VIP core materials - This product is made of micro glass fibers by wet process. It is characterized by light weight, low thermal conductivity, good flexibility, innocuity, noncombustibility, imputrescibility, aging resistance, stable chemical property and no contamination. This product is soft in texture, good at hand feel, easy to cut and for construction, applicable to the area with space restrictions and higher visual appearance requirement. It proves to be a kind of new high-grade material ideal for thermal insulation and sound absorption. The product is mainly used as the core of vacuum insulated panels.