Shenzhen Hanast New Material Co., Ltd. is a premier China manufacturer specializing in custom OEM platinum cure silicone rubber formulations. With our 40,000-square-meter modern production base and over a decade of R&D expertise, we supply high-performance addition cure silicone rubber to factories, mold makers, and industrial buyers worldwide.

This FDA grade two-component platinum catalyzed RTV silicone rubber features the industry-standard 1:1 equal-part mixing ratio and exceptional 15-17 N/mm high tear strength, making it the ideal choice for professional mold making applications demanding durability and precision. Available in custom hardness formulations from 0 to 60 Shore A, with bulk wholesale pricing and free evaluation samples upon request.

• Effortless 1:1 Mix Ratio — Simple equal-part A:B mixing eliminates complex calculations and reduces operator error, ensuring consistent batch results every cycle
• Exceptional Tear Resistance 25 N/mm — Industry-leading tear strength extends mold service life by 2-3x compared to standard tin-cure silicones, delivering more demolding cycles
• Customizable Hardness 0-60 Shore A — Adjustable hardness range allows tailoring from ultra-soft to semi-rigid for different mold applications, custom formulations available
• FDA Grade & Medical-Grade Compliant — Platinum-catalyzed curing system generates no byproducts, meets FDA food contact and ISO 10993 medical-grade compliance standards
• High Transparency — Translucent formulation enables easy visual monitoring of mold quality and allows color pigmentation per customer requirements
• Superior Tensile Strength 3.8-4.0 Mpa — Prevents mold tearing during demolding of complex geometries and deep undercuts
• Excellent Self-Releasing Properties — Minimizes the need for additional mold release agents, reducing production steps and operating costs
• Extended Working Time 30-40 min — Generous pot life provides ample time for mixing, degassing, and pouring into complex mold cavities
• Ultra-Low Shrinkage ≤0.1% — Ensures precise mold reproduction and superior dimensional accuracy for critical applications

• Resin Mold Making — Ideal for crafting detailed resin molds including jewelry, coasters, and decorative items
• Cake & Food Molds — Perfect for baking and confectionery molds with FDA-grade certification
• Candle & Soap Molds — Excellent reproduction of fine surface details for artisan candle and soap making
• Gypsum & Plaster Molds — Durable molds for architectural decoration and ornamental casting
• Industrial Prototyping — Quick mold production for product development and short-run manufacturing
• Carbon Fiber & Composite Molding — Suitable for prepreg and wet-layup composite part production
• Concrete & Architectural Casting — High-durability molds for large-scale concrete elements and cultural stone

As a direct factory manufacturer, we offer flexible OEM/ODM custom formulation services tailored to your specific application requirements. Whether you need adjusted hardness, viscosity, working time, or color, our R&D team delivers formulation samples within 3-5 working days.

• Bulk Wholesale Supply — 500Kg monthly capacity ensures reliable, on-time delivery
• Free Evaluation Samples — Test before you commit with complimentary samples shipped worldwide
• Custom Packaging — Branded packaging and private labeling available for OEM partners
• Technical Support — Comprehensive MSDS, TDS, and application guidance provided with every order
• Global Export Ready — RoHS, REACH, FDA compliant documentation for smooth customs clearance