... shrinkage rate up to 70% in heat shrink film; c.no poison gas made, wrap shrink film. EconomicSmall specific gravity --thin and ... but tenacious,robust tear,strength,and even thicknessHigh shrink rate and low-temperature shrink performanceWith great transparency and luster ,best hand ... ,Manual pack and automatic pack both workable,With low shrink temperature,To made plastics bag by Customers request , ...