High strength silicone mold making rubber recommended for use with polyester or plaster and can be used with rigid and foam polyurethanes and epoxies. After mixing with its curing agent, SILASTIC™ RTV-4230-E Silicone Rubber becomes a pourable liquid capable of forming durable, flexible molds for producing parts with unusual configurations, severe undercuts and close tolerances.
Features
• Easy release
• High elongation
• Minimum shrinkage
• Long working time
• Heat-accelerable cure
• High strength
• Tear resistance
• Acceptable for food contact