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How to Use PVA


Polyvinyl alcohol has a white powder appearance and is a widely used water-soluble polymer with properties ranging between plastic and rubber. Its use can be divided into fiber and non-fiber applications.

Polyvinyl alcohol resin series products can be dissolved in hot water below 95 ° C. However, due to the difference in polymerization degree and alcoholysis degree, the alcoholysis method has a certain difference in dissolution time and temperature, so the use is different. When branding polyvinyl alcohol resins, the dissolution method and time need to be explored.When dissolved, the product can be slowly added to the cold water of about 20 °C while stirring to fully swell, disperse and volatile materials, and then heat up to about 95 ° C to accelerate dissolution, and keep warm for 2 to 2.5 hours until the solution is no longer contains tiny particles, which are then filtered through 28 mesh stainless steel and ready for use.

Our company- LIWEI CHEMICAL CO. LTD is the largest producer of polyvinyl alcohol and PVA fiber in China. With years of operation, we are actively expanding our overseas business. We welcome friends from all over the world to negotiate, cooperate and make progress together.

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