VytaFlex 20

Unit Size	Net Weight
Pint Kit	2 lb
Gallon Kit	16 lb
Five Gallon Kit	80 lb

VytaFlex 20 Polyurethane rubber. VytaFlex¨ mold rubbers work especially well for casting pigmented / colored concrete. Molds made with VytaFlex¨ Series urethanes will render accurate and uniform colored castings.
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, 50A and 60A Shore hardness's 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 can also be used for a variety of applications including making molds for making special effects, toys and prototypes. Vibrant colors can be achieved by adding So-Strong¨ Color Tints, available from Smooth-On. Want to cast gypsum or wax? Our ReoFlex¨ line of urethane rubbers offers better release properties for casting plaster and wax.PropertiesTechnical Properties

Mix Ratio by Weight	1A:1B
Mix Ratio by Volume	1A:1B
Pot Life	30 minutes
Cure Time	16 hours
Color	Clear Amber
Shore Hardness	20A
Mixed Viscosity	1,000 cps
Specific Volume	27.7 cu. in./lb.
Specific Gravity	1.00g/cc
Tensile Strength	200 psi
100% Modulus	50 psi
Elongation @ Break	1000%
Die C Tear Strength	60 pli

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Documentation

Technical Bulletin

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