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The reason why PVC has become the second largest

by：LINYANG 2020-06-15

????Vinyl chloride, also known as vinyl chloride, is a flammable gas and is a colorless gas with an ether-like odor; its relative density with respect to water is 0.91 and relative density with air is 2.15. This product is flammable, the ignition temperature is 415 ℃, and its explosion limit is 3.6%-31.0% (volume fraction). This product is slightly soluble in water and soluble in most organic solvents such as ethanol, ether and acetone. It is also a product with special functions produced after the development of PVC film. ????Polyvinyl chloride (PVC) is one of the five general-purpose plastics, and its output is second only to polyethylene in the world. PVC resin has relatively strong polarity and plasticity. It has PVC film and PVC packaging materials in use. It has good processing properties and can produce products with various properties from hard to soft. It is precisely because of this super plasticity, and the huge difference in strength changes, so its scope of use has been greatly expanded and has been involved in all walks of life. This is also the main reason why it can become the second largest polymer in the world.