Formlastic™ 60 urethane is a durable mold rubber made for production casting of concrete. It features a low viscosity for easy mixing and pouring and cures with minimal bubble entrapment. Mix ratio is 1A:1B by volume, pot life is 40 minutes and the rubber cures with an ultimate Shore hardness of Shore 60A. Cured rubber is dimensionally stable (low shrinkage), offers good wear resistance and will render color accurate concrete castings.Information provided by Reynolds Advanced Materials |