{"product_id":"3m-scotch-weld-dp490-black-50ml-epoxy-structural-adhesive-for-metal-and-composite-bonding","title":"3M Scotch-Weld DP490 Black 50ML Epoxy Structural Adhesive for Metal and Composite Bonding","description":"\u003ch2 data-section-id=\"1p927wt\" data-start=\"131\" data-end=\"150\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"152\" data-end=\"628\"\u003e3M Scotch-Weld DP490 Black 50ML is a black, two-component epoxy structural adhesive designed for applications requiring high toughness, high strength, heat resistance and environmental resistance. According to 3M’s latest technical data sheet revised in February 2026, DP490 is designed for bonding applications where toughness and strength are required, and it features a 90-minute work life, non-sag performance and a 2:1 mix ratio. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"630\" data-end=\"1017\"\u003eThis product is supplied in a 50 mL Duo-Pak cartridge and is suitable for use with the 3M EPX applicator system, which helps provide accurate metering, mixing and dispensing. 3M’s product page lists DP490 Black 50 mL as a two-part structural adhesive and highlights its 90-minute work life, high strength and non-sag application performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1019\" data-end=\"1409\"\u003eDP490 is especially suitable for demanding industrial bonding applications such as transportation, rail, automotive, composite assembly, metal bonding, plastic bonding and structural component bonding. 3M notes that DP490 provides excellent shear and peel strength, good impact durability, and heat and environmental resistance up to 248°F \/ 120°C.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1416\" data-end=\"1431\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1433\" data-end=\"2002\"\u003e\n\u003cli data-section-id=\"1680cue\" data-start=\"1433\" data-end=\"1482\"\u003eBlack two-component epoxy structural adhesive\u003c\/li\u003e\n\u003cli data-section-id=\"1ffgtpf\" data-start=\"1483\" data-end=\"1520\"\u003e50 mL Duo-Pak cartridge packaging\u003c\/li\u003e\n\u003cli data-section-id=\"5hrdkv\" data-start=\"1521\" data-end=\"1548\"\u003e2:1 mix ratio by volume\u003c\/li\u003e\n\u003cli data-section-id=\"2ahun9\" data-start=\"1549\" data-end=\"1603\"\u003e90-minute work life for repositioning and assembly\u003c\/li\u003e\n\u003cli data-section-id=\"19dnai\" data-start=\"1604\" data-end=\"1669\"\u003eNon-sag, thixotropic formula for vertical surface application\u003c\/li\u003e\n\u003cli data-section-id=\"7vccdn\" data-start=\"1670\" data-end=\"1737\"\u003eHigh peel and shear strength for demanding bonding applications\u003c\/li\u003e\n\u003cli data-section-id=\"8lrefc\" data-start=\"1738\" data-end=\"1764\"\u003eGood impact durability\u003c\/li\u003e\n\u003cli data-section-id=\"lei5q1\" data-start=\"1765\" data-end=\"1826\"\u003eHeat and environmental resistance up to 120°C \/ 248°F\u003c\/li\u003e\n\u003cli data-section-id=\"1e2byt6\" data-start=\"1827\" data-end=\"1890\"\u003eSuitable for bonding many plastics and powder-coated metals\u003c\/li\u003e\n\u003cli data-section-id=\"10arzke\" data-start=\"1891\" data-end=\"1944\"\u003eDesigned for use with 3M EPX dispensing equipment\u003c\/li\u003e\n\u003cli data-section-id=\"w3zaa4\" data-start=\"1945\" data-end=\"2002\"\u003eSuitable for industrial and professional applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"164os46\" data-start=\"2009\" data-end=\"2032\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cp data-start=\"2034\" data-end=\"2172\"\u003e\u003cstrong data-start=\"2034\" data-end=\"2069\"\u003e3M Scotch-Weld DP490 Black 50ML\u003c\/strong\u003e is suitable for high-strength bonding, structural assembly and durable industrial repair applications.\u003c\/p\u003e\n\u003cp data-start=\"2174\" data-end=\"2203\"\u003eTypical applications include:\u003c\/p\u003e\n\u003cul data-start=\"2205\" data-end=\"2565\"\u003e\n\u003cli data-section-id=\"1irmj2p\" data-start=\"2205\" data-end=\"2236\"\u003eRail and automotive bonding\u003c\/li\u003e\n\u003cli data-section-id=\"68n39j\" data-start=\"2237\" data-end=\"2274\"\u003eTransportation component assembly\u003c\/li\u003e\n\u003cli data-section-id=\"zh8dld\" data-start=\"2275\" data-end=\"2305\"\u003eComposite material bonding\u003c\/li\u003e\n\u003cli data-section-id=\"1ssrb78\" data-start=\"2306\" data-end=\"2332\"\u003eMetal-to-metal bonding\u003c\/li\u003e\n\u003cli data-section-id=\"o7up4g\" data-start=\"2333\" data-end=\"2362\"\u003ePlastic component bonding\u003c\/li\u003e\n\u003cli data-section-id=\"17htw40\" data-start=\"2363\" data-end=\"2394\"\u003ePowder-coated metal bonding\u003c\/li\u003e\n\u003cli data-section-id=\"1iba6ol\" data-start=\"2395\" data-end=\"2428\"\u003eIndustrial structural bonding\u003c\/li\u003e\n\u003cli data-section-id=\"1dksno8\" data-start=\"2429\" data-end=\"2470\"\u003eImpact-resistant bonding applications\u003c\/li\u003e\n\u003cli data-section-id=\"y8k02s\" data-start=\"2471\" data-end=\"2522\"\u003eSealing, potting and encapsulating applications\u003c\/li\u003e\n\u003cli data-section-id=\"1q8i8y7\" data-start=\"2523\" data-end=\"2565\"\u003eVibration and shock-resistant assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2567\" data-end=\"2825\"\u003e3M specifically lists transportation applications such as rail and automotive as recommended applications for DP490, and product properties also include bonding, encapsulating, impact resistance, potting and sealing.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1j4uioo\" data-start=\"2832\" data-end=\"2855\"\u003eStorage and Handling\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1dtzw1r\" data-start=\"2857\" data-end=\"2879\"\u003eStorage Conditions\u003c\/h3\u003e\n\u003cp data-start=\"2881\" data-end=\"3286\"\u003eStore 3M Scotch-Weld DP490 Black 50ML in its original, unopened packaging under normal storage conditions of 16°C to 27°C \/ 60°F to 80°F, away from direct sunlight. According to 3M’s technical data sheet, cartridge products can be stored for up to 39 months from the date of production when kept in the original packaging under the recommended conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1kw75wz\" data-start=\"3288\" data-end=\"3316\"\u003eHandling Recommendations\u003c\/h3\u003e\n\u003cp data-start=\"3318\" data-end=\"3626\"\u003eBefore bonding, all surfaces should be clean and free from paint, oxide films, oil, dust, mold release agents and other contaminants to achieve high-strength structural bonding. 3M recommends wearing gloves to minimize skin contact and not using solvents to clean hands. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3628\" data-end=\"4007\"\u003eFor Duo-Pak cartridges, insert the cartridge into the 3M EPX applicator, remove the cap, dispense a small amount of adhesive to confirm both components flow evenly, then attach the mixing nozzle and begin dispensing. For maximum bond strength, apply the adhesive evenly to both surfaces, join the parts and keep them from moving during cure.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-start=\"1019\" data-end=\"1409\"\u003e \u003c\/p\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51679477432536,"sku":"3M-DP490-BLACK-50ML","price":225.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/7103\/1000\/files\/DP490.jpg?v=1778642152","url":"https:\/\/hklotech.com\/products\/3m-scotch-weld-dp490-black-50ml-epoxy-structural-adhesive-for-metal-and-composite-bonding","provider":"hklotech","version":"1.0","type":"link"}