Hydroxyethylcellulose (HEC) i polymer inonyungudika mumvura inoshandiswa zvakanyanya mumaindasitiri akasiyana sekuvaka, zvekuzora, mishonga, uye kuchera mafuta. HEC ine akati wandei akasarudzika zvivakwa zvinoita kuti ive chinhu chinoyevedza kuindasitiri, kusanganisira kunyungudika kwayo kwakanyanya mumvura, kugona kwayo ...
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