Vermiculite board Made from vermiculite. The board has following advantages: 1. innocuous; 2. rainproof; 3. insulative and mothproof; 4. easy machine. We have two kinds of vermiculite board: VB002A with much more glue. The board is very hard and strong.Made fromlitle vermiculite poeder. Good-looking and smooth surface, high temp resistance ability is less than VB002B Max working temp: 1100C Continuous working temp: less than 1000C VB002B Made from big vermiculite powder with a kind of additive, with little glue. Soft than VB002A board. rough surface, but has better high temp resistance ability than VB002A. And it can't transforme under high temp Max working temp: 1200C Continuous working temp:1000C Density:350-700kg/m3 Size(LXW):2440x1220mm, 2100x900mm,1200x1100mm;1100x900mm Thickness: 10mm,12mm, 20mm, 25mm,29mm,38mm,45mm