{"product_id":"3m-scotch-weld-dp420ns-black-50ml-epoxy-structural-adhesive-for-metal-and-composite-bonding","title":"3M Scotch-Weld DP420NS Black 50ML Epoxy Structural Adhesive for Metal and Composite Bonding","description":"\u003cp\u003eThe 3M Scotch-Weld DP420NS is a non-sagging, two-part epoxy structural adhesive designed for high-strength bonding of metals, composites, and a broad range of industrial substrates. Its non-sag formulation makes it ideal for vertical and overhead applications where adhesive flow must be controlled. Once cured, it delivers a tough, durable bond with excellent resistance to impact, vibration, and harsh environments.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1073\" data-end=\"1088\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1090\" data-end=\"1991\"\u003e\n\u003cli data-section-id=\"wo5z4u\" data-start=\"1090\" data-end=\"1134\"\u003eBlack two-part epoxy structural adhesive\u003c\/li\u003e\n\u003cli data-section-id=\"jiizhn\" data-start=\"1135\" data-end=\"1196\"\u003eToughened formula with good impact and fatigue resistance\u003c\/li\u003e\n\u003cli data-section-id=\"9054bt\" data-start=\"1197\" data-end=\"1288\"\u003eNon-sag formula, suitable for vertical surfaces, complex areas and localized dispensing\u003c\/li\u003e\n\u003cli data-section-id=\"1yzlx8a\" data-start=\"1289\" data-end=\"1368\"\u003eHigh shear strength and high peel strength for long-term structural bonding\u003c\/li\u003e\n\u003cli data-section-id=\"m8ouyd\" data-start=\"1369\" data-end=\"1441\"\u003eMaintains bonding strength under high and low temperature conditions\u003c\/li\u003e\n\u003cli data-section-id=\"ccdev\" data-start=\"1442\" data-end=\"1553\"\u003eCan withstand certain paint bake processes; 3M information indicates resistance to 400°F for 60 minutes\u003c\/li\u003e\n\u003cli data-section-id=\"11csljj\" data-start=\"1554\" data-end=\"1658\"\u003eSuitable for various substrates, including metal, ceramic, wood, glass, many composites and plastics\u003c\/li\u003e\n\u003cli data-section-id=\"nd2cbd\" data-start=\"1659\" data-end=\"1741\"\u003eApproximately 20-minute open time for positioning, adjustment and assembly\u003c\/li\u003e\n\u003cli data-section-id=\"2bblc\" data-start=\"1742\" data-end=\"1777\"\u003eMeets UL 94 HB requirements\u003c\/li\u003e\n\u003cli data-section-id=\"d9cqx1\" data-start=\"1778\" data-end=\"1906\"\u003e50ML Duo-Pak cartridge packaging, suitable for small-batch production, repair, laboratory use and production line dispensing\u003c\/li\u003e\n\u003cli data-section-id=\"999qsz\" data-start=\"1907\" data-end=\"1991\"\u003eSuitable for bonding, potting, panel bonding and structural bonding applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"164os46\" data-start=\"1998\" data-end=\"2021\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cp data-start=\"2023\" data-end=\"2169\"\u003e3M DP420NS Black 50ML is suitable for structural bonding applications requiring high strength, impact resistance and environmental durability.\u003c\/p\u003e\n\u003cp data-start=\"2171\" data-end=\"2200\"\u003eTypical applications include:\u003c\/p\u003e\n\u003cul data-start=\"2202\" data-end=\"2616\"\u003e\n\u003cli data-section-id=\"rvimvz\" data-start=\"2202\" data-end=\"2226\"\u003eSmall joint assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1r0x2dl\" data-start=\"2227\" data-end=\"2259\"\u003eHeavy-duty mounting assembly\u003c\/li\u003e\n\u003cli data-section-id=\"ywoge0\" data-start=\"2260\" data-end=\"2305\"\u003eMetalworking and metal structural bonding\u003c\/li\u003e\n\u003cli data-section-id=\"1ibbooj\" data-start=\"2306\" data-end=\"2340\"\u003eCarbon fiber composite bonding\u003c\/li\u003e\n\u003cli data-section-id=\"18u9v8w\" data-start=\"2341\" data-end=\"2371\"\u003eMetal-to-composite bonding\u003c\/li\u003e\n\u003cli data-section-id=\"1x9sx9x\" data-start=\"2372\" data-end=\"2400\"\u003eMetal-to-plastic bonding\u003c\/li\u003e\n\u003cli data-section-id=\"1iptn4u\" data-start=\"2401\" data-end=\"2429\"\u003eIndustrial panel bonding\u003c\/li\u003e\n\u003cli data-section-id=\"x6e3py\" data-start=\"2430\" data-end=\"2469\"\u003eStructural fixing and reinforcement\u003c\/li\u003e\n\u003cli data-section-id=\"1qxm5t0\" data-start=\"2470\" data-end=\"2521\"\u003ePotting, sealing and encapsulating applications\u003c\/li\u003e\n\u003cli data-section-id=\"191pc9t\" data-start=\"2522\" data-end=\"2616\"\u003ePartial replacement of screws, rivets, spot welding and other mechanical fastening methods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"10n0y4b\" data-start=\"4001\" data-end=\"4037\"\u003eHandling and Use Recommendations\u003c\/h3\u003e\n\u003cul data-start=\"4039\" data-end=\"4932\"\u003e\n\u003cli data-section-id=\"1jf8tc2\" data-start=\"4039\" data-end=\"4115\"\u003eAvoid heavy pressure, dropping or cartridge deformation during handling.\u003c\/li\u003e\n\u003cli data-section-id=\"clmh42\" data-start=\"4116\" data-end=\"4261\"\u003eBefore application, make sure the bonding surface is clean, dry and free from oil, dust, oxide layers, release agents and other contaminants.\u003c\/li\u003e\n\u003cli data-section-id=\"xhuy5f\" data-start=\"4262\" data-end=\"4369\"\u003eFor high-strength structural bonding, surface contaminants should be completely removed before bonding.\u003c\/li\u003e\n\u003cli data-section-id=\"ye4zw4\" data-start=\"4370\" data-end=\"4592\"\u003eWhen using Duo-Pak cartridges, insert the cartridge into the EPX applicator, dispense a small amount of adhesive first to confirm that both A and B components flow evenly, then install the mixing nozzle for dispensing.\u003c\/li\u003e\n\u003cli data-section-id=\"1b107q7\" data-start=\"4593\" data-end=\"4694\"\u003eThe A and B components must be fully mixed at the specified ratio to achieve optimal performance.\u003c\/li\u003e\n\u003cli data-section-id=\"2jpmol\" data-start=\"4695\" data-end=\"4799\"\u003eAfter dispensing, assemble the parts promptly and keep them fixed during curing to prevent movement.\u003c\/li\u003e\n\u003cli data-section-id=\"spm2gi\" data-start=\"4800\" data-end=\"4932\"\u003eWhen using solvents for surface cleaning, keep away from ignition sources and follow the solvent supplier’s safety instructions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"50ml","offer_id":51732557136088,"sku":"3M-DP420NS","price":199.0,"currency_code":"HKD","in_stock":true},{"title":"5gal","offer_id":51732557168856,"sku":"3M-DP420NS","price":43599.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/7103\/1000\/files\/3M_DP420NS_2000x2000_4e80c257-b7eb-465c-abb1-c75069f4e196.png?v=1778650713","url":"https:\/\/hklotech.com\/products\/3m-scotch-weld-dp420ns-black-50ml-epoxy-structural-adhesive-for-metal-and-composite-bonding","provider":"hklotech","version":"1.0","type":"link"}