... 4.yarn type:c-glass 5.alkali contant;medium Firberglass self-adhesive mesh tape is made of high quality fiberglass, and it has ... and outer wall insulation, water proof and wall strengthening This tape is widely used in joining plaster plates, mending drywall cracks ... better, and requires no pasting or stapling. It won’t tear, shrink, stretch or bubble, while it hides joints, cracks and ...