TinSil 80-15 is part of a new series of tin-cured silicone mold rubbers from Polytek that are designed to offer reduced shrinkage upon cure and during casting, longer storage/library life once cured and longer useable mold life.
TinSil 80-15 is a 1A:10B mix ratio tin silicone with a soft, A~15 hardness and a tough, snappy, high-tear cure. The highest performance materials and processes have been used to develop this next-generation tin silicone for the most demanding casting applications.
TinSil 80-15 can be poured as supplied or thickened with TinThix liquid additive.
As with other Polytek silicone mold rubbers, TinSil 80-30 can be used to cast all media without release agents.
Mix Ratio: 1A:10B (Scale Required)
Durometer: 15 Shore A
Working Time: 30 Minutes
Demold Time (hr) @ 77ºF : 24 Hours
Shrinkage Upon Cure (%): ~0.2
Use TinSil FastCat in place of any TinSil Part A to accelerate cure and shorten demold time.
This Kit contains - 4 lbs of Catalyst Part A and 40 lbs of Base Part B.
Technical Data: Datasheet - MSDS: Part A - Part B Physical Properties