The Strong-Enviro Board multifunctional fire-resistant board is composed mainly of an MgO finishing coat, MgO middle layer with Perlite Rock (a sound barrier) and MgO bottom layer which are all inorganic materials. Platinum glass-fiber mesh is laid between every two layers respectively to form a strong, durable board. The non-uniform structure is shown below in Fig. 1.1

Fig. 1.1 STRONG-ENVIRO BOARD Composition

Fig. 1.2 STRONG-ENVIRO BOARD