Gougeon Brothers Entropy Resins® CPS High Bio-Content, General Purpose Liquid Epoxy Resin

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Gougeon Brothers Entropy Resins® CPS High Bio-Content, General Purpose Liquid Epoxy Resin
Categories:	Polymer; Renewable/Recycled Polymer; Thermoset; Epoxy
Material Notes:	High Bio-Content, General Purpose Liquid Epoxy Resin Product Overview: CPM is a compression molding resin for fast cycle times in heat-assisted molding processes of fiber-reinforced composites. The CPM System delivers a high bio-content, excellent fiber wetting qualities, and thixotropic characteristics to limit sag in high-temperature cure applications. A high modulus combined with excellent elongation properties enable durable yet lightweight composite parts. CPM is a USDA Certified BioPreferred® Product with 30% biobased content Information provided by Gougeon Brothers, Inc.
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Physical Properties	Original Value	Comments

Density	0.960 g/cc	hardener
	1.08 g/cc	mixed
	1.13 g/cc	resin
Volatile Organic Compounds (VOC) Content	2.18 g/l	ASTM D2369
Viscosity	530 cP	B
	1600 cP	A
	1600 cP	Mixed

Mechanical Properties	Original Value	Comments
Hardness, Shore D	70 - 80
Tensile Strength	8990 psi	ASTM D638
Elongation at Break	6.0 %	ASTM D638
Tensile Modulus	436000 psi	ASTM D638
Flexural Strength	13450 psi	ASTM D790
Flexural Modulus	412510 psi	ASTM D790
Compressive Strength	11410 psi	ASTM D695

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	158 °F	DSC, midpoint

Processing Properties	Original Value	Comments
Pot Life	50.0 min
	40.0 min @Temperature >=82.0 °C

Descriptive Properties
Mix ratio	100:42	Weight
	2:1	Volume
Mixed Biobased Carbon Content (%)	33	ASTM D6866

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