Hydroxyethylcellulose (HEC) bụ nonionic, mmiri-soluble polymer sitere na cellulose site na usoro mmeghachi omume kemịkal. A na-eji ya eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche, gụnyere ụlọ ọrụ mmanụ na gas, na-arụ ọrụ dị mkpa n'ịgba mmiri na mmecha. N'okwu a, HEC na-arụ ọrụ dị ka rheol ...
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