qiguang special additive hardener qg fh-300
| qiguang special additive | |
| qg products | product features |
| hardening agent | it is a low viscosity additive specially designed to enhance the load-bearing capacity of foam and the firmness of flame composite foam. it can increase foam hardness, improve tensile properties, and has a cooling effect in large blocks |
| qg fh-300 |
