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What is Hydroxypropyl methyl cellulose (HPMC) ?

Views:1     Author:Site Editor     Publish Time: 2020-04-22      Origin:Site

Hydroxypropyl methyl cellulose (HPMC) is a natural polymer materials as raw materials,through a series of chemical processing and prepared non-ionic cellulose. It contains almost methyl cellulose(MC) of all the performance, your first choice for production of high quality building materials additives.To meet the needs of environmental protection, Our product with high water retention, dispersion, good fineness, good work ability, easy dissolution characteristics.It suitable for dry mortar building, both inside and outside wall putty powder milk (cream), adhesives, caulks, interface agents, coatings, self-leveling agent of new building materials. 

HPMC:It is an important variety of nonionic cellulose mixed ether. It is odorless, tasteless and non-toxic. The finished product is white powder or loose fiber, and the particle size is passed through the 80-mesh sieve. It doesn't react with heavy metals. Different proportions of methoxy and hydroxypropyl content in the finished product, different viscosity, will become a variety of different properties. HPMC is actually a kind of epoxy methane oxygen c ring (methyl) modified methyl cellulose, so it has a similar methyl cellulose soluble in cold water can dissolve, can not soluble in hot water features, solubility in organic solvent is better than that of water soluble, it can soluble in anhydrous methanol and ethanol, can also dissolve in chlorinated hydrocarbons, such as methylene chloride, trichloroethane, acetone, isopropyl alcohol, diacetone alcohol and other organic solvents.


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  • Questions for Landcel HPMC

    Industrial-grade hydroxypropyl methyl cellulose used in mortar is distinguished by viscosity. Generally, the following types are commonly used Low viscosity: 400  is mainly used for self-leveling mortar.  Reason: low viscosity, good leveling,  high mortar density.  Medium and low viscosity: 20000-400000

  • Water retention of HPMC,building materials,

    Hydroxypropyl methyl cellulose ether-HPMC, as an auxiliary additive widely used in the field of building materials, is mainly used for water retention, thickening and improving the workability of the finish product. Water retention rate is often one of the core indicators for selecting high-quality

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