Recently, Canada packaging Container manufacturers choose innovation shielding coating production stretching polypropylene hose, has high separation performance. The new shielding coating belongs to EnviroclearBarrierSystem trademark brand, from South Africa and industry research institute of science and technology ( SouthAfricasCouncilforScientificIndustrialResearch ( CSIR) ) Research and development success. It is based on immersion plating/coating process, suitable for coating tube body. Coating can enhance the oxygen barrier property of the 500 ml of plastic hose, the covenant