HPMC for Wall Putty

MikaZone™ Methyl cellulose(MC) & Hydroxypropyl methyl cellulose (HPMC) is a natural polymer materials as raw materials,through a series of chemical processing and prepared non-ionic cellulose.

Wall putty(Skim Coat) is a kind of decorative materials to make wall surface smooth, it can be used in exterior and interior wall decoration. MEIKAI MikaZone Brand Cellulose HPMC plays an essential role in wall putty(skim coat) to improve the key properties like water retention, open time, crack resistance, workability, etc.

MikaZone™ HPMC for Wall Putty 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),Skim Coat)

hpmc for wall putty
high water retention

which is helpful with such problems as cement or gypsum construction material drying too fast and poor hardening or cracking due to insufficient hydration.

increase Operationality
MikaZone HPMC for Wall Putty​ It can enhance the plasticity of mortar and improve the coating efficiency in construction projects.
Plasticity enhancement

MikaZone HPMC for Wall Putty​ make mortar attach to base material better since the plasticity of mortar is enhanced.

Slip Resistance

MikaZone HPMC for Wall Putty​ prevent slipping problem between mortar and the base material in construction project as a result of its thickening effect.

MiKaZone HPMC for Wall Putty Physical Properties​

SolubilityWater Soluble
Ash content, %, max.5
Moisture content, %, max.5
pH(1% solution, 20°C)6-8
Gelation temperature, °C60 – 70
Viscosity, (NDJ, 2% solution in water, 20°C), mPa•s185000-200000
hemc sample packaging display

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How it HPMC for Wall Putty works ?

Hydroxypropyl Methyl Cellulose (HPMC) does not participate in any chemical reactions except as an auxiliary molecule. The process of adding water to putty powder is placed on the wall as a chemical reaction. In the process, a new substance (calcium carbonate) is formed.

The main components of ash calcium powder are: Ca(OH)2, a mixture of CaO, and a small amount of CaCO3. The reaction equation is as follows:

CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O.

In this process, gray calcium will be transformed into calcium carbonate under the action of CO2 and water, while HPMC is only working as a water-retentioner to assist the reaction under the better condition without participating in the reaction.

hpmc aqueous solution

The putty formula can be different according to different specifications. Therefore, the viscosity and the dosage of Hydroxypropyl Methyl Cellulose (HPMC) are also different. In practical applications, it is recommended to use HPMC products with lower viscosity in winter, which is more conducive to construction. Otherwise, when the temperature is low, the viscosity will increase, which may cause trouble for further applications.

MEIKAI Mikazone Brand cellulose ether HPMC series products of Meikai are specially used for putty construction, and Tongjin provides customized formula.

For more recipes, please click HPMC for Wall Putty TDS

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