Silicone rubber for building decoration mould making applications Silicone rubber for building decoration mould making is primarily intended for poly resin crafts, pu crafts, pu resin crafts ing agent depends on the actual requirements of the customer. If molds requiring fast drying and demould, more curing agent is needed; contrarily, if molds requiring slower drying and demould, less curing agent is needed. Ase contact with mr andy: