Cellulose Ethers & Retarders: The Acceleration Trap
In dry-mix mortar formulations, cellulose ethers and retarders are often seen as a trusted duo. One retains water and builds viscosity for workability. The other delays setting to leave time for finishing. But experienced formulators know a hidden truth: combine them incorrectly, and instead of retarding the set, you may end up accelerating it —
