Hydroxypropyl methyl cellulose has a wide range of applications in our daily life, especially in the construction and coating industries. It has the following four significant characteristics:

1. Improve coating performance: The use of high substitution HPMC can significantly improve the viscosity of water-based coatings, while improving their surface tension, gel temperature and compatibility with additives in agricultural production systems. In tropical areas, it can also effectively control the impact of bacteria on coatings.

2. Enhanced Coating Durability: Paints formulated with hydroxypropyl methylcellulose exhibit exceptional wear resistance, high-temperature tolerance, antibacterial degradation properties, wash resistance, and acid-base stability. This material also functions as a thickener containing methanol, ethanol, or propanol, making it ideal for paint strippers. Emulsion coatings demonstrate outstanding wet abrasion performance, outperforming HEC, EHEC, and CMC as coating thickeners.

3. Bacterial corrosion resistance: High-substituted hydroxypropyl methylcellulose exhibits better bacterial corrosion resistance than low-substituted counterparts and demonstrates more stable viscosity in polyvinyl acetate thickeners. Inappropriate cellulose ethers may reduce coating viscosity due to degradation of cellulose ether chains during storage.

4. Thickener: hydroxypropyl methyl cellulose shows good thickening effect in white waterborne polyvinyl acetate coating.