Hydroxypropyl Methyl Cellulose HPMC For Mortar Hydroxypropyl methylcellulose (HPMC) na-ọtụtụ ebe na-ewu ụlọ ọrụ dị ka ihe mgbakwunye na ciment dabeere na ngwaahịa, dị ka ngwa agha. Mortar bụ ngwakọta nke simenti, ájá na mmiri nke a na-ejikọta brik, blọk, na ihe ndị ọzọ e ji ewu ụlọ ...
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