... High Seal strength, Fine sealability, and wide welding scope and can be sealed at low.(3) High shrinkable ratio: Heat shrinkable ... prevent from ash and wetthree laminating layers can prevent oxygen, gas and wet, and can't taint ashes.(5) frivolity, tenacity and ... fine heat sealing performance, operation convenient, break film impossible and can be used for high speed pack. The polyolefin shrink film ...