Chemical HPMC produced by MST is the first choice for the production of high-quality building materials. It has the characteristics of high water retention, good dispersion, good fineness, good workability, and convenient dissolution; Chemical HPMC is suitable for dry mortar building materials, internal and external wall water-resistant putty powder /Paste, adhesive, caulking agent, interface agent, water-based paint, self-leveling agent and other new building materials.
Chemical HPMC
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Chemical HPMC produced by MST is the first choice for the production of high-quality building materials. It has the characteristics of high water retention, good dispersion, good fineness, good workability, and convenient dissolution; Chemical HPMC is suitable for dry mortar building materials, internal and external wall water-resistant putty powder /Paste, adhesive, caulking agent, interface agent, water-based paint, self-leveling agent and other new building materials.
Product name: |
Hydroxy Propyl Methyl Cellulose (HPMC) |
Other Names |
Hypromellose |
Appreance |
White powder |
CAS NO. |
9004-65-3 |
EINECS No.: |
220-971-6 |
MF: |
C12H20O10 |
Purity: |
99% |
Surface Tension |
4225-230 |
Ash content |
≤5% |
Carbonization temperature |
225-230̐C |
Water content |
≤5% |
Thermochromic temperature |
190-200̐C |
PH Value |
6.5-8.0 |
Decomposing temperature |
200̐C |
Light transmittance |
≥80 |
Gel temperature(℃) |
50-68̐C |
Whiteness |
≥75 |
Content of hydroxypropyl |
9.0-12.0 |
Viscosity |
100-200000 it can be custmized |
Content of methoxy |
24.0-30.0 |
Fitness |
80-100List |
Application characteristics of Chemical HPMC in construction glue:
In the construction glue, the instant Chemical HPMC must be used, because Chemical HPMC is only dispersed in the water and does not really dissolve. About 2 minutes, the viscosity of the liquid gradually increased, forming a transparent viscous colloid. Hot-melt products, when they come together in cold water, they can quickly disperse in hot water and disappear in hot water. When the temperature drops to a certain temperature, the viscosity slowly appears until a transparent viscous colloid is formed. The recommended amount of Chemical HPMC for building glue is 2-4kg.
Chemical HPMC has stable chemical properties, mildew proof and good water retention effect in construction glue, and is not affected by changes in PH value. The viscosity can be used from 100,000 S to 200,000 S. However, in production, the higher the viscosity, the better. The viscosity is inversely proportional to the bonding strength. The higher the viscosity, the lower the strength. Generally, the viscosity of 100,000 S is better.
Milestone Industrial Co. Ltd. has been producing cellulose for 20 years and has high-quality professional and technical personnel in cellulose and latex powder, constantly improving product quality and application technology. The main products are cellulose ether, methyl cellulose, hydroxypropyl methyl cellulose and hydroxyethyl methyl cellulose, which are widely used.