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Dab tsi cuam tshuam cellulose ether ua rau lub zog mortar?
Cellulose ether muaj qee yam cuam tshuam rau cov tshuaj khib nyiab. Nrog rau qhov nce ntawm qhov ntau npaum ntawm cellulose ether, lub sij hawm teem caij ntawm lub mortar prolongs. Cov nyhuv retarding ntawm cellulose ether ntawm cov cement paste feem ntau yog nyob ntawm qhov kev hloov pauv ntawm pawg alkyl, ...Nyeem ntxiv
