jual glasswool surabaya for Dummies
When serrated grating is specified, the bearing bar depth have to be one/4 inch increased compared to measurements revealed on the load tables to deliver the equal toughness of non-serrated gratings. Glasswool atau isolasi fiberglass dibuat dari kaca meleleh dipintal menjadi tikar fleksibel atau serat halus. Biasanya dijual ke pasar di Batts atau