SWKS Seal, with over 10 years experience, is one of the leading oem stype nbr rubber diaphragm manufacturers and suppliers in China. And we also offer the customized service catering to your special requirement. Please be free to buy the rubber products with competitive price from us.
Features of Rubber diaphragm
1) The cups in the master cylinder and the wheel cylinder must have certain elasticity and compression deformation and wear resistance to ensure that the cup has a certain returning capacity and sealing ability to transmit hydraulic pressure during use.
2) At high temperature (100~120°C and low temperature (-30~50°C), the hydraulic medium resistance is good. The cup is in contact with the brake fluid for a long time in the brake seal device, so it is required to brake fluid ( Synthetic liquid, mineral oil) has good anti-swelling properties and does not allow leakage at high temperature, low temperature and static room temperature.
we can do all size OEM products according to customer's request.

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