Resin Crafts Mold Making Liquid Silicone Rubber RTV2 Tin Cured Platinum Silicon Rubber. Food Grade Safety: Non-hazardous and food-grade certified for safe use in food mold making. Low Shrinkage Rate: Features very tiny shrinkage for high-precision duplication of concrete blocks. High Durability: Excellent resistance to deformation with good tensile and tear strength. Versatile Applications: Suitable for life casting, jewelry, rapid prototyping, and electronic potting. Custom Packaging: Available in 1kg, 5kg, 20kg, 25kg drums with customized service options. Fast Delivery: Regular delivery within 3-5 days after payment receipt. Certified Quality: Verified by SGS, MSDS, ROHS, and FDA certificates. High Production Capacity: Monthly output exceeds 500 tons with 5 factories and 50,000 sqm space.