Ngwa nke Hydroxyethyl Cellulose Hydroxyethyl Cellulose (HEC) na-achọta ngwa dị iche iche n'ofe ụlọ ọrụ dị iche iche n'ihi njirimara pụrụ iche ya, gụnyere ịgba, njigide mmiri, imepụta ihe nkiri, na nkwụsi ike na-akwalite njirimara. Nke a bụ ụfọdụ ngwa HEC a na-ahụkarị: 1. Paints a...
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