Views:3 Author:Site Editor Publish Time: 2019-11-05 Origin:Site
CMC(Carboxymethyl Cellulose) are widely used as construction mortar, plaster mortar, water-resistant putty, exterior wall adhesive putty, ceramic tile adhesive, flashing compound, self-levering material, thickening agent.
CMC is one of the best coagent of synthetic detergent. It has an efficiency of suspension, preventing secondary-precipitation, retaining moisture, stability, thickening, with peculiarities of fast-dissolve, utilization-convenience. It also has emulsifying and protecting colloid properties.
CMC is a kind of important cellulose ether and a good water-soluble polyanionic compound obtained
from chemically modified natural fibers, soluble in cold water. It has unusual and extremely valuable comprehensive physical and chemical properties such as emulsifiablity, dispersion, solid dispersion, non-perishability, physiological harmlessness, etc., and is a kind of widely-used natural polymer derivatives.
The superior properties of CMC include: thickening, water retention, metabolism inert, film formability, dispersion stability, etc. It can be used as thickeners, water retention agents, binders, lubricants, emulsifiers, assistant deflocculants, tablet substrate, biological substrates and carriers of biological products
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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
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