The product is woven into mesh with fiberglass and coated with anti-alkaline resin. It is very strong, self-adhesive, dimensionally stable and corrosion resistant. This tape is used in mending drywall cracks, piecing together and making up different kinds of plates. It can make them join faster and require no pasting or stapling. It is not easy to be torn or shrink, and it can hide joints, cracks and holes permanently.