Tile Adhesive: Fix Sagging & Open Time with HPMC & RDP
In tile installation, sagging and short open time are two persistent problems troubling formulators and installers. When tiling vertical walls, tiles may slip downward, and in hot seasons, the mortar skins over quickly. The root cause often lies in improper selection of cellulose ether (HPMC) and insufficient dosage of redispersible polymer powder (RDP). This article
