Gougeon Brothers PRO-SET® XR28A~M2044 Fire Retardant Infusion Epoxy

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Gougeon Brothers PRO-SET® XR28A~M2044 Fire Retardant Infusion Epoxy
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Very low viscosity for rapid saturation of fiberglass, Kevlar® and carbon fiber laminate with resin infusion and VARTM processes. Medium speed hardener provides up to 150 minutes of pot life at 72°F (22°C). Optimized for hand wet out and machine impregnation in contact molding, vacuum bagging and filament winding applications. Room temperature cure properties suitable for many composite components and structures. Tg as high as 151°F (66°C) with proper post cure providing excellent temperature stability and great part cosmetics. Cost effective, high performance epoxy formulation for synthetic composite manufacturing. Quality-control tinting is available at no extra charge; simply add "QC" after the product code on your order. Information provided by Gougeon Brothers, Inc.
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Physical Properties	Original Value	Comments

Viscosity	290 cP	Mixed; ASTM D2196

Mechanical Properties	Original Value	Comments
Hardness, Shore D	83 @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	ASTM D2240
	84 @Treatment Temp. 60.0 °C, Time 28800 sec	RT Gelation; ASTM D2240
Tensile Strength	6680 psi @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	ASTM D638
	7390 psi @Treatment Temp. 60.0 °C, Time 28800 sec	RT Gelation; ASTM D638
Elongation at Break	2.7 % @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	ASTM D638
	3.0 % @Treatment Temp. 60.0 °C, Time 28800 sec	RT Gelation; ASTM D638
Tensile Modulus	406000 psi	ASTM D638
	414000 psi	RT Gelation; ASTM D638
Flexural Strength	11800 psi @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	ASTM D790
	12900 psi @Treatment Temp. 60.0 °C, Time 28800 sec	RT Gelation; ASTM D790
Flexural Modulus	362000 psi @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	ASTM D790
	391000 psi @Treatment Temp. 60.0 °C, Time 28800 sec	RT Gelation; ASTM D790
Compressive Yield Strength	11800 psi @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	ASTM D695
	12300 psi @Treatment Temp. 60.0 °C, Time 28800 sec	RT Gelation; ASTM D695

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	116 °F @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	ASTM D648
	118 °F @Treatment Temp. 60.0 °C, Time 28800 sec	RT Gelation; ASTM D648
Glass Transition Temp, Tg	138 °F	ASTM E1356
	119 °F @Treatment Temp. 60.0 °C, Time 28800 sec	DSC Onset– 1st Heat, RT Gelation; ASTM E1356
	121 °F @Treatment Temp. 22.0 °C, Time 1.21e+6 sec	DSC Onset– 1st Heat, RT Gelation; ASTM E1356

Processing Properties	Original Value	Comments
Pot Life	135 - 165 min @Load 0.100 kg
Shelf Life	24.0 Month	hardener
	36.0 Month	resin

Descriptive Properties
Mix ratio	100:27.0	Weight, Resin: Hardener
	100:32.0	Volume, Resin: Hardener
	3.13:1	Volume, Resin: Hardener
	3.70:1	Weight, Resin: Hardener

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PGOUGP936 / 290779

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