... and aging resistance, and water vapor resistance Aluminum Foil Tape Features:1) Foil scrim-kraft facing, coated with aggressive solvent-based acrylic ... facing in air-conditioning duct worktechnical data Bottom materialAluminum foil(mm)ThicknessT±0.03mm)WidthW±0.5(m)LengthL ... adhesion(N/25mm)≥18NHolding power(h)≥48hheal resistance32#Specifications:1) Foil scrim-kraft facing: 120μ2) Roll width: 48, 50, ...