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Hydroxypropyl Methyl Cellulose HPMC For Wall Putty
Description of High Viscosity HPMC:
HPMC is widely used in building materials, coatings, synthetic resins, ceramics, medicine, food, textile, agriculture, cosmetics, tobacco and other industries. HPMC can be divided into building grade, food grade and medical grade according to its use. At present, most of the domestic products are of construction grade. In the construction grade, the amount of putty powder is large, about 90% of which is used for putty powder, and the rest is used for cement mortar and glue.
Fomula of HPMC:
Specification of Construction Grade HPMC:
|
ITEM |
STANDARDS |
|
Appearance |
White or off-white powder |
|
Methoxyl Content(%) |
19~30 |
|
Hydroxypropoxyl Content(%) |
4~12 |
|
Moisture(%) |
≤5.0 |
|
Ash(%) |
≤1 |
|
PH-Value |
4-8 |
|
Chloride(NaCl)% |
≤0.2 |
|
Arsenic Salt (ppm) |
≤2 |
|
heavy metal (ppm) |
≤20 |
|
Viscosity 2% in water at 20℃(mpa.s) |
5~180000 |
Application of Hydroxypropyl Methyl Cellulose :
HPMC is widely used in building materials, coatings, synthetic resins, ceramics, medicine, food, textile, agriculture, cosmetics, tobacco and other industries. HPMC can be divided into building grade, food grade and medical grade according to its use. At present, most of the domestic products are of construction grade. In the construction grade, the amount of putty powder is large, about 90% of which is used for putty powder, and the rest is used for cement mortar and glue.
1. Construction industry: As a water-retaining agent and retarder of cement mortar, it makes the mortar pumpable. When plastering mortar, gypsum, putty powder or other building materials as adhesives, improve the coating ability and extend the operational time. It can be used to paste ceramic tile, marble, plastic decoration, paste reinforcing agent, and also reduce the amount of cement. The water retention property of HPMC makes the slurry not crack due to drying too fast after application, and enhances the strength after hardening.
2. Ceramic manufacturing industry: widely used as adhesive in the manufacture of ceramic products.
3. Coating industry: as thickener, dispersant and stabilizer in the coating industry, it has good phase solubility in water or organic solvents. As paint remover.
4. Ink printing: As a thickener, dispersant and stabilizer in the ink industry, it has good solubility in water or organic solvents.
5. Plastic: used as forming release agent, softener, lubricant, etc.
6. PVC: As a dispersant in PVC production, it is the main auxiliary for the preparation of PVC by suspension polymerization.
7. Pharmaceutical industry: coating materials; Membrane material; Speed control polymer material of sustained-release preparation; Stabilizer; Suspension aids; Tablet adhesive; Tackifier.
8. Other: It is also widely used in leather, paper products, fruit and vegetable preservation and textile industries.
Packing&Storage of HPMC For Wall Putty:
The package of Construction Grade HPMC is double-layer polyethylene film bag, pearlescent film woven bag, net weight of each bag is 25kg.
Except HPMC,we can also supply PVA Resin 2488, Titanium Dioxide Rutile etc.
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