HCFC-141b- based spray PU foams
The CFC-free polyol composition including polyether polyols, catalysts additives, and flame retardant formulated for rigid spray PU foam (SPF) system. The good reactivity with crude MDI makes product easy to handle and spray at the environment temperature higher than 5℃. The spray PU foam has excellent insulation properties, designed for cold storage, pipes, and coolers. It also contains sufficient flame retardant to reach excellent flame retardancy.