HPMC Gel Temperature & RDP: Pinhole‑Free Putty
Surface pinholes are a persistent headache for both applicators and formulators of cement‑based putty. These tiny craters not only ruin the wall appearance but also create weak spots that can cause peeling and delamination in subsequent paint or coating layers. Interestingly, the root cause often lies in the interplay between two key additives: HPMC gel
