Place of Origin:Hebei,China (Mainland) Brand Name:xxdyes Model Number:1220x3000mm color:white, grey, green etc. thickness:3-30mm size:4'x8', 4'x10',4'x9' etc Packaging & Delivery Packaging Detail: Wood pallets, plastic sheets, plastic strap Delivery Detail: 20days after prepayment Specifications Glass magnesium oxide board has many advantages, such as waterproof, fireproof, light weight, green etc Fireproof Magnesium oxide boards (Mgo Board) Composition: It is made of magnesium oxide, magnesium chloride, fiberglass mesh, perlite, saw dust, etc. Main features : 1.fireproof: It reaches the standard of GB8624, CLASS A, British standard 476: part7:1997, and part 4:1970 class one surface spread of flame, and non-combustible class 2.waterproof: It can keep its shape and character after soaking in water for a few days. 3.Soundproof and heat preservation 4.No asbestos 5.Environmental protection: It is totally 100% green boards 6.Easy to install: It can be treated in the way of sawing, planning, drilling, nailing and cutting etc.