Polyvinyl alcohol (PVA) powder, known as 聚乙烯醇粉末 in Chinese, is a versatile water-soluble polymer widely used in various industries. This form of PVA offers unique advantages due to its powder state, allowing for ease of transportation, storage, and precise formulation. As a functional material with exceptional film-forming, adhesive, and emulsifying properties, PVA powder plays a critical role in applications ranging from construction to healthcare. This document provides an in-depth overview of PVA powder, including its properties, manufacturing process, applications, advantages, and future trends.