... . Dustproof 3. Heat resistant. 4. Weather proof. Rubber parts ,rubber components .custom rubber partsused in auto cycle parts.insulative, sealed, waterproof, restrained oxygen, ... the filter, engine, spot counter, wiring harness, etc, as the rubber parts except tyre.Meet the elongation, rebound resistance and impact ... or telephone or visit our company for negotiation. Customized molded rubber parts