Chemical name and structure formula

Product classification

Physicochemical properties

  • 1. Appearance: white or white-like powder, odorless and tasteless.

  • 2. Granularity: the 100 mesh pass rate is greater than 98.5%; The 80 mesh pass rate was more than 100%.

  • 3. Carbonization temperature: 280-300℃.

  • 4. Apparent density: 0.25-0.70g/ m2 (usually about 0.5g/ m2), specific gravity: 1.26-1.31.

  • 5. Color changing temperature: 190-200℃.

  • 6. Surface tension: 20% aqueous solution is 42-56dyn/cm.

  • 7.Solubility: soluble in water and some organic solvents, such as appropriate proportion of ethanol/water, propanol/water, dichloroethane, etc. Water soluble the liquid has surface activity, high transparency and stable performance. Different specifications of the product gel temperature is different, this is the HPMC thermal gel properties. The solubility varies with the viscosity. The lower the viscosity, the greater the solubility. The performance of HPMC of different specifications varies to some extent.

  • 8.With the decrease of methoxide content, the gel point increased, the water solubility decreased, and the surface activity decreased.

  • 9.HPMC also has thickening ability, salt exclusion, low ash content, PH stability, water retention, dimensional stability, excellent film formation and extensive enzyme resistance, dispersion and bonding.

Advantages of HPMC in building materials field

Performance:

  • 1. Mix well with dry powder.

  • 2.With the characteristics of cold water dispersion.

  • 3.Make the solid particles effectively suspended, make the mixture more fine and uniform.

Mixing:

  • 1. Containing cellulose ether dry mix formula can be easily mixed with water.

  • 2. Get the desired consistency quickly.

  • 3. Cellulose ether dissolves more quickly and without clumps.

Construction:

  • 1. Improve lubricity and plasticity so as to enhance machinability and make product construction more convenient and quick.

  • 2. Enhance water retention characteristics, extend the working time.

  • 3. Helps prevent vertical flow of mortar, mortar and ceramic tiles. Lengthen cooling time and Improve work efficiency.

  • 4. Improve the bonding strength of ceramic tile adhesive.

  • 5. Enhance the crack shrinkage and crack resistance of mortar and plate seam filler.

  • 6. Improve the air content of mortar, greatly reduce the possibility of cracks.

  • 7. Can enhance ceramic tile adhesive resistance vertical flow.

  • 8. Use with starch ether, better effect.

Application of HPMC in construction field

Water-resistant putty for interior and exterior walls

  • 1.Good water retention, can extend the construction time and improve work efficiency. High lubricity makes construction easier and smoother. Provide smooth and even texture, make putty surface more smooth.

  • 2.High viscosity, generally in 10~ 150 thousand viscosity,Make putty stick to walls better.

  • 3.Improve shrinkage resistance and crack resistance, and improve surface quality.
    Recommended dosage: internal wall 0.3-0.4%; Exterior wall 0.4 ~ 0.5%.

External wall insulation mortar

  • 1. Enhance the adhesion with the wall surface, enhance water retention, and improve the strength of mortar.

  • 2.Improve the lubricity and plasticity to improve the construction performance, with the use of starch ether can enhance the mortar, more easy to save time, and improve the cost efficiency.

  • 3.Control air infiltration, so as to eliminate the micro cracks in the coating, forming the ideal smooth surface.

Plaster and plaster products

  • 1.Improve uniformity, make it easier to apply mortar coating, at the same time improve the vertical flow resistance enhance liquidity and pumping. So as to improve work efficiency.

  • 2.High water retention, extend the working time of mortar, and produce high mechanical strength during solidification.

  • 3.By controlling the consistency of mortar, to form a high-quality surface coating.

Cement base mortar and masonry mortar

  • 1.Improve uniformity, make the insulation mortar easier to coating, and improve the vertical flow resistance.

  • 2.High water retention, extend the working time of mortar, improve work efficiency, and help mortar to form high mechanical strength in the solidification period.

  • 3.With special water retention, more suitable for super absorbent brick.

Plate seam filler

  • 1.Good water retention, can prolong the cooling time and improve work efficiency. High lubricity makes construction easier and smoother.

  • 2.Improve shrinkage resistance and crack resistance, and improve surface quality.

  • 3.Provide a smooth and uniform texture, and make the bonding surface stronger.

Ceramic tile adhesive

  • 1.Make the dry mixing ingredients easy to mix and avoid clumping, thus saving working time. And make the construction faster and more effective, can improve the construction, and reduce the cost.

  • 2.By prolonging the cooling time, the tiling efficiency is improved.

  • 3.Provide excellent adhesion effect and high skid resistance.

Self-leveling ground materials (hpmc-400 viscosity for self-leveling)

  • 1.Provide viscosity, can be used as an anti-precipitation agent.

  • 2.Enhance fluidity and pumpability, thus improving the efficiency of laying the floor.

  • 3.Control water retention, thereby greatly reducing cracking and shrinkage.

Water-based coatings and paints

  • 1.The storage life is extended by preventing precipitation of solids. Excellent compatibility with other components and high biological stability.

  • 2.Dissolve quickly and without clumps, which helps simplify the mixing process.

  • 3.Generate favorable fluidity, including low sputtering property and good leveling property, to ensure excellent surface finish and prevent vertical flow of paint.

  • 4.Enhance the viscosity of water-based paint remover and organic solvent paint remover, so that the paint remover will not flow out of the workpiece surface.

Extruded concrete sheet (lightweight wallboard)

  • 1.Enhance the extrusion products can be procAessed, with high bonding strength and lubricity.

  • 2.Improve wet strength and adhesion of plate after extrusion

Honeycomb fine ceramic products (ceramic grade hpmc-4000 viscosity)

  • 1. Operation of honeycomb ceramic mold tire

  • 2. Honeycomb ceramic products have better body strength

  • 3.Good lubrication, is conducive to extrusion molding

  • 4. Smooth and delicate surface

  • 5. Honeycomb ceramic products have a very compact internal structure after combustion.

Packing, storage and transportation

Packaging
25kg plastic bag with linner or depending on customer’s requirement.
Storage      
To be stored in its unopened original packaging,please store dry at usual ambient temperature and protect from excessive heat(below40℃).
Transport regulation
Not known as a dangerous good according to transport regulations.

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