Product Selector | MasterBond.com

Product	Certifications	Applications	Viscosity	Cure Schedule	Hardness	Temp. Range	Link to Content
EP40ND Two component, room temperature curing epoxy with good toughness, paste consistency Elongation 80-90% Tensile Lap Shear Strength 1,600-1,800 psi	NASA Low Outgassing RoHS Compliant	Bonding Sealing Coating Gap Filling	Part A: 50,000-100,000 cps, Part B: paste	overnight at 75°F, followed by a post cure at 120-150°F for 2-3 hours	50-60 Shore D	-100°F to +250°F	/es/tds/ep40nd
EP40NDMed Two component, medical grade epoxy with good toughness and paste consistency Elongation 80-90% Volume Resistivity >10¹⁵ ohm-cm	ISO 10993-5 for Cytotoxicity RoHS Compliant	Bonding Sealing Coating Gap Filling	Part A: 50,000-100,000 cps, Part B: paste	overnight at 75°F followed by 2-3 hours at 120°F to 150°F	50-60 Shore D	-100°F to +250°F	/es/tds/ep40ndmed
EP40TC Two component, thermally conductive, electrically insulative epoxy system for bonding and sealing Elongation 60-70% Tensile Lap Shear Strength 2,300-2,500 psi	RoHS Compliant NASA Low Outgassing	Bonding Sealing Coating Encapsulation Gap Filling	80,000-100,000 cps	overnight at 75°F followed by 3-5 hours at 125°F to 150°F	70-80 Shore D	-100°F to +300°F	/es/tds/ep40tc
EP40TCMed Two component, thermally conductive, electrically insulative epoxy system for medical device applications Elongation 60-70% Tensile Lap Shear Strength 2,300-2,500 psi	ISO 10993-5 for Cytotoxicity RoHS Compliant	Bonding Sealing Gap Filling Coating	80,000-100,000 cps	overnight at 75°F followed by 3-5 hours at 125°F to 150°F	70-80 Shore D	-100°F to +300°F	/es/tds/ep40tcmed
EP41S-1 Two component, epoxy adhesive, sealant and coating resists harsh chemicals Dielectric Strength 440 volts/mil Volume Resistivity >10¹⁴ ohm-cm	RoHS Compliant NASA Low Outgassing	Bonding Sealing Coating Encapsulation	Part A: 10,000-15,000 cps, Part B: 250 - 400 cps	75°F for 24-48 hours, 200°F for 2-3 hours	>75 Shore D	-60°F to +300°F	/es/tds/ep41s-1
EP41S-5 Two component epoxy system featuring excellent chemical resistance especially to solvents, acids, bases, alcohols and fuels Dielectric Strength 440 volts/mil Glass Transition Temperature (Tg) 140-145°C	NASA Low Outgassing RoHS Compliant	Bonding Sealing Coating Potting Casting Encapsulation Gap Filling	25,000-30,000 cps	overnight at 75°F followed by 3-4 hours at 150-200°F	85-95 Shore D	-80°F to +450°F	/tds/ep41s-5
EP41S-5LV Two component epoxy system featuring excellent chemical resistance especially to solvents, acids, bases, alcohols and fuels Glass Transition Temperature (Tg) 120-125°C Volume Resistivity >10¹⁴ ohm-cm	NASA Low Outgassing RoHS Compliant	Bonding Sealing Coating Encapsulation Potting Gap Filling	2,000-5,000 cps	75°F: 3-5 days; 150-200°F: 2-3 hours	85-95 Shore D	-80°F to +350°F	/tds/ep41s-5lv
EP41S-5Med Two component epoxy system featuring excellent resistance to sterilants, solvents and autoclaving Dielectric Strength 440 volts/mil Glass Transition Temperature (Tg) 140-145°C	ISO 10993-5 for Cytotoxicity RoHS Compliant	Bonding Sealing Coating Encapsulation Gap Filling	25,000-30,000 cps	75°F: 3-5 days; 150-200°F: 2-3 hours; Optimal cure schedule: overnight at 75°F, plus 3-4 hours at 200°F	85-95 Shore D	-80°F to +450°F	/tds/ep41s-5med
EP41S-5ND Black Two component epoxy system featuring excellent chemical resistance especially to solvents, acids, bases, alcohols and fuels Glass Transition Temperature (Tg) 140-145°C Volume Resistivity >10¹⁴ ohm-cm	NASA Low Outgassing RoHS Compliant	Bonding Sealing Coating Gap Filling Encapsulation	Part A: paste, Part B: paste	overnight at 75°F followed by 3-4 hours at 150-200°F	85-95 Shore D	-80°F to +450°F	/tds/ep41s-5nd-black
EP41S-6 Two component epoxy system that meets UL 1203 for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations Dielectric Strength 440 volts/mil Glass Transition Temperature (Tg) 145-150°C	RoHS Compliant UL 1203 for Explosion-Proof & Dust-Ignition-Proof	Bonding Sealing Coating Potting Casting Encapsulation Gap Filling	30,000-60,000 cps	24 hours at room temperature followed by 10 hours at 125°C	85-95 Shore D	-80°F to +500°F	/tds/ep41s-6

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