... thermal insulation, waterproof building, crack, etc.Alkali fiberglass mesh is the major of fiberglass mesh, whice was crossing weaved with non-alkali glass ... , light weight.4, size stability, dull color.gives, level off, not easy contraction deformation,5, impact resistance is better. ( ... requirementsLoading quantity80000-150000 square meters per 40’ container Alkali Fiberglass Mesh (4x4, 5x5mesh)