Thin repair mortar is typically applied at a thickness of just 3 to 10 millimeters. This narrow range imposes extreme demands. It must bond firmly to the old substrate to prevent debonding, yet stay flexible enough to absorb shrinkage stress and temperature movement without cracking. One property often comes at the expense of the other.
rittleness and cracking have long been major concerns in cement‑based mortars. Adding redispersible polymer powder (RDP) greatly improves flexibility, yet the actual performance can vary widely. The root cause is often the glass transition temperature (Tg) of the RDP. Tg is not just a technical number. It directly determines whether the polymer film stays soft
Cementitious grout may seem like a secondary material, but it plays a critical role in the final look and long‑term durability of tiled surfaces. Yet cracking and efflorescence often appear one after another, becoming persistent quality headaches. Many manufacturers try to solve the problem by simply adding more cellulose ether for water retention, or just
