Aluminum Foil Scrim Kraft FacingProduct Description:Structure:aluminum foil/polyethylene//3-way scrim/kraft paperSpecification:width(mm)100/120/125/130length(m)100/200/300 1±Norm:85g/square meterWater vapor penetration:2.0ng/NS ASTM E96-ATensile strength:Endwise:114N/25mm Broadwise:36N/25mm GB/T453Bursing strength: 87N Q/320281NPB02 Temperature resistance:4 hours no decladding -40 celsius degree/90 celsius degree ASTM C1263