What is the difference between using hydroxypropyl methylcellulose in exterior wall putty and interior wall putty
Exterior wall putty and interior wall putty have different performance requirements and application environments, so when using hydroxypropyl methylcellulose (HPMC), its role and effect are also different. Advantages of using HPMC in exterior wall putty Enhanced weather resistance Anti-ultraviolet: Exterior wall putty needs to be exposed to the sun for a long time. HPMC can […]
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