Ningbo Robon Sealing CO.,LTD is a famous rubber products manufacturer in Ningbo. We produce various rubber products: rubber seal, rubber o ring , ED ring, o ring cord, rubber flat washer, special parts and other rubber products.
The main material we used are NBR, EPDM, VITON, AFLAS, CR, Butyl, HNBR, SILICON, FFKM, PU or approved by FDA, NSF, WRAS etc. We have the most advanced vulkameter, hardness tester, projectors, image instrument, tensile testing machine, and other professional testing equipments.
Limitations: Generally, low abrasion and tear resistance, and high friction characteristics preclude silicones from effectively sealing some dynamic applications. Silicones are also highly permeable to gases and are generally not recommended for exposure to ketones (MEK,acetone) or concentrated acids.
Description: Combining high temperature resistance with outstanding chemical resistance, Fluorocarbon-based compounds approach the ideal for a universal O-ring material.
Description: A copolymer of ethylene and propylene (EPR), combined with a third comonomer adiene(EPDM), Ethylene Propylene has gained wide seal industry acceptance for its excellent ozone and chemical resistance characteristics.