Product Selector | MasterBond.com

Product	Certifications	Applications	Viscosity	Cure Schedule	Hardness	Temp. Range	Link to Content
Supreme 3HTS-80 One component, toughened, silver conductive epoxy system Tensile Lap Shear Strength 400-500 psi Volume Resistivity <0.05 ohm-cm	RoHS Compliant	Bonding Sealing Coating Gap Filling	paste	Cures at 175°F to 185°F for 2 to 3 hours	50-60 Shore D	-100°F to +350°F	/fr/tds/supreme-3hts-80
Supreme 42HT-2 Two component epoxy system for bonding, sealing, coating and encapsulation Dielectric Strength 440 volts/mil Glass Transition Temperature (Tg) 130-135°C	RoHS Compliant	Bonding Sealing Coating Encapsulation Gap Filling Potting Casting	Part A: 75,000-125,000 cps, Part B: 30-70 cps	48-72 hours at 75°F; 2-3 hours at 200°F; overnight at 75°F followed by 3-5 hours at 160-200°F	70-80 Shore D	-80°F to +450°F	/fr/tds/supreme-42ht-2
Supreme 42HT-2ND Two component epoxy system for bonding, sealing and coating Glass Transition Temperature (Tg) 130-135°C Volume Resistivity >10¹⁴ ohm-cm	NASA Low Outgassing RoHS Compliant 1,000 Hours at 85°C/85% RH	Bonding Sealing Coating Gap Filling	paste	overnight at 75°F followed by 3-5 hours at 160-200°F	75-85 Shore D	-80°F to +450°F	/fr/tds/supreme-42ht-2nd
Supreme 42HT-2ND Black Two component, non-flow epoxy system for bonding, sealing and coating Dielectric Constant 4.5 Glass Transition Temperature (Tg) 130-135 °C	NASA Low Outgassing RoHS Compliant 1,000 Hours at 85°C/85% RH	Bonding Sealing Coating Gap Filling	paste	48-72 hours at ambient temperatures and in 2-3 hours at 200°F; optimum cure schedule is overnight at 75°F followed by 3-5 hours at 160-200°F	75-85 Shore D	4K to +450°F	/fr/tds/supreme-42ht-2nd-black
Supreme 42HT-2ND-2 Two component epoxy system for bonding, sealing and coating Glass Transition Temperature (Tg) 130-135°C Volume Resistivity >10¹⁴ ohm-cm	RoHS Compliant	Bonding Sealing Coating Gap Filling	paste	48-72 hours at ambient temperatures and in 2-3 hours at 200°F	70-80 Shore D	-80°F to +450°F	/fr/tds/supreme-42ht-2nd-2
Supreme 45HT Toughened, two component epoxy system for bonding, sealing and coating Dielectric Constant 4.5 Tensile Lap Shear Strength >2,500 psi	RoHS Compliant	Bonding Sealing Coating Encapsulation Potting	35,000-60,000 cps	250-300°F for 3-4 hours followed by a post cure at 350-400°F for 1-2 hours	80-90 Shore D	-100°F to +450°F	/fr/tds/supreme-45ht
Supreme 45HTND-2LO Black Toughened, two component epoxy system featuring high temperature resistance Dielectric Constant 4.5 Tensile Lap Shear Strength 2,200-2,400 psi	RoHS Compliant NASA Low Outgassing 1,000 Hours at 85°C/85% RH	Bonding Sealing Coating Gap Filling	paste	250-300°F for 3-4 hours followed by a post cure at 350-400°F for 1-2 hours	80-90 Shore D	-100°F to +450°F	/fr/tds/supreme-45htnd-2lo-black
Supreme 45HTQ Two component epoxy system for bonding, sealing and casting Tensile Lap Shear Strength 2,100-2,300 psi Tensile Modulus 500,000-550,000 psi	RoHS Compliant 1,000 Hours at 85°C/85% RH	Bonding Sealing Casting Coating Encapsulation Potting	20,000-30,000 cps	4 to 6 hours at 250°F, 4 to 5 hours at 350°F, optimal cure schedule is 300°F for 2 hours, followed by post curing at 350°F for 4 to 6 hours.	80-90 Shore D	-60°F to +450°F	/fr/tds/supreme-45htq
Supreme 45HTQ-4 Two component epoxy system for bonding, sealing and casting Coefficient of Thermal Expansion 30-35 x 10⁻⁶ in/in/°C Dielectric Constant 4.5	RoHS Compliant	Bonding Sealing Coating Gap Filling	paste	At 250°F, the cure time is 4-6 hours but at 300°F, this system will cure in 4-5 hours.	85-90 Shore D	-100°F to +450°F	/fr/tds/supreme-45htq-4
Supreme 46HT-1AO Two part, thermally conductive, electrically insulative epoxy for bonding and sealing featuring outstanding heat resistance; requires oven curing Dielectric Strength 450 volts/mil Tensile Modulus 600,000-650,000 psi	RoHS Compliant 1,000 Hours at 85°C/85% RH NASA Low Outgassing	Bonding Sealing Coating Encapsulation Gap Filling	75,000-150,000 cps	2 hours at 300°F, followed by 3-4 hours at 350-400°F.	85-95 Shore D	-100°F to +550°F	/fr/tds/supreme-46ht-1ao

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