... , nylon or PE or PP for tube and diskSurface TreatmentZinc coating for screwDiameter2mm--5mmLength20mm--150mmColorWhite, ... petrochemical external wall insulation engineering, architectural wall reinforcement, and the construction industryCharacteristics: insulation nails is widely ... loaded, it has below characteristics: not easy to deformation, moistureproof, snubber, absorb noise and sound insulation ...