Based on the identifier , this refers to a specific type of chemical hardener/activator used in the refractory and foundry industries, specifically for Phenolic Urethane No-Bake (PUNB) sand casting systems. Fhdarchivehmn637 | 2mp4
Based on the identifier , this refers to a specific type of chemical hardener/activator used in the refractory and foundry industries, specifically for Phenolic Urethane No-Bake (PUNB) sand casting systems. Fhdarchivehmn637 | 2mp4