Poly 74 Part C Softener - 1lb
Poly 74 Series Part C is an additive that can be added to the liquid 74 Series and 75 Series polyurethane rubbers to reduce the Shore A hardness and to lower mixed viscosity.
Add Poly 74 Part C Softener to Poly 74, 75 and 77 Series liquid polyurethane rubbers to reduce their mixed viscosity and to soften the cured rubber. Also works with the PT Flex Casting Rubbers.
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