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What are the most oil-resistant rubber seals？

Update:2016-06-28

When we choose the seals, we always think about whether it is appropriate to use such machinery and equipment. We will refer to the resistant to temperature, dimension, working condition and related issue, select the applicable seals.

DSH Seals will talk about the rubber seals sealing characteristics and working conditions.

Hydraulic rubber seals

Usually we say natural rubber, natural latex from rubber refers to trees collected, after solidification, drying and other processing steps made of solid substance. Natural rubber is a polyisoprene as a main component in natural polymers, molecular formula (C5H8) n, which hydrocarbon rubber (polyisoprene) content above 90%, also contain small amounts of protein, fatty acids , sugar and ash and the like.

Physical properties of natural rubber. Natural rubber has high elasticity at room temperature, slightly plastic, has very good mechanical strength, low hysteresis loss, when many low heat deformation, so the flex resistance is also very good, and because the non-polar rubber, so that good electrical insulation properties.

Rubber, with plastic, fiber and known as the three synthetic materials, is the only polymer material having a high degree of scalability and excellent elasticity. The rubber is first maximum elastic modulus is very small, and high elongation. Secondly, it has a very good corrosion resistance and permeability to various chemical media and electrical insulation properties. Some more special synthetic rubber with good oil resistance and temperature resistance, resistance to fatty oil, lubricating oil, hydraulic oil, fuel oil and solvent swelling; cold can be as low as -60 ℃ to -80 ℃, the heat can be high to + 180 ℃ to + 350 ℃. Rubber is also resistant to all kinds of bending of the bending deformation, because of the small hysteresis loss. The third characteristic of rubber that it can be used with a variety of materials and blending, compounding, thus modified, in order to get a good overall performance.

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