... 4.yarn type:c-glass 5.alkali contant;medium Firberglass self-adhesive mesh tape is made of high quality fiberglass, and it has highperformance ... and outer wall insulation, water proof and wall strengthening This tape is widely used in joining plaster plates, mending drywall cracks ... , while it hides joints, cracks and holes permanently. desciption:1.Mesh Size:2.85x2.85mm(9x9) , 3.2x3.2mm8x8,2.5 ...