Joyforce Polyvinyl Alcohol PVA 1799 powder is used as textile slurry, mainly mixed with starch or acrylic acid, and has good miscibility; easy film formation, good softness and elasticity; easy splitting, easy penetration, good wear resistance Applicable to hairiness; easy to be hydrophilic, and has good affinity with cotton, polyester or other fibers; easy to desizing, the size of the sized fabric is easy to exit under the action of a small amount of oxidant in boiling water, and its biodegradation is fast and Environmental friendly. Low-viscosity partially hydrolyzed PVA is more compatible with hydrophobic fibers, especially suitable for sizing cotton, polyester and high-count yarns.