... b.shrinkage rate up to 70% in heat shrink film; c.no poison gas made, wrap shrink film. EconomicSmall specific gravity --thin and ... tenacious,robust tear,strength,and even thicknessHigh shrink rate and low-temperature shrink performanceWith great transparency and luster ,best hand ... using, RafetyInnocuity, it can be used into foodstuffs of packing, and will never release toxic gas upon thermal sealing ...