Silastic™ M - 4136 Kit (Base + Curing Agent) - Platinum Cure, Food Safe

Silastic™ M-4136 is a high-performance, two-part liquid silicone rubber designed for demanding mould-making applications. Whether you are working on prototyping, architectural models, or intricate furniture components, this kit provides the professional-grade reliability required for high-detail reproduction. The shelf life of Silastic M - 4136 is 12 months from opening (when kept in a cool, dry area) Why Choose Silastic™ M-4136? Exceptional Versatility: Specifically formulated for compatibility with a wide range of materials, including rigid and foam polyurethanes, polyester, and other reactive casting resins. This silicone features outstanding release properties and high inhibition-resistance, making it easier to work with. Precision & Durability: Offers high hardness (Shore A 59) and medium tear resistance, ensuring your moulds withstand repeated use while maintaining excellent dimensional stability and very low shrinkage (<0.1%). Flexible Curing Options: The material cures at room temperature within 16 hours, or the process can be heat-accelerated for faster turnaround times. User-Friendly Application: Supplied as a pourable fluid with a simple 10:1 mix ratio. Food-Safe: This product is compliant with FDA reference 21 CFR 177.2600 for rubber articles intended for repeated food contact use. Technical Highlights Feature Specification Durometer Hardness 59 Shore A Tensile Strength 4.5 MPa (650 psi) Tear Strength 16 kN/m (90 ppi) Working Time 60 minutes Cure Time (Room Temp) 16 hours