Cellulose Ether Hpmc Powder Hypromellose Cas Number 9004 65 3

الوصف

HPMC Cellulose Ether Hpmc Hpmc Chemical Formula Of Cellulose CAS 9004-65-3

In the wet mortar, the water in the mortar evaporates and the cellulose ether concentrates on the surface, forming a film on the surface of the mortar within 5 minutes, reducing the subsequent evaporation rate. As more water flows from the thicker migration part to the thinner part of the mortar, the formed part of the film begins to partially dissolve, and the migration of water will cause more cellulose ether to accumulate on the surface of the mortar.
The formation of cellulose ether on the surface of the mortar has a great influence on the performance of the mortar:
The first formed film is too thin, it will dissolve twice, can not limit the evaporation of water, and reduce the strength.

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