Bulk density is one of the parameters of many performance indicators of rock wool board, and this parameter is very important. The size of the volume weight is directly related to the physical properties and thermal insulation effect of the rock woo

Glass wool is a kind of multi-functional material that can not only keep heat and insulation, but also absorb sound and sound insulation, which has been widely praised by the building materials market. As people pay more and more attention to the qu

With the improvement of people's awareness of environmental protection, more and more attention has been paid to the selection and utilization of materials. Among various materials, closed-cell foamed rubber and plastic sponges have attracted mu

Fire smoke exhaust pipe is a very important part of the building fire system, it plays a vital role in the fire. Fire protection and heat insulation is one of the key links to ensure the normal operation of fire exhaust pipe. So, what is the role of