factory best price Industry grade chemical powder hpmc hydroxypropyl methyl cellulose

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Product Overview

Description



product Name
HPMC
Methoxy content(%)
18-32
Hydroxypropyl content(%)
8-16
Gel temperature(%℃)
54-75 C
Water(%)
≤5%
Ash(Wt%)
≤2%
PH value
7-8
Appearance
White Powder
Fineness (mesh)
80-100.mesh
Viscosity(mpa.s)
200-200000,also can produce according to customer's requirements
surface treatment
cold water instant type: surface treatment
Non-instant type:
without surface treatment


High Viscosity HPMC hydroxypropyl methyl cellulose Thickener For putty powder : 1) Appearance: HPMC is a nonionic cellulose ether, white grayish-white powder or granule,odorless and flavorless, soluble in cold
water, glacial acetic acid, ethanol, methanol and propylene glycol, slightly soluble in acetone depending on the degree of
substitutions, practically insoluble in hot water, ethylene glycol and toluene. HPMC is dissolved in a mixture of 10% methanol and
90% methylene chloride to form colloidal solutions.
2) The solution of HPMC has surface activity, high transparency, and stable performance. When heated at certain temperature, the
solution becomes cloudy or forms flocculent gel. However, the solution becomes clear again after cooling. Different types of HPMC
have different gelation temperatures. The solubility varies with the viscosity. The lower the viscosity, the higher solubility it
has. The different types of HPMC are different in some properties and their solubility in water is not affected by pH.
3) Particle sizes: 100% pass rate in 80 mesh.
4) Apparent density: 0.25-0.70 g/mL (usually about 0.5 g/mL),specific density 1.26-1.31mL.
5) Color change temperature:190-200°C; Carbonization temperature:280-300°C.
6) Surface tension:42-56 dyn/cm (2% aqueous solution).
7) The higher methoxy content in HPMC, the lower gelation temperature, and the higher solubility in water and surface activity.
8) HPMC has some other characteristics, for example, thickening property, pH stability, retention of water, excellent film-forming
property, good disperse and adhesion ability.


Product Description




Specification


Packing & Delivery




25KG/BAG


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