What are the functions of PVC plastic film?
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PVC films can be roughly divided into two categories: plasticized PVC films, also known as soft PVC films, and unplasticized PVC films, also known as hard PVC films. Polyvinyl chloride plastic film is generally used in the largest amount in electrical aspects, namely electrical adhesive tape. According to its characteristics, it can also be used for protective adhesive tape, luggage adhesive tape, identification adhesive tape, advertising tape, pipeline adhesive tape, etc. It is also widely used in daily life, such as footwear, toys, raincoats, tablecloths, umbrellas, agricultural films, etc.
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PVC film is insoluble in water, alcohol, gasoline, and can swell or dissolve in ethers, ketones, chlorinated fatty hydrocarbons, and aromatic hydrocarbons. It is resistant to concentrated hydrochloric acid, 90% sulfuric acid, 50-60% nitric acid, and less than 20% caustic soda solution at room temperature.
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