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                                  1. 新闻资讯     >>      行业新闻

                                    真空包装袋的定义

                                    作者:     来源:       时间:2018-11-11 10:04:40

                                    防静电真空袋通常用于电子产品的包装。食品包装袋外壳可以使食物与氧气、水蒸气、污渍等隔开,防渗漏亦是包装设计的必要因素。一些包装涵括了干燥剂或脱氧剂用以延长保质期。真空包装或抽去包装袋中的空气也是主要的食品包装方法。保存食物在保质期内的干净,新鲜和安全是包装袋的首要功能。牛皮纸食品包装袋具有环保、简约、美观等优点,被各大食品厂商以及广大消费者深深喜爱着,所以牛皮纸逐渐被运用得更广范围。塑料袋薄膜呈乳白色,半透明状(几层叠起来观察尤其明显),摸起来较润滑,好像表面上涂有蜡层,用力抖动,声音发脆,遇火易燃,火焰黄色,燃烧时有粘液滴落,并有蜡烛燃烧时的气味。抗静电真空袋不同于普通真空袋。该防静电真空袋表面具有电晕处理后的抗静电特性。防静电真空袋由PET、PE或PA PE制成。

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