KCS devotes to R&D rubber relative products for 40 years experience, a Customized Rubber-Parts & Customized Washers Manufacturer

- EPDM Bonded Washer/Master Seal - a simple washer providing leak-proof sealing from water, snow and other fluids. EPDM Bonded Sealing Washers is vulcanized EPDM and bonded with the galvanized steel, aluminum, or stainless steel. Bonded Washer is the best solution for roofing screw connection.

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