Polytek PT Flex 20 Gallon Kit (16lb)

$149.00
Availability: In stock (2)

PT Flex 20 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a tan, Shore A20 rubber. This is the softest rubber in the PT Flex line of polyurethane mold rubbers. PT Flex Series rubbers were specifically designed for prototyping and model making applications and offer fast pour times (~4 minutes) and fast demold times (~2 hours).

Mix Ratio

Shore Hardness

Pour Time

Cured Color

Mixed Viscosity

Specific Volume

Demold Time

Shrinkage upon Cure

Tensile Strength

Tear Strength

1A:1B by weight

A20

4 min.

Tan

520 cP

27.5 in³/lb

~2 hr at room temp.

0.0050 in/in

250 psi

50 pli

Notes: 
Shake or Stir Part B before use. The color of polyurethane Part Bs may change in color from batch to batch or may darken with age, but product performance is not affected. For additional physical property specifications, refer to the Physical Properties Bulletin.
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