Polytek FormRub 65 Liquid Rubbers

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Polytek FormRub 65 Liquid Rubbers
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Description: FormRub Series Liquid Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to fl exible rubber. Molds made with FormRub are excellent for casting concrete, plaster and wax. In addition, when coated with a proper release agent, FormRub molds can be used to cast various resins and foams. FormRub Liquid Rubbers are formulated for good economy with high performance and durability. Product Line Features: Soft to firm, flexible mold rubbers Low viscosity Ideal for demanding, high-production casting and forming of concrete Dimensionally stable and abrasion resistant – molds can last years 1A:1B mix ratios Information provided by Polytek
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Physical Properties	Original Value	Comments

Specific Gravity	1.04 g/cc
Viscosity	1500 cP	Mixed

Mechanical Properties	Original Value	Comments
Hardness, Shore A	65
Tensile Strength	500 psi
Elongation at Break	600 %
Tear Strength	150 pli	Die C Tear

Processing Properties	Original Value	Comments
Cure Time	16.0 hour	Demold Time
	35.0 min	Pour Time

Descriptive Properties
Cured Color	Clear Yellow/Amber
Mix Ratio By Weight	1A:1B
Specific Volume	26.6 in3/lb

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PPTK5059 / 251051

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