HPMC manufacturer-What are the reasons that affect the water retention of hydroxypropyl methyl cellulose?
The greater the viscosity of hydroxypropyl methyl cellulose, the better the water retention. Viscosity is an important parameter of HPMC performance. At present, different HPMC manufacturers use different methods and instruments to measure the viscosity of HPMC. The main methods include HaakeRotovisko, Hoppler, Ubbelohde and Brookfield.
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