Aluminum laminar zip AL-22 300 x 220mm (50 pieces) [Specifications] <br>Product number: AL-22 <br>Under the zipper: 300mm<br>Bag width: 220mm<br>Gusset width: 64mm<br>PE thickness: 0.1mm<br>Quantity: 50 pieces <br><br>■Features<br>・Made by polyester/aluminum/PE, it has excellent氧气和蒸汽屏障特性。 <br> ・可用温度宽,范围从-40°C到 +90°C,也非常出色。 <br> ・湿度:0.5-1g/m^2 ・24小时氧渗透性:0.5-1cc/m^2 24小时
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