Perlite is a naturally occurring siliceous colcanic glass lava containing combined water, falling into the category of igneous rock. The distinguishing feature which sets perlite apart from other....
Shijiazhuang Eternal Building Materials Co. Ltd , lies in Lingshou County which belongs to Shijiazhuang City Hebei province, only 240km to Beijing, and 320km to Tianjin Port, so it is very....
density of the expanded vermiculite is about 100-130kg/ m3, they have small air separation layer, so they are good construction materials of heat preservation, thermal insulation sound absorption, and....