... PU molds. Etc. P series good for pouring mold makingBase and Curing Agent Mixture(100:2 by weight ... especially with porous substrates, please use a suitable mold release agent such as soap water, detergent, Vaseline ... mixing ratio or room temperature),we advice you de-mold after 24 hours ,it is will improve ... the replicate times of silicone mold.Packing20kg/drum,25kg/drum or 200kg/drum of ...