What is semi-rigid glass wool board
Glass wool is a glass wool felt made by melting the glass after being melted by adding a binder, and the diameter of the glass wool fiber depends on the centrifugal extrusion technique
Commonly used in roofing, the density of about 120-150kg / m?.
Semi-rigid glass wool is a high-density glass wool, is made in the ordinary glass wool on the basis of processing packaging
What is semi-rigid glass wool board