Water-Based,Silicone-Based.A concentrated formula optimized torelease polyisocyanurate insulation.P229 can be diluted with water and isformulated to eliminate the need foredge trim. Non-flammable. Simplyapply to side plates or mold surfacesto let insulation board or parts releasequickly and easily. Prevents stickingso you can make more high qualityparts - every hour, every shift, everyday. This product contains materialsthat can settle during storage anduse. Agitation before and during useis recommended. Best results areachieved by applying a thin coatingusing a spray system.