Fluorine And Silicone Rubber Compound The Elastic Modulus

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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:

 Fluorine And Silicone Rubber Compound  The Elastic Modulus


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 kind of material is the sealing ring on the bearing?
NBR oil resistance of nitrile rubber is the best in the general rubber, nitrile rubber and hydrogenated nitrile rubber with more excellent oil resistance, oil resistance, but if your request is not too harsh words with NBR, HNBR because the price is relatively expensive.
Q:What is the difference between TPU material and silica gel material?
[TPU material and silica gel material distinction] two are insoluble in water and any solvent, non-toxic, tasteless, chemical stability, with higher mechanical strength of new materials. But there is a big difference between the two. The difference is as follows:1, the most obvious difference: TUP material is hard, silicone material is soft;2 、 TPU material is superior to silica gel in abrasion resistance, shock resistance and shock absorption;3, silicone material is soft, poor elasticity, more sticky hands; TUP material is the opposite;4, TUP material aging resistance is stronger than silica gel material;5, silica gel easy greasy, at the same time, material is slightly worse, easy to ash and ash; TPU material cold resistance prominent, oil resistance, water resistance, mildew resistance;6, TUP material is more yellow than silica gel material.
Q:What kind of rubber material can make wipers?
Compared with rubber, nano silica gel has many advantages, such as long service life, no noise, no pollution, good coating effect and so on.
Q:EVA how does the sole skid?
Performance comparison of various soles: TPR ratio of heavy, heavy, flexible in general, 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:Which is better, PVC coil or TPO coil?
PVC waterproof coiled material is mainly composed of PVC resin, adding plasticizer and modified material. It is processed by rolling, extrusion and other main technological processes. It belongs to high polymer material.Material propertyA) aging resistance in general, long service life, high strength, good elasticity, excellent tensile properties, good resistance to high temperature and low temperature.(b) there is a plasticizer in the ingredients; the migration of plasticizer causes the coil to lose its flexibility, ductility and even fracture;The composition contains chlorine, and some harmful gas can be produced when the hot air is welded, so it is built in the closed underground space.
Q:Are synthetic materials organic? Synthetic rubber, right? Natural rubber, isn't it?
No synthetic material, such as SiC. What synthetic rubber is "natural rubber" refers to the rubber synthesized from isoprene analog natural products
Q:Compression permanent deformation of rubber material is not the same concept as dimensional stability
Dimensional stability generally refers to the material under the influence of mechanical force, heat or other external conditions, its shape does not change the size of the performance. More refers to the material after the product itself dimensional stability.
Q:What is the material of the oil seal?
According to the use of the environment to determine material, such as the skeleton of carbon steel, stainless steel, fiber (also known as cloth, rubber), sealing lips are generally seen in NBR, NBR, FKM, fluorine rubber, SIL silicone rubber.
Q:What kind of material does the shockproof rubber cushion usually choose?
Recommend the use of EPDM, its good elasticity, although lower than natural rubber, isoprene rubber and butadiene rubber but its resistance to aging, corrosion resistance, chemical resistance, resistance to high pressure steam performance advantage, so compared to choose EPDM.Shock absorbing rubber used to be the only adhesive for NR in the past. In recent years, in order to meet the requirements of increasing heat resistance and oil resistance of automobiles, IIR, EPDM, NBR and CR have also begun to be used, and even microcellular PU elastomers and TPE thermoplastic elastomers have appeared. In addition, according to automotive requirements, in order to achieve lightweight targets, plastics have begun to replace metal, so-called rubber and plastic shock absorption rubber products.The shore hardness of ethylene propylene rubber vulcanizate is about 25-95A
Q:What are the rubber seals and what is the material difference?
What kind of rubber material to use depends on the working conditions, the environment and other factors. Such as temperature, medium, pressure, dynamic seal or static seal, etc., considering the appropriate material.

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