... has two groups, which are OPP and PE sealing tape. OPP series can be used for PE bags; PE series can be used for PP ... and OPP bags Construction Backing(release film): Silicone coated polyethylene films ( HDPE )+ class Polyester films or mylar fiil ( pet ) Adhesive: Solvent ... : 9mm, 10mm, 12mm, 14mm, 15mm, 17mm, 18mm, 20mm, 25mm, 30mm Length: 1000m, 1500m, 5000m, 8000m, 10000m Core ID: 76.2mm, 152 ...