... to CFC and HCFC blowing agent, used for foaming in ice-box, panel, polyurethane refrigerant R245fa 1. purity 99.6% 2 ... CFC and HCFC blowing agent, used for foaming in ice-box, panel, polyurethane adiabatic material.Hangzhou Osking Import&Export Co., ... the requirements from importers and exporters. With wonderful integration of Made-in-China resources, we provide one-stop service, including raw material ...