A Closer Look at TBB A2 Grade Composite Flame Retardant Board
2025-11-04
What is A2-grade composite flame-retardant board? 01 Flame-retardant board (also known as fire-retardant plywood) is typically made by rotary cutting logs into wood chips or planing timber into small blocks, treating the wood chips with flame retardant, and then gluing them together with adhesives. It is usually made with an odd number of wood chips, with the fiber directions of adjacent...