This video explains the main functions and practical uses of RUI-HE 6250-30MJS® platinum-cured RTV-2 liquid silicone rubber for mold making in a clear, step-by-step format. You'll see how this high-strength silicone creates durable molds for concrete, gypsum, and decorative products, learn about its mixing ratio and curing process, and discover its key advantages including low shrinkage, temperature resistance, and FDA certification.