Create flexible, durable, and highly detailed molds with this 500g Silicone Rubber Kit. Featuring a 100A:3B mixing ratio by weight, it is ideal for resin casting, candle molds, soap molds, gypsum, plaster, and DIY craft projects. The low-viscosity formula mixes easily, captures fine details, and cures in approximately 8–10 hours to produce a strong, tear-resistant white silicone mold.