Natural Rubber high elongation, cold resistant, the elastic modulus and the shear modulus is low

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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:

Natural Rubber high elongation, cold resistant,  the elastic modulus and the shear modulus is low

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:Rubber, nylon, chemical raw materials are divided into several categories?What kind of material is the automobile tyre?
The skeleton material is the reinforcing material of the main force part of tire, carcass and buffer layer (band layer), and its performance has important influence on the mechanical properties and service life of the tire.
Q:What are the seal materials? What's the difference between silicone seals, EVA seals and rubber seals? Seek reply
There are many seal materials. These seals are suitable for making doll seals. Silicone seals and rubber seals look almost the same
Q:What is the material needed for the production of RTV silicone rubber 107?
The vulcanizing agent is certainly required products, specifically what kind of vulcanized silicone rubber production, in which the use of products, what are the requirements and standards, to achieve performance, what are these, need to consider to use a combination of what kind of raw material
Q:What material is the line on the rubber court floor? What's the practice?
Full plastic fixationAll the ground brushing. On the plastic floor can be bonded before laying the foundation for the:Humidity: according to the opinion of the adhesive manufacturer, the moisture content of the foundation (weight percentage) shall be less than 3%, and the air shall be circulated in case of weather or foreign moisture, and the surface moisture shall be wiped out in time.Surface hardness: a sharp chisel is used to cut the surface quickly without any traces or grooves.Surface density: the surface shall not be too rough and shall not have too many pores.Crack: must not have width greater than 3mm crack.Surface cleanliness: oil, wax, paint, paint and other residual substances must be removed.Temperature: not less than 15 degrees centigrade. In addition:Horizontal reference shall be maintained.There should be proper sealing at the settlement joint of the building.
Q:Waterproof material, rubber powder is divided into several kinds, as well as in the waterproof materials industry what role?
Waterproof material involves raw materials:Asphalt waterproofing membrane main raw materials are: asphalt, SBS, APAO, oil (oil, three wire oil, rubber powder, recycled propylene, talc and so on.).The main raw material of high polymer waterproofing membrane is some alkene.
Q:Soles of the material, good or bad rubber parts, and some will crack, and some will not
PHYLON (MD): EVA two high-pressure molding products, international running shoes, tennis shoes, basketball shoes at the bottom of the main materials, can also be used for casual shoes outsole. Advantages: light, elastic, fine appearance and good flexibility. Easy to clean, hardness, density, tensile force, tear and elongation. Disadvantages: not easy to corrosion, adverse environmental protection, high temperature wrinkle easily, easy to shrink.(5): TPR to TPR after injection molding hot pellets, used to jog, walk, casual shoes insole, outsole. Advantages: easy molding, cheap price. Disadvantages: heavy material, poor wear (no wear), poor flexibility, poor bending (non bending resistance), poor seismic absorption ability(6) performance comparison: TPR ratio is heavy, heavy, flexible, and generally wear resistance. Rubber outsole is also larger, but softer, very wearable, strong grip, but less flexible, generally used in indoor soccer shoes and casual shoes. EVA bottom is very light, elastic, just wear a long time, reduce the elasticity, become a little more practical. PU, MD at the end of which has elastic deformation, the movement is flexible and comfortable, the proportion of small, very light, so are widely used (better than MD, PU density greater damping effect but also relatively heavy), generally large film with rubber, wear non slip.
Q:PVC material and rubber material. What glue can be glued to firm?
The size of the area are suitable for the available slow dry glue HY-T160 mainly for bonding various hard plastic products such as: sticky polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), ABS, nylon, sponge, foam film, etc.; the organic glass, rubber, metal, wood, bamboo fabric paper has good adhesion, especially for plastic and metal and non-metal materials are glued cross bonding has more originality, is an adhesive material appliance industry, radio industry, decoration, craft toys, insulation materials, packaging and printing industry is the ideal.
Q:What is foaming rubber?
PVC: polyvinyl chloride (PolyVinyl Chloride: PVC) is a polymer that uses a chlorine atom instead of a hydrogen atom in polyethylene. PVC is an amorphous white powder with less degree of branching. The molecular weight of PVC in industrial production is generally in the range of 5~12 million, with great polydispersity, and the molecular weight increases with the decrease of polymerization temperature. Without fixed melting point, 80~85 began to soften at 130 degrees C and became viscoelastic at 160~180. Its tensile strength is about 60MPa, the impact strength is 5~10kJ/m2, and it has excellent dielectric properties.
Q:What are rubber matrix composites and what are their uses?
The popular market, because the carbon fiber can produce high-grade appearance, in the sole, cufflinks, belt buckle, high-grade tobacco packaging, electronic products such as shell areas have also been favored, but less for high-end products.
Q:EVA rubber pet pad, familiar with these materials, rubber materials
PET material is good. Our company will use PET to make some guide sleeve. Good wear resistance, and will be smooth after resistance.

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