1. Hydroxyethyl cellulose (HEC)
Cas No.: 9004-62-0

Hydroxyethyl Cellulose (HEC) is a nonionic, water-soluble polymer that can thicken, suspend, bind, emulsify, form films, stabilize, disperse, retain water, and provide protective colloid action. It is readily soluble in hot or cold water and can be used to prepare solutions with a wide range of viscosities. Also, it has outstanding tolerance for dissolved electrolytes.

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2. Hydroxypropyl-methyl cellulose (HPMC)
Cas No.: 9004-65-3

Hydroxypropyl-methyl cellulose (HPMC) is a non-ionic type cellulose ether polymer. It has uncommon and valuable composite physical and chemical properties, according to difference replacement degree of replacement group and modified degree.

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