PT Flex 70 Liquid Rubber

Price:	$149.00

PT Flex 70 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow/amber, Shore A70 rubber. 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).

View all PT Flex Liquid Rubbers.

FOR INDUSTRIAL/PROFESSIONAL USE ONLY.

Select a Size:

Quantity

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Looking for larger sizes (e.g., drum kits)? Please contact Customer Service at 800-858-5990 or [email protected]

This 16-lb kit includes:
8 lb of PT Flex 70 Part A (~1 gallon)
8 lb of PT Flex 70 Part B (~1 gallon)

Specifications & Product Information

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	A70	4 min.	Yellow/Amber	700 cP	26.4 in³/lb	~2 hr at room temp.	0.0046 in/in	730 psi	130 pli

Notes:

The color of polyurethane Part Bs may change in color from batch to batch or with time, but product performance is not affected. For additional physical property specifications, refer to the Physical Properties Bulletin.

Product Literature

PT Flex Series Technical Bulletin

Physical Properties Bulletin

Safety Data Sheet - Part A

Safety Data Sheet - Part B

Accessories

Liquid dyes for coloring Polytek polyurethane liquid rubber and plastic products.
8 color options.

PolyColor Dyes

Add PolyFiber II to Polytek^® liquid polyurethane plastics or rubbers to thicken for brush-on application or to make mold shells.

PolyFiber II Thickener

Poly 74/75 Part C Softener is an additive that can be added to liquid polyurethane rubbers to reduce their mixed viscosity and to soften the cured rubber.

Poly 74/75 Part C Softener

A silicone-based, aerosol spray release agent for use on non-porous or sealed models when making polyurethane rubber molds.
Not recommended for use with silicone mold rubbers.
Also apply to cured polyurethane molds when casting a variety of materials, including polyurethane liquid plastics, rubber and epoxies.

Pol-Ease^® 2300 Release Agent

Add UV Additive to liquid polyurethane rubbers and plastics to improve exterior durability and reduce surface degradation caused by sunlight or other UV light sources.

UV Additive

Spray PolyPurge dry gas into open containers of liquid polyurethane products just before resealing the lid.
PolyPurge displaces moist air, thus extending the life of the liquid product.

PolyPurge Dry Aerosol Gas

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PT Flex 70 Liquid Rubber