Glass wool board
Quartz sand, limestone, dolomite and other natural ore as the main raw material, with some soda, borax and other chemicals into the glass melt. In the molten state, by means of external standard blow thrown into floc fine fibers, fiber, interchange between, intertwined with each other, showing many of the small gap. This gap can be regarded as void. Thus, glass wool can be regarded as porous materials with good thermal insulation, sound absorption performance.