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                高温真空袋和冷冻真空袋中间有什么不同
                发布时间:2020-09-04 10:43:20 点击次数:175

                高温真空袋和冷冻真空袋一样,也是♀典型性的聚烯烃类高聚物。二种真空袋有很多共同之处,比如无臭、无气味、环保等特性;耐酸性、碱、盐及多种多样化合物,特性平稳;物理学及物理性能平衡;防潮性、防水性优质,有一定的阻氧性、耐磨性能;具备优良的成形性和非常好的热封合性。和高温真空袋一样,高温真空袋也具备总产量大、来源于普遍、质优价廉的优势。


                高温真空袋和冷冻真空袋对比,主要的区别有以下几个层面:


                一、高温真空袋的耐热性远好于冷冻真空袋,能够耐120℃之上的高温,高温真空袋包装食※品类乃至可以承担140℃之上的高温蒸制的规定。


                二、高温真空袋的透光∏性和抗压强度也好于冷冻真空袋。高温真空袋的耐磨性能虽不是很理想化,但比冷冻真空袋好。


                三、和冷冻真空袋类塑胶对比,高温真空袋的关键缺陷是抗寒性差,高温真空袋均聚物在▓0℃即很有可能主要表现出显著的延性。


                以上总结※出来,高温真空袋和冷冻真空袋差别还是十分大的,看商品的包装规定来分辨哪些的真空袋适合,并不是较贵的便是最好是的,仅有看合不适合的才算是功能比较好的。


                What is the difference between high temperature vacuum bag and freezing vacuum bag


                High temperature vacuum bags, like refrigerated vacuum bags, are also typical polyolefin polymers. The two types of vacuum bags have many things in common, such as odorless, odorless, environmental protection and other characteristics; resistance to acid, alkali, salt and a variety of compounds, stable characteristics; balance of physics and physical properties; high moisture resistance and water resistance, It has certain oxygen barrier and wear resistance; it has excellent formability and very good heat sealability. Like high-temperature vacuum bags, high-temperature vacuum bags also have the advantages of large total output, universal origin, high quality and low price.


                Compared with high temperature vacuum bags and refrigerated vacuum bags, the main differences are as follows:


                1. The heat resistance of high-temperature vacuum bags is much better than that of refrigerated vacuum bags. It can withstand high temperatures above 120°C, and high-temperature vacuum bags can even meet the requirements for high-temperature steaming above 140°C.


                2. The light transmittance and compressive strength of high-temperature vacuum bags are also better than those of frozen vacuum bags. Although the wear resistance of high-temperature vacuum bags is not ideal, it is better than that of refrigerated vacuum bags.


                3. Compared with refrigerated vacuum bag plastics, the key defect of high temperature vacuum bags is poor cold resistance. High temperature vacuum bag homopolymers are likely to mainly show significant ductility at 0°C.


                To sum up, the difference between high-temperature vacuum bags and refrigerated vacuum bags is still very large. You can see which vacuum bags are suitable according to the packaging regulations of the product. It is not the more expensive one that is the best. Only the ones that are suitable are not suitable. It has better functions.



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