{"id":4167,"date":"2025-06-30T02:17:52","date_gmt":"2025-06-30T09:17:52","guid":{"rendered":"https:\/\/guxiangjs.com\/?post_type=product&p=4167"},"modified":"2025-06-30T02:17:52","modified_gmt":"2025-06-30T09:17:52","slug":"sealing-washer-304-stainless-steel-neoprene-epdm-bonded-neoprene-rubber-washers-gasket","status":"publish","type":"product","link":"https:\/\/guxiangjs.com\/zh\/sealing-washer-304-stainless-steel-neoprene-epdm-bonded-neoprene-rubber-washers-gasket\/","title":{"rendered":"Sealing Washer 304 Stainless Steel Neoprene EPDM Bonded Neoprene Rubber Washers Gasket"},"content":{"rendered":"
    \n
  1. Reliable, Weather-Tight Sealing Performance
    \n\u2022 The washer combines a 304 stainless-steel backing cup with co-molded Neoprene or EPDM elastomer, creating a single, bonded unit that compresses evenly under torque to form a long-life, leak-free gasket.
    \n\u2022 304 stainless provides \u2265 18 % Cr \/ 8 % Ni corrosion resistance, while the elastomer remains pliable from \u221240 \u00b0C to +120 \u00b0C (Neoprene) or \u221250 \u00b0C to +150 \u00b0C (EPDM), shrugging off UV, ozone, salt spray, and mild acids.
    \n\u2022 A raised, concentric sealing ridge on the rubber faces the joint surface; under recommended torque it yields 15\u201325 % compression set, blocking water, oil, and compressed air up to 1.6 MPa without cold-flow or creep.
    \n\u2022 Stainless cup edge rolls over the rubber shoulder, shielding the polymer from mechanical damage and enabling >1 000 h neutral salt-spray endurance with no red rust or galvanic staining.<\/li>\n
  2. Broad, Cross-Industry Application Spectrum
    \n\u2022 Architectural Roofing & Facades: Seals self-drilling screws on metal roofing sheets, curtain-wall mullions, and solar-panel rails exposed to driving rain and daily temperature cycles.
    \n\u2022 HVAC, Plumbing & Fire-Protection Systems: Prevents leakage around sheet-metal duct screws, sprinkler hangers, and water-heater jackets that undergo thermal expansion and vibration.
    \n\u2022 Automotive, Marine & Rail Vehicles: Maintains watertight joints in body panels, lighting housings, and deck hardware subjected to road salt, spray, and continuous flexing.
    \n\u2022 Electronics Enclosures & Renewable-Energy Cabinets: Provides IP-rated sealing for control boxes, junction covers, and inverter housings where gasket compression must remain stable over decades.<\/li>\n
  3. Installer-Friendly, Time-Saving Handling
    \n\u2022 One-piece bonded design eliminates juggling separate metal and rubber parts; workers simply place the washer under any hex-head, sheet-metal, or self-tapping screw and drive to the standard torque.
    \n\u2022 The stainless rim centers the fastener during spin-up, reducing run-out and stripping, while the rubber lip self-seats even on slightly irregular or painted substrates\u2014ideal for field crews in variable conditions.
    \n\u2022 Compatible with power drivers and automated feed systems; washers are available pre-assembled on screws or in bulk cartons for rapid line-side replenishment.
    \n\u2022 Low added stack height (\u2264 2 mm for #10 \/ M5 size) fits tight clearances without requiring longer fasteners or larger pilot holes, streamlining retrofits and repairs.<\/li>\n
  4. Verified Quality & Long-Term Durability
    \n\u2022 Each batch undergoes 100 % visual and random hydraulic-pressure testing (sampled to ISO 2859-1) to ensure zero pinholes, bond voids, or cup cracks; typical Cp\/Cpk \u2265 1.67 for critical dimensions.
    \n\u2022 Elastomer hardness 50 \u00b1 5 Shore A, tensile strength \u2265 7 MPa, and compression-set \u2264 25 % at 100 \u00b0C\/22 h guarantee lasting elasticity; stainless hardness \u2264 200 HV prevents brittle failure during installation.
    \n\u2022 Accelerated ageing trials\u20141 000 h UV exposure, 168 h salt-spray, and 500 thermal cycles from \u221240 \u00b0C to +90 \u00b0C\u2014show no loss of sealing force or rubber-to-metal adhesion.
    \n\u2022 Packaging features lot-coded labels linking melt chemistry, rubber compound certs, and test reports, providing traceability and confidence for safety-critical construction, transport, and industrial projects.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

    Reliable, Weather-Tight Sealing Performance \u2022 The washer combines a 304 stainless-steel backing cup with co-molded Neoprene or EPDM elastomer, creating a single, bonded unit that compresses evenly under torque to form a long-life, leak-free gasket. \u2022 304 stainless provides \u2265 18 % Cr \/ 8 % Ni corrosion resistance, while the elastomer remains pliable from […]<\/p>","protected":false},"featured_media":4168,"template":"","meta":[],"product_brand":[],"product_cat":[176],"product_tag":[],"class_list":["post-4167","product","type-product","status-publish","has-post-thumbnail","product_cat-washer","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product\/4167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/4168"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=4167"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4167"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4167"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}