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MP2100 Redispersibility and Strength

Fast redispersibility shortens mixing and improves film quality, and that is what MP2100 contributes to a thin-bed adhesive.

ELOTEX MP2100 · Thin-Bed Adhesive

MP2100 is a VAE powder with a minimum film forming temperature of +3 °C and an ash value of 10.5 ± 1.5 percent. Its distinguishing property is how quickly it goes back into dispersion.

Redispersion in Practice

A powder that redisperses slowly leaves undispersed particles in the mix. Those particles become weak points in the film once the mortar dries.

MP2100 disperses fast enough that the polymer is uniformly distributed by the end of the standard mixing cycle. Thin-bed adhesives benefit most, because the layer is thin and there is no room for weak spots.

Cohesion and Strength

Thin-bed mortars need cohesion more than bulk strength. The adhesive has to stay on the trowel, hold its notches and still wet the tile when pressed.

The polymer level in MP2100 supports that cohesion at 1 to 3 percent dosage, which is where most thin-bed formulations are built.

Freeze-Thaw Stability

Adhesives shipped in cold markets are tested after freeze-thaw cycles. A well dispersed film tolerates those cycles better than a patchy one, because there are fewer places for ice to start.

That stability comes from dispersion quality rather than from the dosage alone, which is why two grades at the same dosage can behave differently in the same test.

Keep the mixing cycle long enough for full redispersion; a fast powder still needs time in the water.
Check the fresh mortar for undispersed specks before blaming the recipe.
Dose 1 to 3 percent in thin-bed adhesives and confirm with tensile adhesion.
Test freeze-thaw stability where the product will be stored or shipped cold.
Related Grades

Related Grades

The grade this note is about, and two that sit next to it in the range.

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