Xu Xinhua tell seal NBR quality case

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2016-09-19 17:53:53: 　
Xu Xinhua tell seal NBR quality case

Rubber in industrial applications are widely used. With the continuous development of rubber oil (oil) varieties to improve oil (liquid) performance of a variety of anti-wear and extreme pressure additives, metal deactivators, demulsifiers and anti-foam additives, etc. Xu Xinhua rubber seals Effect of the seal material need be verified by experiment.

Xinhua Xu Seals Nitrile rubber is a copolymer of butadiene and acrylonitrile prepared a synthetic rubber. Nitrile rubber resistant to most oils, especially paraffin oil resistant.

Two types of oils, paraffin oils and aromatic oil, paraffin oil refers to the molecular structure of a chain of aromatic oil refers to oil and other molecular chain containing benzene ring structure, a common gasoline, oil, diesel oil, peanut oil and soybean oil are all paraffin oil; coal tar and pine tar and the like belong to the aromatic oil.

Xinhua Xu nitrile rubber seals rubber seals do not apply to polar solvents being, such as ketones, ozone, nitro hydrocarbons, MEK and chloroform. General temperature range of -40 ~ 120 ?. From material to material, the use of static pressure is less than 20Mpa. Sometimes for dynamic, dynamic pressure is smaller than 5Mpa, semiconductor and vacuum sealing.
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