PT-cellophane,with substance range of 20gsm-36gsm,is derived from wood pulp,a natural fibrous from of cellulose,by the process of alkalization,xanthation and castion.This film has excellent gloss and transparency,high tensile and elongation,and high resistance to a wide range of chemicals,is greaseproof,oil proof and is impervious to bacteria.Amongst the most important properties of this film is its rapid degradation when buried in the soil,so it is kind to human being and environments.For this reason,PT-cellophane film is a kind of superior packing and decorationg material for foodstuff,medicines,tea,battery,cigarettes and tobacco,etc.