Poly 75-75 Liquid Rubber

poly-75-75Poly 75-75 is a 2A:1B mix ratio, liquid polyurethane rubber. It is often used to make firm, durable molds, liners, and stamping and texture mats for forming and texturing concrete. These molds feature high tensile strength, tear strength, and elongation.

Typical applications include the making of concrete retaining wall blocks, sound barriers, architectural panels, decorative countertops, fences, slabs, pavers, and more.

Poly 75-75 molds can also be used to cast plaster, wax, and limited resins and foams with the proper release agents. This rubber has high abrasion resistance and long mold life for high volume casting operations.



Mix Ratio Shore Hardness Pour Time Cured Color Mixed Viscosity Specific Volume Demold Time
2A:1B A75 20 min. Amber 4,000 cP 26 in³/lb ~16 hr.
Accessories: 74/75 Part C Softener, 74/75 Part X Accelerator, PolyFiber II Thickening Agent, UV Additive, Tietex® Fabric, Poly Purge Aerosol Dry Gas


Product Literature: Technical Bulletin | Safety Data Sheets | Physical Properties Bulletin | Sealers & Release Agents Selection Guide

Video Tutorials: For 75-Series video tutorials, visit the 75-Series page or the Polytek YouTube Channel.


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