EPDM Rubber High Elasticity, According To The Formula, The Elastic Can Reach 80% Of The Maximum

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1. Description of Rubber:

Natural rubber is a kind of polyisoprene as the main component of natural high molecular compound, its composition in 91% ~ 94% is the rubber hydrocarbon(polyisoprene), the protein, fatty acid, carbohydrate, ash and other non rubber substance. Natural rubber is the most widely used general rubber..


2. Main features of Oil Seal:

1) High Elasticity, According To The Formula, The Elastic Can Reach 80% Of The Maximum.

2) high elongation, the maximum can reach more than 1000%.

3) the elastic modulus and the shear modulus is low, than some rigid substances such as iron and steel and other low much.

4) cold resistant, the glass transition temperature of minus 72 degrees..


3. Rubber Images:

 EPDM Rubber High Elasticity, According To The Formula, The Elastic Can Reach 80% Of The Maximum


4. Rubber Application:

Rubber elasticity, good insulation, impermeability and plasticity characteristics of natural rubber, and through the mix after appropriate treatment also has oil resistance, acid and alkali resistance, heat resistance, cold resistance, pressure resistance, wear resistance and other properties, therefore, has the widespread use, mainly used for automobile, machinery, industrial etc. industry as a shock, sealing parts.

5. FAQ

We have organized several common questions for our clientsmay help you sincerely 

How about your company

A world class manufacturer & supplier of Rubber is one of the large scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirement.

How to guarantee the quality of the products

We have established the international advanced quality management system every link from raw material to final product we have strict quality test; We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


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Q:What happens when the rubber material is heated? Is it hardened or cracked?
Rubber is an elastomer that does not harden and crackBut long time more than the rubber material of the specified temperature will appear aging hardening crack
Q:Rubber, nylon, chemical raw materials are divided into several categories?What kind of material is the automobile tyre?
In the tire, skeleton material accounts for about 10%~15% of the whole tire weight, it bears the load of the tire, and is subjected to the periodic stress and deformation during the driving process. It is one of the main raw materials of the tire industry. At the same time, the improvement and development of the skeleton material and the improvement of the performance affect the improvement of the tire performance and the development of the structure.
Q:What kind of material does the sole of mountaineering shoe use?
PU:Polyurethane abbreviation, Chinese name for polyurethane, referred to as polyurethane, polymer polyurethane synthetic materials. With simple modifications, different density, elasticity, rigidity and other physical properties can be obtained. At present, a large number of glass fiber insulation materials, wood, traditional rubber products and so on.Advantages: high hardness, wear resistance, good elasticity, comfortable to wear light; oxidation resistance, flexing resistance, not easy to wrinkle, chemical resistance, excellent damping; skid resistance; good heat resistance; corrosive environment.Disadvantages: strong water absorption, easy yellowing, easy fracture, poor elongation, no water resistance, easy rotting at the bottom, poor ventilation.3.EVA: vinyl acetate copolymer, high polymer material.The utility model has the advantages of portability, good elasticity, good flexibility, uneasy wrinkle, excellent coloring, suitable for various climates, and low cost.Disadvantages: easy to absorb water, easy to dirty, skid resistance is extremely poor, after the soles of the water stained, just like wearing a roller skates.
Q:What is the quantity of fluorine rubber? What is the price of fluorine rubber?
Fluorine rubber FKM has high temperature resistance, oil resistance and a variety of chemical resistance characteristics, is the modern aviation, missiles, rockets, aerospace and other cutting-edge science and technology indispensable material. In recent years, with the continuous improvement of the reliability and safety requirements of the automotive industry, the use of fluorine rubber in automobiles has also increased rapidly. Fluoro rubber FKM is a synthetic polymer elastomer with fluorine atoms on the carbon atoms of the main chain or side chain. The copolymer of fluorine rubber FKM first poly fluoro -2- -1.3- butadiene America DuPont company produced and styrene and propylene, but the performance is not better than chloroprene rubber, chloroprene rubber is outstanding, and the price is expensive, not the actual industrial value. In the late 50s, the United States Thiokol company developed a low temperature good, strong oxidizing agent two yuan nitroso fluorine rubber, fluorine rubber began to enter the actual industrial application.
Q:What kind of material is HYPALON?
Chlorinated elastomer Hypalon (CSM)When exposed to high temperature oxidizing chemicals, Hypalon exhibits its true strength. It is anti bend cracking, abrasion resistance, weather resistance and resistance to ozone, UV/, heat resistance, chemical resistance. It is easy to dye and has a stable color and low water absorption, making it widely used as sheath and insulating layer of wire and cable, roof waterproof layer, automobile and industrial hose and synchronous generator. Equally important, Hypalon shows a long life in a harsh environment, as seen from the life of the drinking water, the lining of the sump and other containers, and the life of the active cover.
Q:The name of several materials, such as rubber (RB), that are commonly used to make soles. Features and how to identify
EVA sole material is: EVA (plasticized particle), filling agent, complexing agent and so on. Using the principle of foaming, the soles look like foam, very light, and also very good to distinguish.
Q:What are the insulation materials for wires and cables?
[low density polyethylene (LDPE), density (HDPE), high density (HDPE) and linear low density (LLDPE), polyvinyl chloride (PVC)], [crosslinked polyethylene material, peroxide crosslinking of silane crosslinked material, radiation crosslinking material] (XLPE), crosslinked polyvinyl chloride (XLPVC), low smoke halogen-free polyolefin (DWPJ), low smoke and low halogen polyolefin (DDPJ), polypropylene (PP), polytetrafluoroethylene (PTFE/F-4), fluorinated ethylene propylene (FEP/F-46), polyamide (PA6), polyimide (PI) etc.;
Q:What are the functional differences between plastic and rubber?
General characteristics of plastic raw materials (LC plastic raw materials wholesale, high temperature resistant plastic materials, PPS, LCP, PET, PA, PES plastic raw material suppliers):1) the plastic material is heated and compressed, and the coefficient of linear expansion is much larger than that of metal;2) the stiffness of a general plastic material is one order lower than that of the metal;3) the mechanical properties of plastic raw materials will decrease obviously when heated for a long time;4) the general plastic material is temporarily subjected to stress at normal temperature and below its yield strength, and permanent deformation occurs;5) plastic raw materials wholesale, sensitive to notch damage;6) the mechanical properties of plastic raw materials are usually much lower than those of metals, but some composite materials have higher specific strength and specific modulus than metals. If the products are properly designed, they will be more effective;7) the mechanical properties of reinforced plastic raw materials are various;8) some plastic materials absorb moisture and cause changes in size and properties;9) some plastics are flammable.
Q:Is EVA material good for sole or good for rubber?Which is more wearable?
Rubber: for all kinds of sports shoes outsole; advantages: good abrasion resistance, anti slip, flexible, easy to break, good softness, good stability, extended shrinkage, good hardness and good bendability. Disadvantages: heavy weight, easy frosting (which is the quality problem, not easy to corrosion (environmental) problem)
Q:Hot melt Ding Ji sealant for insulating glass has a foul odor of rubber. Is this the result of recycled Ding Ji rubber used in raw materials?
Hollow glass is a hollow glass first butyl rubber sealant with a polyisobutylene rubber as the base material of one component, solvent free, no fog, no cure, with permanent plastic. The most important role is adhesion, and because of its extremely low moisture transmission rate, the hot melt butyl sealant can form an excellent moisture resistance system with elastomeric sealants.

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