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Ellsworth Adhesives proudly carries the most comprehensive online selection of Emerson & Cuming STYCAST. They offer excellent elevated temperature stability and thermal shock resistance, outstanding electrical insulation at both room and elevated temperature, minimal shrinkage and low stress during cure and excellent chemical resistance. We are pleased to offer both the epoxy and silicone encapsulant versions of STYCAST. If you're unable to find a product online, request a quote.

Part # Sub Category Name Description
Emerson & Cuming 1090 5lb 1090 STYCAST 5 LB. GALLON Epoxy STYCAST® 1090 STYCAST 1090 is a low density, syntactic foam epoxy encapsulant; it has a low cure shrinkage, low coefficient of thermal expansion, low dielectric constant and is completely unicellular. Cures with either Catalyst 9, 11, or 23LV, not included. 5 lb Gallon.
Emerson & Cuming 1264 Part A 9lb 1264 PTA CLR 9# GL Epoxy STYCAST® 1264 Part A STYCAST 1264 is a two component, room temperature curable, transparent epoxy casting resin; it has outstanding toughness, impact strength and resistance to thermal shock, it cures slightly flexible and virtually stress free. 9 lb Gallon.
Emerson & Cuming 1264 Part B 4lb 1264 PTB 4# GL Epoxy STYCAST® 1264 Part B STYCAST 1264 is a two component, room temperature curable, transparent epoxy casting resin; it has outstanding toughness, impact strength and resistance to thermal shock, it cures slightly flexible and virtually stress free. 4 lb Gallon.
Emerson & Cuming 1265 Part A 4lb 1265 PTA CLR 4# GL Epoxy STYCAST® 1265 Part A STYCAST 1265 is a two component epoxy gel with a long pot life; it is tough and can be cut easily for repairing and replacing components. 4 lb Gallon.
Emerson & Cuming 1265 Part A 40lb 1265 PTA CLR 40# PL Epoxy STYCAST® 1265 Part A STYCAST 1265 is a two component epoxy gel with a long pot life; it is tough and can be cut easily for repairing and replacing components. 40 lb pail.
1265 PTB CLR 4# GL Epoxy STYCAST® 1265 Part B STYCAST 1265 is a two component epoxy gel with a long pot life; it is tough and can be cut easily for repairing and replacing components. 4 lb Gallon.
Emerson & Cuming 1265 Part B 40lb 1265 PTB CLR 40# PL Epoxy STYCAST® 1265 Part B STYCAST 1265 is a two component epoxy gel with a long pot life; it is tough and can be cut easily for repairing and replacing components. 40 lb pail.
Emerson & Cuming 1266 1lb 9oz 1266 PTA CLR 1# 9 OZ QT Epoxy STYCAST® 1266 Part A STYCAST 1266 is a clear, low viscosity, room temperature curable, epoxy encapsulant and impregnant; it has good moisture resistance, electrical properties and impact strength. 1 lb 9 oz Quart.
Emerson & Cuming 1266 Part A 7lb 1266 PTA CLR 7# GL Epoxy STYCAST® 1266 Part A STYCAST 1266 is a clear, low viscosity, room temperature curable, epoxy encapsulant and impregnant; it has good moisture resistance, electrical properties and impact strength. 7 lb Gallon.
Emerson & Cuming 1266 Part B 2lb 1266 PTB 2# GL Epoxy STYCAST® 1266 Part B STYCAST 1266 is a clear, low viscosity, room temperature curable, epoxy encapsulant and impregnant; it has good moisture resistance, electrical properties and impact strength. 2 lb Gallon.
Emerson & Cuming 1266 Part B 7oz 1266 PTB 7 OZ QT Epoxy STYCAST® 1266 Part B STYCAST 1266 is a clear, low viscosity, room temperature curable, epoxy encapsulant and impregnant; it has good moisture resistance, electrical properties and impact strength. 7 oz Quart.
Emerson & Cuming 1495K 14lb 1495K 14# GALLON Epoxy STYCAST® 1495 K STYCAST 1495 K is a low viscosity, thermally conductive, epoxy encapsulation resin; it has a high filler loading, good handling properties. Cures with either Catalyst 9, 11, or 23LV, not included. 14 lb Gallon.
Emerson & Cuming 2057 12lb 2057 12 LB. GALLON Epoxy STYCAST® 2057 STYCAST 2057 is a low viscosity, filled, general purpose epoxy encapsulating resin; it has good electrical and mechanical properties and a rapid air release. Cures with either Catalyst 9, 11, or 23LV, not included. 12 lb Gallon.
Emerson & Cuming 2057FR 12lb 2057FR 12 LB GALLON Epoxy STYCAST® 2057 FR STYCAST 2057 FR is a low viscosity, filled, fire retardant, general purpose epoxy encapsulating resin; it has good electrical and mechanical properties and a rapid air release. Cures with either Catalyst 9, 11, or 23LV, not included. 12 lb Gallon.
Emerson & Cuming 2057FR 60lb 2057FR 60LB PAIL Epoxy STYCAST® 2057 FR STYCAST 2057 FR is a low viscosity, filled, fire retardant, general purpose epoxy encapsulating resin; it has good electrical and mechanical properties and a rapid air release. Cures with either Catalyst 9, 11, or 23LV, not included. 12 lb Gallon.
Emerson & Cuming 2651 12lb 2651 BLACK 12 LB. GALLON Epoxy STYCAST® 2651 Black STYCAST 2651 is a filled, general purpose, dielectric grade epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 12 lb Gallon.
Emerson & Cuming 2651 60lb 2651 BLACK PAIL Epoxy STYCAST® 2651 Black STYCAST 2651 is a filled, general purpose, dielectric grade epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 60 lb pail.
Emerson & Cuming 2651-40 11lb 2651-40 BLACK 11 LB. GAL. Epoxy STYCAST® 2651-40 Black STYCAST 2651-40 is a filled, general purpose, dielectric grade epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 11 lb Gallon.
Emerson & Cuming 2651-40 55lb 2651-40 BLACK 55 LB. PAIL Epoxy STYCAST® 2651-40 Black STYCAST 2651-40 is a filled, general purpose, dielectric grade epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 55 lb pail.
Emerson & Cuming 2651-40 2lb 2651-40 BLK 2LB RESIN ONLY Epoxy STYCAST® 2651-40 Black STYCAST 2651-40 is a filled, general purpose, dielectric grade epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 2 lb can.
Emerson & Cuming 2651-40FR 11lb 2651-40FR BLACK 11 LB. GAL Epoxy STYCAST® 2651-40FR Black STYCAST 2651-40FR is a filled, general purpose, fire retardant, dielectric grade epoxy encapsulant. Cures with either Catalysts 9 or 11, not included. 11 lb Gallon.
Emerson & Cuming 2651MM 12lb 2651MM 12 LB GALLON Epoxy STYCAST® 2651 MM Black STYCAST 2651 MM is a filled, general purpose, epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 12 lb Gallon.
Emerson & Cuming 2651MM 60lb 2651MM BLACK 60LB PAIL Epoxy STYCAST® 2651 MM Black STYCAST 2651 MM is a filled, general purpose, epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 60 lb pail.
Emerson & Cuming 2651MM UNP 12lb 2651MM UNP 12# Epoxy STYCAST® 2651 MM Unpigmented STYCAST 2651 MM is a filled, general purpose, epoxy encapsulant. Cures with either Catalysts 9, 11, or 23LV, not included. 12 lb Gallon.
Sold as a case (4/case).
Emerson & Cuming 2662 2lb 2662 BLK 2LB QT RESIN ONLY Epoxy STYCAST® 2662 STYCAST 2662 is a filled, epoxy encapsulating resin; it exhibits outstanding physical and electrical properties at very high temperatures. Cures with either Catalysts 14, 17, or 17M-1, not included. 2 lb Quart.
Emerson & Cuming 2741 12lb 2741 12 LB. GALLON Epoxy STYCAST® 2741 STYCAST 2741 is a filled, room temperature curing epoxy encapsulant; the epoxy's hardness can be adjusted by varying the amount of catalyst used; it has excellent shock and impact resistance. Cures with Catalyst 15, not included. 12 lb Gallon.
Emerson & Cuming 2741LV 12lb 2741LV BLACK 12LB GAL Epoxy STYCAST® 2741 LV STYCAST 2741 LV is a filled, room temperature curing epoxy encapsulant; the epoxy's hardness can be adjusted by varying the amount of catalyst used; it has excellent shock and impact resistance. Cures with Catalyst 15, not included. 12 lb Gallon.
Emerson & Cuming 2762 3lb 2762 BLK 3LB QT RESIN ONLY Epoxy STYCAST® 2762 STYCAST 2762 is a highly filled, high temperature, thermally conductive epoxy encapsulant; it has excellent chemical resistance, a low coefficient of thermal expansion and low shrinkage. Cures with either Catalyst 14, or 17M-1, not included. 3 lb Quart.
Emerson & Cuming 2762FT 3lb 2762FT BLK 3LB RESIN ONLY Epoxy STYCAST® 2762 FT STYCAST 2762 FT is a highly filled, high temperature, thermally conductive epoxy encapsulant; it has excellent chemical resistance, a low coefficient of thermal expansion and low shrinkage. It has a finer filler than the 2762. Cures with either Catalyst 14, 17, or 17M-1, not included. 3 lb Quart.
Emerson & Cuming 2850FT 18lb 2850FT BLACK 18 LB. GALLON Epoxy STYCAST® 2850 FT STYCAST 2850 FT is a two component, thermally conductive, epoxy encapsulant; it has a low coefficient of thermal expansion, excellent electrical insulative properties and can be used with a variety of catalysts. 18 lb Gallon.
Emerson & Cuming 2850FT 60lb 2850FT BLACK 60 LB. PAIL Epoxy STYCAST® 2850 FT STYCAST 2850 FT is a two component, thermally conductive, epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties.Cures with either Catalysts 9, 11, or 23LV, not included. 60 lb pail.
Emerson & Cuming 2850FT 3lb 2850FT BLK 3LB RESIN ONLY Epoxy STYCAST® 2850 FT STYCAST 2850 FT is a two component, thermally conductive, epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties.Cures with either Catalysts 9, 11, or 23LV, not included. 3 lb can.
Emerson & Cuming 2850FT 3lb 2850FT BLU 3LB RESIN ONLY Epoxy STYCAST® 2850 FT STYCAST 2850 FT is a two component, thermally conductive, epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties.Cures with either Catalysts 9, 11, or 23LV, not included. 3 lb can.
Sold as a case (12/case).
Emerson & Cuming 2850FT 18lb 2850FT BLUE 18 LB. GALLON Epoxy STYCAST® 2850 FT STYCAST 2850 FT is a two component, thermally conductive, epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties.Cures with either Catalysts 9, 11, or 23LV, not included. 18 lb Gallon.
Emerson & Cuming 2850FT FR 18lb 2850FT FR BLACK 18# GALLON Epoxy STYCAST® 2850 FT-FR STYCAST 2850 FT-FR is a two component, thermally conductive, fire retardant, epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties. Cures with either Catalysts 9 or 11, not included. 18 lb Gallon.
Sold as case (4/case).
Emerson & Cuming 2850FT-FR 60lb 2850FT-FR BLK 60# Epoxy STYCAST® 2850 FT-FR STYCAST 2850 FT-FR is a two component, thermally conductive, fire retardant, epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties. Cures with either Catalysts 9 or 11, not included. 60 lb pail.
Emerson & Cuming 2850GT 18lb 2850GT BLK 18LB GALLON Epoxy STYCAST® 2850 GT STYCAST 2850 GT is a two component, thermally conductive epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties. Cures with either Catalysts 9, 11, or 24LV, not included. 18 lb Gallon.
Sold as a case (4/case).
Emerson & Cuming 2850KT 3lb 2850KT BLU 3LB RESIN ONLY Epoxy STYCAST® 2850 KT STYCAST 2850 KT is a two component, thermally conductive epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties. Cures with either Catalysts 9, 11, or 24LV, not included. 3 lb can.
Emerson & Cuming 2850KT 20lb 2850KT BLUE 20 LB. GALLON Epoxy STYCAST® 2850 KT STYCAST 2850 KT is a two component, thermally conductive epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties. Cures with either Catalysts 9, 11, or 24LV, not included. 20 lb Gallon.
Emerson & Cuming 2850MT 18lb 2850MT BLUE 18 LB. GALLON Epoxy STYCAST® 2850 MT STYCAST 2850 MT is a two component, thermally conductive epoxy encapsulant; it has a low coefficient of thermal expansion and excellent electrical insulative properties. Cures with either Catalysts 9, 11, or 24LV, not included. 18 lb Gallon.
Emerson & Cuming 3050 12lb 3050 MAROON 12 LB. GALLON Epoxy STYCAST® 3050 STYCAST 3050 is a filled, very low viscosity, epoxy encapsulant resin and it is readily machinable. Cures with either Catalysts 9 or 11. 12 lb Gallon.
Emerson & Cuming 4952 3lb 4952 RED 3# QT Epoxy STYCAST® 4952 STYCAST 4952 is a flexible, RTV condensation cure, thermally conductive silicone rubber potting compound, it has excellent electrical properties and high temperature resistance. Cures with Catalyst 50, not included. 3 lb Quart.
Emerson & Cuming EFF-15 Gal EFF-15 GALLON Epoxy STYCAST® EFF 15 STYCAST EFF 15 is a one component, epoxy based, free flowing syntactic foam powder; it has very little shrinkage, excellent dielectric properties and is self-extinguishing. 1 Gallon.
Emerson & Cuming L-28 2lb L-28 2 LB QUART Epoxy STYCAST® L 28 STYCAST L 28 is an unfilled epoxy encapsulating and impregnating resin. Cures with either Catalyst 9, 11, or 24LV, not included. 2 lb Quart.
Emerson & Cuming W-19 8lb W-19 RED 8 LB. GALLON Epoxy STYCAST® W 19 STYCAST W 19 is an unfilled, 100% solids, epoxy impregnant; it can be used as a casting resin in small quantities (<25g) and can be cured using a variety of catalysts. Cures with either Catalysts 9 or 11, not included. 8 lb Gallon.

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Stycast Silicone Encapsulants
Part # Sub Category Name Description
Emerson & Cuming 5952 Part B 1lb 5952 PTA RED 1# QT Silicone STYCAST® 5952 Part A STYCAST 5952 is a filled, addition cured silicone encapsulant; it has good thermal conductivity, excellent electrical insulation properties, is non-corrosive and reversion resistant. 1 lb Quart.
Emerson & Cuming 5952 Part B 1lb 5952 PTB 1# QT Silicone STYCAST® 5952 Part B STYCAST 5952 is a filled, addition cured silicone encapsulant; it has good thermal conductivity, excellent electrical insulation properties, is non-corrosive and reversion resistant. 1 lb Quart.
Emerson & Cuming 5954 Part A 1lb 5954 PTA RED 1# QT Silicone STYCAST® 5954 Part A STYCAST 5954 is a highly filled, addition cured silicone encapsulant; it has high thermal conductivity, excellent electrical insulation properties, is non-corrosive and reversion resistant. 1 lb Quart.
Emerson & Cuming 5954 Part B 1lb 5954 PTB WHT 1# QT Silicone STYCAST® 5954 Part B STYCAST 5954 is a highly filled, addition cured silicone encapsulant; it has high thermal conductivity, excellent electrical insulation properties, is non-corrosive and reversion resistant. 1 lb Quart.


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