System houses and distributors, please feel free to contact us. We offer PU foam/polyols additives as follow: No.Brand Trade name Catalog 1 HBL(R) TCPP Flame retardants 2 HBL(R) TCEP FR 3 HBL(R) DMCHA Catalyst 4 HBL(R) J-1 Catalyst 5 HBL(R) HCFC-141b Blowing agent 6 Bayer(R) 44v20 MDI 7 HBL(R) Hxxx Base polyols