• Categories:Industry News
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• Time of issue:2020-11-10 17:37
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(Summary description)PVA film is a kind of biodegradable polymer material, which can be produced on a large scale by non-petroleum route and is low in price. It has outstanding oil resistance, solvent resistance and gas barrier properties, and has unique advantages in food and pharmaceutical packaging. PVA films are divided into the following categories according to their dissolution characteristics: Room temperature soluble film (NT type, also known as fast soluble film, cold soluble film): Dissolving temperature 25℃ Medium temperature soluble film (IT type, also known as medium soluble film, hot melt film): dissolving temperature 65℃ High temperature soluble film (HT type, also known as insoluble film, resistant to soluble film): Dissolving temperature 85℃