glasswool pipe 1 CE certificate 2 Grade A1 fireproof 3 moisture-proof 4 heat insulation,Sound absorption Description:glass wool is made by adopting unique centrifugal technology and adding environmental adhesives of thermosetting resins-based into molten glass fibrosis. It is a kind of elastic glass fiber product made of glass fiber with diameter of only a few microns, and we can also choose ...
