Views:9 Author:Site Editor Publish Time: 2021-04-22 Origin:Site
Polyvinyl alcohol, organic compound, white flake, flocculent or powdered solid, odorless.
In the preparation of aqueous solution, the product is not easy to foaming, but in the solution concentration is high, the speed is fast, will also produce a small amount of foam, in order to inhibit foam, can add defoaming agent :0.01-0.05%(based on PVA)
Store in a ventilated, cool and dry place away from fire.Handle with care in transit to prevent damage to the package.
After more than 40 years of development, China's PVA industry has become the largest PVA producer in the world.
The application of PVA
Glue for construction.The application of PVA in this industry mainly includes putty glue and coating adhesive base material, which accounts for more than 40% of the total amount. It is the first major application field in the name of the name.The industry mainly uses PVA17-99, PVA20-99 with medium viscosity and PVA24-99 with high viscosity, PVA26-99, etc.Its development trend is high viscosity.High-viscosity products have been widely used in coastal developed areas such as East China and South China, which is the main type of construction adhesive industry demand in the future.