hard foam catalyst qg pc-5
| hard foam catalyst | |
| qg products | product features |
| qg pc-5 | widely used in various polyurethane rigid foams, including polyisocyanurate sheet rigid foam |
hard foam catalyst qg pc-5
| hard foam catalyst | |
| qg products | product features |
| qg pc-5 | widely used in various polyurethane rigid foams, including polyisocyanurate sheet rigid foam |