Poly 75-60 Liquid Rubber

poly-75-60Poly 75-60 liquid rubber is a low-viscosity liquid polyurethane rubber with a 1A:1B mix ratio and short working time (10 min).

Molds made with Poly 75-60 rubber are widely used for plaster casting and concrete casting, including the making of products such as concrete countertops and sinks, precast architectural panels, sound barriers, fences, pavers, slabs, patio stones, retaining wall block and for all other types of cast stone and GFRC applications. Other casting materials include wax and limited resins.

Poly 75-60 molds have high abrasion resistance and long mold life.


Mix Ratio Shore Hardness Pour Time Cured Color Mixed Viscosity Specific Volume Demold Time
1A:1B A60 10 min. Amber 1,200 cP 27 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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