... , ISO........) Magnesium oxide board, Glass Magnesium board, Thermal Insulation Materials, Glass fiber ceiling board, fireproof board, new style board, new style building material board.Specifications:1) Sizes ... finishingFeatures: 1) Fireproof and waterproof2) Incombustible: A grade, GB8624 3) Density: 230-250kg/m³ 4)density of the fiberglass mesh 4x4mm, 6x6mm ...