catalyst for rigid foams qg pc-5
hard foam catalyst
qg products product characteristics
qg pc-5 is widely used in all kinds of polyurethane rigid foam, including polyisocyanurate sheet rigid foam.
catalyst for rigid foams qg pc-5
hard foam catalyst
qg products product characteristics
qg pc-5 is widely used in all kinds of polyurethane rigid foam, including polyisocyanurate sheet rigid foam.