Product Selector | MasterBond.com

Product	Certifications	Applications	Viscosity	Cure Schedule	Hardness	Temp. Range	Link to Content
EP35SP Two component epoxy system for bonding, sealing and coating applications Glass Transition Temperature (Tg) 215-220°C Tensile Lap Shear Strength 2,200-2,400 psi	RoHS Compliant	Bonding Sealing Coating Gap Filling	paste	1 hour at 110°C, followed by 2 to 3 hours at 125-150°C, with a post cure at 175°C for 2 to 3 hours	85-95 Shore D	-80°F to +550°F	/de/tds/ep35sp
EP37-3FLF Two component, room temperature curing epoxy for bonding, casting and coating Acoustical Impedance 2.5 MRayl Refractive Index 1.536	RoHS Compliant	Bonding Coating Casting Encapsulation Sealing Gap Filling	600-1,200 cps	overnight at 75°F, followed by a post cure at 135-165°F for 3-5 hours	25-35 Shore D	4K to +250°F	/de/tds/ep37-3flf
EP37-3FLFAO Two component epoxy compound for potting, bonding, sealing and coating Dielectric Strength 450 volts/mil Tensile Modulus 30,000-40,000 psi	NASA Low Outgassing 1,000 Hours at 85°C/85% RH RoHS Compliant MIL-STD-810G for Fungus Resistance	Bonding Sealing Coating Potting Encapsulation Gap Filling	Part A: 6,000-11,000 cps, Part B: 7,000-12,000 cps	75°F: 48-72 hours; 200°F: 2-3 hours; Optimal cure: Overnight at 75°F followed by post cure at 135-165°F for 3-5 hours	35-45 Shore D	4K to +250°F	/de/tds/ep37-3flfao
EP37-3FLFAOND Two component epoxy compound for bonding, sealing and encapsulation Dielectric Constant 4.9 Tensile Modulus 30,000-40,000 psi	NASA Low Outgassing RoHS Compliant 1,000 Hours at 85°C/85% RH	Bonding Sealing Coating Gap Filling	Part A: paste, Part B: paste	75°F: 2-3 days; 150-200°F: 2-4 hours	35-45 Shore D	4K to +250°F	/de/tds/ep37-3flfaond
EP38CL Two component high performance epoxy for bonding, sealing, coating and encapsulation Tensile Modulus 300,000-350,000 psi Volume Resistivity >10¹⁴ ohm-cm	RoHS Compliant 1,000 Hours at 85°C/85% RH	Bonding Sealing Coating Encapsulation Gap Filling	1,000-4,000 cps	75°F for 24-48 hours, 200°F for 1-2 hours	75-85 Shore D	-100°F to +250°F	/de/tds/ep38cl
EP39-2 Two component, low viscosity, room temperature curing epoxy for bonding, sealing, coating and casting Dielectric Constant 4.3 Refractive Index 1.55	RoHS Compliant 1,000 Hours at 85°C/85% RH	Bonding Sealing Coating Casting Gap Filling Encapsulation Potting	2,000-4,000 cps	3-4 hours at ambient temperatures followed by 2-3 hours at 140-170°F	75-85 Shore D	-60°F to +300°F	/de/tds/ep39-2
EP39MAOHT Two component, thermally conductive, electrically insulative, room temperature curing epoxy resin system Dielectric Constant 4.8 Tensile Lap Shear Strength 1,400-1,600 psi	MIL-STD-810G for Fungus Resistance RoHS Compliant	Bonding Sealing Coating Encapsulation Potting Casting Gap Filling	3,000-6,000 cps	75°F: 3-5 days; 150-200°F: 3-4 hours; optimum cure schedule: overnight at 75°F plus 3-5 hours at 150-200°F	80-90 Shore D	-100°F to +400°F	/tds/ep39maoht
EP39MHT Two component, low viscosity, room temperature curing epoxy resin system Elongation 70-90% Volume Resistivity >10¹⁴ ohm-cm	RoHS Compliant 1,000 Hours at 85°C/85% RH	Bonding Sealing Coating Encapsulation Potting Casting Gap Filling	1,500-3,000 cps	75°F in 3-4 days; accelerated by heat curing for 3-4 hours at 150-200°F; optimum cure schedule overnight at 75°F followed by 2-4 hours at 150-200°F.	75-85 Shore D	-100°F to +400°F	/de/tds/ep39mht
EP40 Two component, room temperature curing epoxy system with good toughness; meets NASA low outgassing specifications Dielectric Constant 4.1 Elongation 80-90%	NASA Low Outgassing RoHS Compliant	Bonding Sealing Coating Encapsulation Gap Filling	Part A: 9,000-16,000 cps, Part B: 6,000-8,000 cps	overnight at 75°F followed by 2-3 hours at 120°F to 150°F	50-60 Shore D	-100°F to +250°F	/de/tds/ep40
EP40Med Two component, room temperature curing epoxy with high elongation Dielectric Constant 4.1 Elongation 80-90%	ISO 10993-5 for Cytotoxicity RoHS Compliant USP Class VI Medical	Bonding Sealing Coating Encapsulation Gap Filling	Part A: 9,000-16,000 cps, Part B: 6,000-8,000 cps	overnight at 75°F followed by 2-3 hours at 120°F to 150°F	50-60 Shore D	-80°F to +250°F	/de/tds/ep40med

Need Expert Guidance?

Our expert engineers offer one-on-one consultations to help you navigate our extensive material library and find the right solution for your application. We ensure confidentiality and quick turnaround (1-2 business days).

Discuss Your Application