Y 201D Oxygen Permeation Tester (ASTM D 3985) Guang Zhou Biao Ji Packing Equipment Co., Ltd. Base Info Model NO.:Y 201DStandards:ASTM F2622Trademark:GBPIOrigin:Guangzhou, China Description Pre:Y 201D Oxygen Permeability Tester Next:Y 201D Oxygen Permeation Testing Equipment