Fire restant board use desulfurized high-purity gypsum powder as material ,mixed with fire resistant materials and fire resistant fibers to make board core. Is mhe ade up of specially treated and crystal water gypsum materrials,which determines that the beginting peria when it maets fire, before the crystal water in the board core fully comes out and vapors up,the temperature at the board surface cannot exceed 140C

Specification:

Length(mm)         width (mm)      Thickness(mm)

2400                    1200                 12

2400                     1200                12.7/

2440                      1220                15

2440                       1200               15.9

We can offer other size of productions on your requst.