Master Bond Supreme 17HTND-2 is a toughened epoxy system for bonding and sealing applications. It is a true one component system, not premixed and frozen, with an unlimited working life at room temperature. Supreme 17HTND-2 is thermally stable, featuring a high glass transition temperature (Tg) of 410°F (210°C). It also meets NASA low outgassing specifications per ASTM E595 testing.
Supreme 17HTND-2 has reliable electrical insulation properties, with a volume resistivity exceeding 1015 ohm-cm at 75°F. It possesses high bond strength properties, with a lap shear strength of 1,900psi-2,100psi and a tensile strength of 7,000psi-8,000psi. It is designed to withstand thermal cycling and offers a wide service temperature range from -100°F to +550°F (-73°C to 288°C). Along with its simple handling properties, it has a paste consistency and is completely non-drip, making it ideal for applications where no flow is critical.
Supreme 17HTND-2 cures at elevated temperatures, with cure schedule options including 300°F for four to six hours, or 350°F for two to four hours. An optimal cure schedule is at 300°F for four to six hours, followed by a post cure at 350°F for eight to 12 hours. It bonds well to a wide variety of substrates, including metal, ceramics, composites, and several plastics. Black in colour, it is available in standard packaging of jars and cans, ranging from ½ pint to gallon containers.
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