Reynolds VytaFlex® 45 Liquid Urethane Rubbers

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Reynolds VytaFlex® 45 Liquid Urethane Rubbers
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Liquid
Material Notes:	Product Overview: Using Smooth-On’s exclusive “V-Polymer™” technology, VytaFlex™ urethane rubbers offer superior physical and performance properties for casting concrete. VytaFlex™ urethanes are available in 10A, 20A, 30A, 40A, 45A, 50A and 60A Shore hardnesses and feature convenient one-to-one by volume mix ratios. Vacuum degassing is not necessary and VytaFlex™ rubbers cure with negligible shrinkage to a durable rubber that will last in production. VytaFlex™ mold rubbers work especially well for casting pigmented / colored concrete. Molds made with VytaFlex™ Series urethanes will render accurate and uniform colored castings. Information provided by Reynolds Advanced Materials
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Physical Properties	Original Value	Comments

Specific Gravity	1.04 g/cc	ASTM D-1475
Viscosity	2000 cP	Mixed; ASTM D-2393
Linear Mold Shrinkage	<= 0.0010 in/in

Mechanical Properties	Original Value	Comments
Hardness, Shore A	45	ASTM D-2240
Tensile Strength	886 psi	ASTM D-412
Elongation at Break	900 %	ASTM D-412
100% Modulus	116 psi	ASTM D-412
Tear Strength	100 pli	Die C; ASTM D-624

Processing Properties	Original Value	Comments
Cure Time	16.0 hour	Overnight
Pot Life	30.0 min	ASTM D-2471

Descriptive Properties
Color	Off-White
Mix Ratio	1A:1B	by volume
	1A:1B	by weight
Specific Volume	26.4	[cu. in./lb.]

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PREYN065 / 296766

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