Rubber [1] xiang jiāo

English translation: rubber

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Type

Divided by raw material of rubber natural rubber and synthetic rubber. Divided into blocks according to shape raw rubber, latex, liquid rubber and powder

   

Rubber

The end of rubber. Colloidal latex of rubber-like aqueous dispersion; liquid rubber to rubber oligomers, before curing is generally not viscous liquid; powder latex rubber is processed into powder form to facilitate the production of ingredients and processing. Development of the 20th century, 60 years of thermoplastic rubber, no chemical curing, and processing methods used thermoplastic forming. By the use of rubber is divided into two types of general purpose and special type.

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Rubber formula

Formula

Rubber with different ingredients should be appropriate, the basic formula, as follows;

Rubber Lord Rubber antioxidant zinc oxide stearic ester sulfur accelerator carbon black carbon black surface area magnesium oxide

   

Rubber

Research is very important,

1. NR (NR) 100 5 2 (PBN 1) (DM 1) 2.5

2 SBR (styrene butadiene resin) 100 3 1 (NS 1) 1.75 (furnace 50)

3. CR (CR) 100 5 0.5 (D2) (NA-22 0.35) (SRF29) 4

4. IIR (butyl) 100 5 3 TMTD 1 1.75 (HAF50)

5. NBR (Nitrile) 100 5 1 DM 1 1.5 (Gas 40)

6. BR (BR) 10032 (103 oil 15) NS0.9 1.5 (HAF60)

7. IR (isoamyl) 100 5 2 NS0.7 2.25 (HAF35)

8. EPDM (ethylene propylene diene monomer) 10051 (naphthenic oil 15) M0.5TMTD1.5 1.5 (HAF50)

9. CSM (chlorosulfonated polyethylene) 100 Black SRK40 white oxide of lead magnesium 4DPPT2 pentaerythritol 25DM0.5DPPT 2 3

10. CIIR (chlorobutyl) 100 3 1 DM2TMTD1 (HAF50) 2

11. PSR (polysulfide) 100 10 0.5 DM0.3DPD0.1 (SRK60)

12. ACM (acrylate) 100 FEF60 RD1 anti-stearoyl ester potassium sodium stearate 1.75 0.75 0.25 Sulfur

13. PUR (polyurethane) 100 Coumarone 15M1 DM4 Caytur4 0.35 Sulfur 0.7 Accelerator

   

Rubber

5 stearic acid cadmium 0.5HAF30

14. CO (epichlorohydrin) 100 Stearate 1.5 Lead 2 FEF30 red lead antioxidant NBC2 accelerator NA-22 1.2

15. FKM (Viton) 100 in the splitting sub-thermal cracking of carbon points ((MT) 20 MgO 15 curing agent Diak3 * 3.0.

16. Q (silicone rubber) 100 curing agent BOP, gas, structural control agents.

Promote the exchange between agents

DM 1 == "CZ 0.5-0.61

DM 1 == "M 0.52-0.8

DM 1 == "NOBS 0.63-0.69

DM 1 == "TMTD 0.08-0.10

NOBS 1 == "DM 1.43-1.6

NOBS 1 == "TMTD 0.1

NOBS 1 == "M 0.7-0.75

CZ 1 == "NOBS 1.2-1.3

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Raw rubber

Categories

Into natural rubber and synthetic rubber, rubber. Natural rubber from Hevea mainly, when the skin of this rubber tree is cut, it will out of the milky sap, called latex, latex by the pool, washing, forming, drying derived natural rubber.

   

Rubber Products

Synthetic rubber is prepared synthetic methods, using different raw materials (monomers) can be synthesized by different types of rubber. Chemist in 1900 to 1910 CD Harris (Harris) determined the structure of natural rubber polymer of isoprene, which was opened the way for synthetic rubber. Russian chemist in 1910, SV Lebedev (Lebedev ,1874-1934) as the initiator of sodium metal to 1,3 - butadiene rubber Chengding sodium, and later has been found in many new varieties of synthetic rubber such as cis polybutadiene rubber, chloroprene rubber, styrene butadiene rubber and so on. Synthetic rubber production has greatly exceeds the natural rubber, styrene butadiene rubber which is the largest output.

General Rubber

Is the partial or total use of natural rubber instead of plastic types, such as styrene butadiene rubber, butadiene rubber, isoprene rubber, mainly used in the manufacture of tires and general rubber products. General rubber demand is the main varieties of synthetic rubber.

SBR

SBR [1] is a copolymer of butadiene and styrene obtained is most common synthetic rubber production, there is milk SBR, SSBR and thermoplastic rubber (SBS).

BR

Butadiene obtained by solution polymerization, the polybutadiene rubber has exceptionally good cold resistance, wear resistance and elastic

   

Rubber tires

Nature, but also has good resistance to aging. Most used in the production of butadiene rubber tires, a small number of products for the manufacture of cold, buffer materials and tape, shoes and so on. The disadvantage is butadiene rubber cross tear resistance, wet skid resistance is not good.

Isoprene rubber

Isoprene rubber, polyisoprene rubber is referred to, by solution polymerization production. Isoprene rubber and natural rubber as good flexibility and abrasion resistance, excellent heat resistance and good chemical stability. Isoprene rubber raw rubber (raw ago) was significantly lower than that of natural rubber, but the quality uniformity and processing performance, etc. is better than natural rubber. Isoprene rubber can be used instead of natural rubber truck tires and off-road tires can also be used to produce various rubber products.

EPDM

Ethylene-propylene rubber, ethylene and propylene as the raw materials, anti-aging, electrical insulation properties and outstanding ozone resistance. EPDM can be filled and filled a lot of carbon black products, lower prices, ethylene-propylene rubber, chemical stability, wear resistance, flexibility, oil resistance, and styrene butadiene rubber close. The use of EPDM is very wide as the tire sidewall, seals and inner tubes and car parts, but also can be used for wire, cable sheathing and high-pressure, high pressure insulating material. Also manufacture shoes, hygiene products and other light products.

Neoprene

It is the main raw material for chloroprene by homopolymerization or copolymerization of small amounts of other monomers. Such as high tensile

   

Rubber Products

, Heat, light, good aging resistance, oil resistance are better than natural rubber, styrene butadiene rubber, polybutadiene rubber. Has a strong anti-flame resistance and excellent extension of flammable, and its high chemical stability, good water resistance. The disadvantage is the neoprene insulation properties, cold resistance is poor, raw rubber in storage instability. Neoprene wide range of uses, such as the transport belt and used to make belts, wires, cable wrapping materials, manufacturing, oil hoses, gaskets, and chemical resistant lining equipment.

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Rubber

Rubber (Rubber): a reversible high-elastic deformation of polymer materials. Elastic at room temperature, in a small external force can produce large deformation after removal of external force to restore the status quo. Rubber polymers are completely amorphous, glass transition temperature of its (T g) of low molecular weight is often much greater than the hundreds of thousands.

The word comes from the Indian language of rubber cau-uchu, meaning "tree of tears." Natural rubber is Hevea tapping by the flow of latex through coagulation time, dried and prepared. 1770, British chemist J. Priestley found that rubber can be used to wipe away the pencil writing was to use materials such as rubber, the word still in use. Rubber molecular chain can be cross-linked, crosslinked rubber deformed by external force, with the ability to recover quickly, and has good mechanical properties and chemical stability. Rubber is rubber industry's basic raw material, widely used in the manufacture of tires, hose, belt, cable and other rubber products.

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Rubber aging

Rubber and its products in the processing, storage and use, due to a combination of internal and external factors caused by physical and chemical properties of rubber and the gradual deterioration of mechanical properties, and finally the loss of use value, this change is called the rubber aging.

Showed cracks on the surface, sticky, hardening, softening, chalking, discoloration, mildew and so on.

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Rubber aging factor

Oxygen

a) oxygen and oxygen in the rubber in the rubber molecules with the free radical chain reaction, the molecular chain fracture or excessive cross-linking, causing changes in properties of rubber. Oxidation is a major reason for the aging of rubber.

Ozone

B ozone, the chemical activity of oxygen is much higher, more damaging, it also is to make the molecular chain was broken, but the effect of ozone on rubber, whether or not the situation varies with the deformation of rubber. As for the deformation of rubber (mostly unsaturated rubber), the appearance and the direction of straight stress cracks, the so-called "ozone cracking"; role in the deformation of the rubber, only the oxide film formed on the surface without cracking.

Heat

C) Heat: increase in temperature can cause thermal cracking of rubber or a thermo-crosslinking. However, the fundamental role of heat or the activation. Enhance oxygen diffusion and activation of oxidation rate and thus accelerate the oxidation rate of rubber, which is a common aging phenomenon - thermal aging.

Light

D) light: light is shorter, the greater the energy. Destructive effect on the rubber is from higher energy ultraviolet light. In addition to UV directly caused the fracture of rubber molecular chain and crosslinking, the rubber due to absorption of light energy generated free radicals, trigger and accelerate the oxidation chain reaction. The external light plays a heating role. Another characteristic of the role of the director of light (and heat effect of different) is that it mainly in the rubber surface into the students. Samples with high adhesive, two network cracks appear, the so-called "light outer crack."

Mechanical stress

E) mechanical stress: role of mechanical stress repeatedly, will generate strand breaks free Tsuen rubber molecules, causing oxidative chain reaction, the formation of mechanochemical process. Machinery and mechanical activation of the molecular chain breaking oxidation process. How could an advantage, depending on its geographical conditions. In addition, under stress caused by ozone cracking easily.

Water

F) water: the role of water has two aspects: rubber rain or soaking in the humid air in the water, easy to destroy, this is the rubber water-soluble substances and hydrophilic groups, and other elements dissolved by water extraction, hydrolysis, or absorption causes. Particularly in water immersion and atmospheric exposure alternation, will accelerate the destruction of rubber. However, in some cases the water can not afford damaging effects on the rubber, and even slow down the aging effect.

Oil

G) rubber products in the course of long-term exposure if the media and the oil, oil can penetrate into the interior of rubber to produce swelling, resulting in rubber strength and other mechanical performance. Oil makes rubber swelling occurs, because the oil into rubber, the resulting molecular interdiffusion, the vulcanized rubber network structure changes.

Other factors

H) Other: the role of factors include the rubber chemical medium, variation of metal ions, high-energy radiation, electricity, and biology.

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Structure

Linear structure: the general structure of unvulcanized rubber. As a large molecular weight, no external force, was thin dough. When the external force, removal force, small groups of entanglement changes, the molecular chain of a rebound occurs, resulting in a strong tendency to recover, this is the origin of highly elastic rubber.

Branched-chain structure: the side chain of rubber macromolecular chains aggregate to form a gel. Gel on the performance of rubber and processing all negative. When the mixing of various ingredients are often not enter the gel zone, the formation of local blank form can not be reinforced and cross-linking, a product of the weak parts.

Cross-linked structure: linear molecules through a number of bridging atoms or groups of atoms connected to each other to form a three-dimensional network structure. As the curing process progresses, continue to strengthen this structure. This segment of the free reduced ability to decrease plasticity and elongation, strength, elasticity and hardness increase, compression and swelling decreased.

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Use

Different source-to-use and application characteristics of rubber

Type of rubber with good comprehensive properties and widely used. Are: ① natural rubber. Latex from Hevea obtained, the basic chemical composition of cis - polyisoprene. Good elasticity, high strength, good overall performance. ② isoprene rubber. Full name of the cis 1,4 - polyisoprene rubber, isoprene obtained by the high-cis-synthetic rubber, because of its structure and properties similar to natural rubber, it is also known as synthetic natural rubber. ③ SBR. Referred to as the SBR, the obtained copolymer of butadiene and styrene. Divided according to production methods and solution polymerization styrene-butadiene rubber emulsion styrene butadiene rubber. Its overall performance and chemical stability. ④ butadiene rubber. Full name is cis 1,4 - polybutadiene rubber, referred to as BR, obtained by the polymerization of butadiene. Compared with other general-purpose rubber, polybutadiene rubber after curing the cold, exceptionally good abrasion resistance and flexibility, dynamic load, less heat, anti-aging performance, easy and natural rubber, neoprene rubber, nitrile rubber and used .

Special type of rubber of different sources and application characteristics

Special type rubber that has some special properties of the rubber. Are: ① neoprene. Short CR, obtained by the polymerization of chloroprene. Has a good overall performance, oil, fire, resist oxidation and ozone. But its high density, easy to crystallize at room temperature hardening, storage is bad, bad cold. ② nitrile rubber. Referred to as the NBR, the butadiene and acrylonitrile copolymer obtained. Oil, anti-aging properties, and can be at 120 ℃ 150 ℃ in air or oil in the long-term use. In addition, it also has water resistance, air tightness and excellent bonding properties. ③ silicone rubber. Main chain composed of alternating silicon and oxygen atoms in the silicon atoms with organic groups. High temperature resistance, ozone resistance, electrical insulation. ④ fluorine rubber. Containing fluorine atoms in the molecular structure of synthetic rubber. Usually fluorinated copolymer unit, said the number of fluorine atoms, such as fluorine rubber, 23, is a vinylidene fluoride copolymers with chlorotrifluoroethylene. Viton high temperature, oil resistance, chemical corrosion. ⑤ polysulfide rubber. By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation. Has excellent oil and solvent resistance, but the intensity is not high, anti-aging, processing is bad, smell, and used more with nitrile rubber. In addition, polyurethane rubber, epichlorohydrin rubber, acrylic rubber.

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Rubber Processing

This process includes plastic refining, mixing, rolling or extrusion, molding and curing, and other basic processes, each process has different requirements for the products were in line with the number of auxiliary operations. To be able to add all the necessary ingredients in rubber, raw rubber first need to improve their plasticity after plasticating; then mixing the carbon black and rubber chemicals and synthetic rubber materials rubber evenly mixed; plastic material through the pressure a blank made of a certain shape; then linked it with glue or adhesive through the calendar of textile material (or metal) together forming the semi-finished products; the final after the semi-sulfide in turn has made of flexible plastic end-products .

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The specifications of natural rubber by

Natural rubber can be divided into standard plastic (also known as plastic particles), smoke film, stacking gel, white crepe film, light film, clear plastic film such as rubber and dried, the most commonly used is the standard plastic and smoke film. Standard plastic into a (SCR5), two (SCR10), three (SCR20), four (SCR50) four grades, into plastic cigarette smoke 1 to 5 film (RSS1 ~ RSS5) five levels.

Standard rubber: standard rubber adhesive is divided into 5, 10, 20, rubber plastic and rubber as an adhesive No. .5, is the best adhesive, which contains impurities is 0.05%; 10 for the two adhesive glue, 0.10% of its impurities; 20 plastic three-tier glue, which contains impurities of 0.20%. use of different types of plastic are not the same: No. 5 plastic normally used to produce tires; 10, and 20 plastic glue generally used to produce tires tire.

Smoked sheets: the burning of coconut shells with smoke and heat that occurred on the natural water pressure to the film from the film after the BBQ. The purpose is to make smoke film drying and oxidation and corrosion of cresol into the material. Smoked sheets of natural rubber in primary forms are

Stacking gel: can be used for bonding materials.

Crepes:

Special a thin film of white crepe

The goods must be very white and uniform color, dry, solid rubber.

Does not allow the discoloration caused by any reason, acid odor, dust, debris point, gravel or other foreign matter, oil or other stains, oxidation, or signs of overheating.

A thin film of white crepe

The goods must be the color white, dry, solid rubber. Allowed to have a very slight difference in color depth.

Does not allow the discoloration caused by any reason, acid odor, dust, debris point, gravel or other foreign matter, oil or other stains, oxidation, or signs of overheating.

Special a thin film light-colored crepe

The goods must be very shallow and uniform color, dry, solid rubber.

Does not allow the discoloration caused by any reason, acid odor, dust, debris point, gravel or other foreign matter, oil or other stains, oxidation, or signs of overheating.

A thin film light-colored crepe

The goods must be pale in color, dry, solid rubber. Allowed to have a very slight difference in color depth.

Does not allow the discoloration caused by any reason, acid odor, dust, debris point, gravel or other foreign matter, oil or other stains, oxidation, or signs of overheating.

Two thin light crepes

The goods must be dry, solid rubber. Color slightly darker than a thin light crepes. Allow a slight difference in color depth.

The extent allowed as shown in the sample with a stain and streak of rubber. However, the plastic package has been tested, the number of such plastic bag plastic bag must not exceed the number of test 10%.

Can be permitted in addition to the above, but does not allow the discoloration caused by any reason, dust, debris point, gravel or other foreign matter, oil or other stains, oxidation, or signs of overheating.

Three light-colored crepe thin film

The goods must be the color yellow, dry, solid rubber. Different shades of color are allowed.

The extent allowed as shown in the sample with a stain and streak of rubber. However, the plastic package has been tested, the number of such plastic bag plastic bag must not exceed the number of test 20%.

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Regular use of rubber out the advantages and disadvantages

Natural rubber NR

(Natural Rubber) latex collected from rubber trees, is a polymer of isoprene. Has good wear resistance, high elasticity, tensile strength and elongation. In the air, easy to aging, heat change viscosity, mineral oil or gasoline in the easy expansion and dissolution, acid alkali, but impatience. advantages: good elasticity, acid and alkali. Cons: no weather, no oil (which can be resistant to vegetable oil) is to produce a tape, hose, rubber raw materials, and applies to the production of shock absorber parts, in automotive brake fluid, ethanol and other liquid with a hydroxyl in the use of products.

SBR SBR

(Styrene Butadiene Copolymer) and styrene butadiene copolymers, compared with natural rubber, the quality of uniform, small foreign body, with better wear resistance and resistance to aging, but the mechanical strength is weak, can be mixed with natural rubber combination. Advantages: low cost non-oil resistant material, good water resistance, hardness below 70 with good elasticity, high hardness, with less compression time, Disadvantages: does not recommend the use of strong acid, ozone, oils, greases and fats and large Among some of the hydrocarbons. Widely used in the tire industry, footwear, cloth and conveyor industries.

Butyl rubber IIR

(Butyl Rubber) for the polymerization of isobutylene and a small amount of isoprene, methyl steric hindrance due to the movement of molecules less than other polymers, so the gas permeability of less heat, sunlight, ozone resistance to large, good electrical insulation; of polar agents against a large volume, the general temperature range is -54-110 ℃. Benefits: For the majority of a general gas impermeable, the sun and with good resistance to ozone may be exposed to animal or vegetable oil or chemicals could be in the gasification. Disadvantages: not recommended and petroleum solvents, kerosene and aromatic hydrogen glue be used for car tires inner tubes, bags, rubber paste paper, window frames, rubber, steam hoses, heat resistant conveyor belt, etc.

Hydrogenated NBR HNBR

(Hydrogenate Nitrile) hydrogenation of NBR to NBR in part by the removal of double-stranded after hydrogenation, by hydrogenation, after its temperature resistance, weather resistance than NBR improve a lot, oil and general NBR similar. General temperature range -25 ~ 150 ℃. Advantages: better than the NBR has abrasion resistance, with excellent corrosion resistance, tensile, tear and compression resistance properties

In the ozone and other atmospheric conditions with good resistance to general laundry or washing dishes for cleaning agent. Disadvantages: not recommended for use in alcohols, esters or aromatic solution into air conditioning and refrigeration industry, is widely used in environmentally friendly refrigerant R134a system seals.

Automobile engine system seals.

EPDM ethylene-propylene rubber

Ethylene-propylene rubber EPDM (Ethylene propylene Rubber) by the total of ethylene and propylene polymerization, the heat resistance, aging resistance, ozone resistance, stability are very good, but not sulfur, and sulfur. To solve this problem, EP have to import a small amount of the main chain of the third component which can be double-stranded and sulfur Serve EPDM, the general temperature is -50 ~ 150 ℃. of polar solvents such as alcohols, ketones and other resistance excellent advantages: a good climate of anti- and ozone resistance, with excellent water resistance and resistance of the word, can make use of alcohols and ketones, high temperature steam, the gas is not a good permeability. Disadvantages: Not recommended for food use or being exposed to aromatic hydrogen. High-temperature water vapor environment sanitary equipment seals or seal parts. Brake (brake) system rubber parts. Radiator (auto water tank) in the seals.

NBR NBR

(Nitrile Rubber) made by the copolymerization of acrylonitrile and butadiene, acrylonitrile content of from 18% to 50%, the higher the acrylonitrile content of fossil fuel the better resistance to hydrocarbon fuel oil, but the low temperature performance is variable poor, the general temperature range is -25 ~ 100 ℃. NBR for the current O-ring seals and rubber one of the most common advantages: a good anti-oil, water resistant, and anti-anti-solvent properties of high-pressure oil

With good compression, wear and elongation force.

Cons: not suitable for polar solvents into, for example, ketones, ozone, nitro hydrocarbons, MEK and chloroform.? For the production of the fuel tank, oil tank and hydraulic oil in the oil lines, gasoline, water, silicone oil, Department ester fluids used in oil and other rubber parts, especially the sealing parts. can be said is the most widely used and lowest cost rubber seals

Neoprene CR

(Neoprene, Polychloroprene) formed by the chlorine-butene monomers. Vulcanized rubber elastic wear resistance, and are not afraid of direct sunlight, there are particularly good weather resistance, not afraid of the intense distortion, not afraid of refrigerant resistance, thin acid ester series resistance of silicon oil, but the Department of impatience phosphate hydraulic oil. easy to crystallize at low temperature, hardening, storage stability is poor, the aniline point mineral oil in the expansion of low volume. the general temperature range is -50 ~ 150 ℃. Pros: good and with good elastic deformation, the formula does not contain sulfur, so it is easy to make. with the characteristics of resistance to animal and vegetable oils, will not be neutral chemicals, fats, oils, a variety of oil, solvent affect the properties, characteristics of a flame

Disadvantages: does not recommend the use of strong acid, nitro hydrocarbons, esters, ketones, chloroform and the chemical resistance R12 refrigerant among seals, household appliances on the rubber parts or seals. Suitable for the production of direct contact with the atmosphere, sunlight, ozone components. Applicable to all kinds of fire, chemical corrosion resistant rubber products.

Composition of synthetic rubber

Synthetic rubber is oil and natural gas as raw materials and olefin diene monomer polymerization of the polymer.

Polymer rubber has broken through the monomer polymerization process, the world's leading rubber factories have begun to use more strength rubber, made with ultra-high molecular aggregation, and cost quite low.

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Rubber adhesive repair

The greater the polarity of rubber, the better bonding. One polar nitrile neoprene, bonding strength; natural rubber, silicone rubber, and small polar isobutylene rubber, bonding weak. Also rubber surface tend to have mold release agents or other additives to free impede bonding effect.

Adhesive bonding of rubber, the specific method is divided into hot and cold sticky sticky Act law.

Hot stick method is to use plastic mixing the raw rubber and unvulcanized rubber are glued together to achieve adhesive after curing, the method of complex and require heat and pressure equipment, the use of inconvenience.

Method is to stick with the cold a good adhesive, applied to the surface to be glued products, dry home composite after curing at room temperature. Of course, the appropriate heating is conducive to reduce the curing time and increase the bonding strength. Cold viscosity method is simple, and saves energy, is worth a good way to promote.

Different types of rubber products, adhesives used are different, should be selected, not free to use.

(1) bonding of natural rubber

Natural rubber is the rubber trees out of the glue, the processing from the elastic solid-like, natural polymers is not saturated. Natural rubber with methanol, toluene, isopropyl alcohol and other degreasing, wood file, emery cloth to fight hair. For the high bonding strength required for chemical treatment, which was soaked with the sticky surface of concentrated sulfuric acid 2 ~ 10min. Before the bonding, and then bent folded several times, so many tiny surface cracks, is conducive to bonding. The adhesive: BD801 rubber adhesive, BD817 elastic adhesive, BD818 high-strength elastic bonding agent.

(2), chloroprene rubber bonding

Metal oxide vulcanization of the chloroprene rubber-made anti-aging products, such as cable blanket, pillow tracks, conveyor belts; heat-resistant products such as hose; oil products, such as rubber mats, rubber roll.

Chloroprene rubber products with toluene, methanol, isopropanol and other degreasing, use emery cloth, wood file, wire brush to fight coarse hair, and if chemical treatment, can be soaked in concentrated sulfuric acid at room temperature to deal with 3 ~ 30rain, washed and dry. The adhesive: BD817 elastic adhesive, BD818 high-strength elastic adhesive, BD819 flexible high temperature adhesive, BD801 rubber adhesive, BD802 high-strength rubber adhesive, BD803 high temperature rubber adhesive.

(3), nitrile rubber adhesive

NBR has good comprehensive mechanical properties, can produce oil and heat resistant tape, hose, rubber sheet and other products. Nitrile rubber fat with methanol using rasps, emery cloth or wire brush such as playing coarse hair can be chemically treated. The adhesive: BD817 elastic adhesive, BD818 high-strength elastic adhesive, BD819 flexible high temperature adhesive, BD801 rubber adhesive, BD802 high-strength rubber adhesive, BD803 high temperature rubber adhesive.

(4) foam rubber bonding

Commonly known as foam rubber sponge, with insulation, vibration, noise, insulation and other functions, for the production of doors and windows sealed, anti-vibration pads and so on. In bonding, the need for special handling, remove dust and dirt as long as sufficient. The adhesive: BD817 flexible bonding agent, BD818 flexible high-strength adhesive.

(5) Rubber bonding with other materials

In daily life and industrial production of rubber and other materials often encountered in each case of bonding.

1) Rubber to metal bonding

Rubber and metal bonding, metal and rubber is the most effective way connected. Can play metal on rubber reinforcement, the role of skeleton; rubber is the metal with wear, vibration, shock, corrosion, insulation, sealing and other functions, the result is combined rigid-flexible, robust both.

Cold natural rubber and metal bonding, first skim, playing hair, then skim, or even go for chemical processing. BD817 elastic adhesive, BD818 high-strength elastic adhesive, BD819 flexible high temperature adhesive, BD801 rubber adhesive, BD802 high-strength rubber adhesive, BD803 high temperature rubber adhesive.

Nitrile rubber and metal bonding, first skim; and metal polish with emery cloth; rubber wheel to play with hair. Adhesives are used: BD817 elastic adhesive, BD818 high-strength elastic adhesive, BD819 flexible high temperature adhesive, BD801 rubber adhesive, BD802 high-strength rubber adhesive, BD803 high temperature rubber adhesive.

2) bonding rubber and glass

Rubber first with methanol, isopropyl alcohol degreasing, wood filing, grinding fight hair, wipe the glass with acetone, the coated mass fraction of a 550 KJ 1% ethanol solution, air dry. The Adhesives: BD817 elastic adhesive , BD818 high-strength elastic adhesive, BD819 flexible high temperature adhesive, BD801 rubber adhesive.

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