Concrete Mold Making & Casting
Professionals in concrete casting worldwide recognize CREKEM liquid rubber products as the gold standard for creating durable rubber molds. These molds offer the abrasion resistance and tear strength necessary to maintain efficient production. Casting concrete into molds made with CREKEM rubber ensures flawless replicas of any original, every single time! Craft your own concrete molds, forms, textures, and stamping mats with ease.
How to Choose the Right Liquid Rubber Mateirals for Silicone Concrete Molds
| Properties | Tin Silicone | Platinum Silicone | Polyurethane |
|---|---|---|---|
| Type | RTV-2 | RTV-2 | Polyester |
| Hardness ( shore A ) | 20-40 A | 30-40 A | 40-50 A |
| Tensile Strength | 3-5 MPA | 3-5 MPA | 25-35 MPA |
| Shrinkage | 0.3~0.5% | 0.1% | 0.1% |
| Melting Point (°C) | -50 °C to 230 °C | -50 °C to 230 °C | -50 °C to 80 °C |
| Abrasion Resistance | Poor | Poor | Excellent |
| Heat Resistance | Good | Excellent | Poor |
| Economical | Low Cost | High Cost | Low Cost |
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