Poly 7430 Liquid Rubber (R) in a 10-gallon volume is a professional-grade RTV (Room Temperature Vulcanizing) silicone rubber designed for large-scale mold making and industrial applications. With excellent flow properties, low shrinkage, and high tear strength, this liquid rubber is ideal for capturing intricate detail in molds used for resin, concrete, plaster, wax, and low-melt metals.
Engineered for repeat-use molds, Poly 7430 offers a flexible yet durable finish that withstands frequent casting cycles without degrading. Its room-temperature curing process ensures ease of use and consistent results without the need for heat. Perfect for manufacturers, artists, and prototype designers, this product delivers performance you can count on for high-volume and high-detail projects.