HPMC Hydroxypropyl methyl cellulose

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by Hebei Yida Cellulose Co., Ltd.

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USD 21000   


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Price Per Units : USD 21000

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During the preparation of various formula systems for this product, the Yida technical team can provide technical consultation, technical tracking, and long-term optimization of the formula system.

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Description

Item\Indicator\Model
Methoxy, % 27-30 19-24
Hydroxypropyl, % 7.0-12 7.0-12
Gel temperature, ℃ 55-68 70-90
Moisture, % ≤5
Ash, % ≤5
PH value: 6-8
Viscosity (2%, 20℃) 5-200000
Hydroxypropyl methylcellulose (HPMC) is made of refined cotton after being pulverized, then reacted with sodium hydroxide (liquid caustic soda) solution for alkalization, and then added chloromethane + propylene oxide for etherification reaction to form crude HPMC After neutralization (PH value adjustment), pressure filtration, drying, crushing and sieving, a certain fineness of pure HPMC can be obtained. The finished product has a slight odor, the smell of methane.
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Product Specification

  • Viscosity : 5-200000