01 proportion has good transparency, lightweight, cost-effective, the characteristics of two-way contraction in the packaging process, strong toughness, shrinkage rate stable equilibrium, after the completion of the packing sealing strong, marginal small and soft, hardy not easy embrittlement, non-toxic tasteless, is the best alternative to PVC heat shrinkable film, can be used in production of semi-automatic and fully automatic packaging machine.
