TinSil® 80-15 Silicone Rubber

tinsil-80-15TinSil® 80-15 is a 1A:10B mix ratio, tin-cured silicone with a soft hardness and a tough, snappy, high-tear cure.

Molds made from TinSil 80-30 are often used for casting polyurethane, epoxy and polyester resin, as well as foam, wax, soap, plaster, and more. Release agent is not required for most casting applications.

This rubber can be poured as is, or can be thickened with TinThix liquid thickening agent for brush-on molds.



Mix Ratio Shore Hardness Pour Time Cured Color Mixed Viscosity Specific Volume Demold Time
1A:10B A15 30 min. Peach 12,000 cP 25.3 in³/lb 24 hr.
Accessories: TinThix Liquid ThickenerSilicone Fluid 50csTinSil FastCat Accelerator


Product Literature: Technical Bulletin | Safety Data Sheets | Physical Properties Bulletin | Sealer & Release Agent Selection Guide

Video Tutorials: For TinSil 80-Series video tutorials, visit the TinSil 80-Series page or the Polytek YouTube Channel.


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