You might be proper that structural grade HPMC (hydroxypropyl methylcellulose) does benefit tile joint ingredients, not only dried up combine mortar on the whole. Here is the way it increases porcelain tile joint compounds specifically:
Increased workability: Comparable to dried up blend mortar, HPMC helps make floor tile joint substance softer and simpler to distributed. This gives for much better stuffing of important joints plus a more even finish.
Improved normal water retention: Like mortar, HPMC helps the grout keep water. This can be required for the appropriate alleviating of the ingredient, preventing it from drying out out too rapidly and potentially cracking.
Decreased cracking: By preserving normal water, HPMC minimizes shrinkage since the substance treatments. This reduces the potential risk of holes about the floor tile surface down the road.
Contra --drooping: HPMC acts as a thickener, giving the grout a much better consistency. This helps prevent it from drooping or collapsing from the joints, particularly if taking care of vertical surface areas.
Smooth accomplish: Better workability and lessened loose help give the ceramic tile surface area a better general accomplish.