轻离型离型膜、中离型离型膜、重离型离型膜。5G,10G,15G,20G,25G,30G,35G,40G,45G,50G,60G,70G,80G,90,100G,120G,150G,160G,200G,250G,300G,400G,500G,600G,700G,800G,900G,1000G,1100G,2000G。 PET、PE、OPP、BOPET、BOPP为基材,在表面涂上硅油或者离型剂