More details, please contact us by: Whatsapp: +8615901747869 Email: aaron.zhang@upassfilm.com web: www.upassfilm.com It is a PE release liner, embossed treatment, embossed with regular corrugated stripes at machine direction. It is used for bituminous/asphalt membranes, butyl based adhesive tapes, release material for self-adhesive products. Material: HDPE (High density polyethylene) Thickness: 0.035mm-0.05mm Width: 500-1100mm Color: Black, Grey, White, Green, Blue, ect.