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| Place of Origin: | China |
| Brand Name: | Golden Grain |
| Certification: | ISO9001, COA,SDS |
| Model Number: | GMHP-805 |
| Minimum Order Quantity: | 100kg |
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| Price: | USD1.39/KG FOB QINGDAO ‑6.94 USD/KG FOB QINGDAO |
| Packaging Details: | 25kg/Bag with Paper Drum and PE Inner |
| Delivery Time: | 7 - 10 working days |
| Payment Terms: | L/C, T/T, D/P, D/A |
| Supply Ability: | 15000MT PER YEAR |
| Hs Code: | 3912390000 | Bulkdensity: | 0.3 - 0.5 G/cm³ |
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| Materials: | Refined Cotton | Classification: | Chemical Auxiliary Agent |
| Thermalgelationtemperature: | Between 50°C And 90°C Depending On Grade | Grade: | Construction Grade (Industrial) |
| Chemicalstability: | Stable Under Normal Conditions | Ash Content: | ≤2.0% |
| Shelflife: | 2 Years | Moisture Content: | < 5% |
| Usage: | Building Material Additive | Cas No: | 9004-65-3 |
| Function: | Thickener, Binder, Film Former, Emulsifier, Stabilizer |
Construction‑Grade HPMC (Hypromellose / Hydroxypropyl Methylcellulose) acts as an indispensable functional raw material within modern dry‑mix building material systems. Manufactured from high‑grade refined cotton under standardized production procedures, this powder delivers consistent performance across different production lots. It modifies the working characteristics of cement‑based and gypsum‑based materials, well‑suited for large‑scale mortar factory manufacturing as well as various field construction projects.
We supply multiple viscosity grades ranging from 40000cps to 200000cps, measured under 2% Brookfield aqueous solution test condition. Custom specifications can be arranged to match your unique mortar formulation requirements.
Improve mortar internal cohesion. Effectively hold materials on vertical walls and overhead surfaces without slipping or dropping. Compatible for both hand‑applied trowel work and mechanical spray plastering operations.
Outstanding water‑locking capability. Slow down surface moisture evaporation during high‑temperature or long‑duration construction operations. Sufficient hydration of cement and gypsum can be achieved, lowering the probability of peeling, chipping and surface imperfections.
Enhance construction workability. Reduce trowelling resistance during application, make mortar spread more smoothly, and help obtain fine, even finished wall surfaces after curing.
Extend practical working period. Provide extra adjustment time during tile installation and surface finishing work, supporting flexible on‑site modification.
Excellent formulation compatibility. Mix evenly with cement, gypsum, slaked lime and other common building raw materials. No abnormal clumping or phase separation occurs in mixed mortar systems.
Good dispersion performance in normal‑temperature cold water. Minimize lump formation during mixing steps, simplify production operating procedures.
Our construction‑grade HPMC is widely adopted for producing diversified dry‑mix building finished goods:
Interior and exterior wall putty, decorative wall finishing compounds
Ceramic tile adhesive, tile grout and joint filling materials
Gypsum plaster, gypsum repair mixes and gypsum levelling products
Cement rendering mortar and masonry bonding mortar
External wall thermal insulation mortar and protective coating mortar
Cement‑based floor levelling mortar and special decorative construction mortar
| Item | Typical Result |
| Appearance | White powder, conforms |
| pH Value (1%, 25°C) | 6.36 |
| Apparent Viscosity | 15.3 cps |
| Insoluble in Water | 0.4% |
| Loss on Drying | 2.5% |
| Residue on Ignition | 0.64% |
| Heavy Metals | < 10 ppm |
| Arsenic | < 2 ppm |
| Methoxyl Content | 28.2% |
| Hydroxypropoxy Content | 8.4% |
| Total Bacteria Count | 28 cfu/g |
| Total Mold & Yeast Count | 19 cfu/g |
| Escherichia Coli | Negative |
Standard packing: 25kg kraft paper bag with inner PE moisture‑proof liner. Custom packaging solutions are available upon bulk order requests.
Store in cool, dry and well‑ventilated warehouse environment. Keep away from direct sunlight, high temperature and humid surroundings. After opening the package, seal bags tightly to maintain stable product performance.
We focus on exporting construction chemical raw materials for global dry‑mix mortar manufacturers and construction suppliers. Every batch undergoes strict laboratory inspection prior to delivery. Supporting documents including COA and MSDS can be offered for customs clearance and factory audit needs.
Sample service is available for your formula testing. We support small‑batch trial orders and large‑volume project supply. Our technical team can offer practical reference suggestions according to your end‑product formulas.
If you are sourcing reliable construction‑grade HPMC with stable batch performance, please send your inquiry to get updated wholesale offer.
Qingdao Golden Grain Chemical Co., Ltd, invested by Golden Grain Group Limited, one professional manufacturer and exporter since 2000, is devoted to supplying products and solutions to food & beverage, medicine, animal feed & nutrition, personal care & household, construction, agriculture.
Golden Grain Group Limited have professional staff, advanced production lines and complete lab equipment, pass GMP, HACCP, ISO, HALAL, KOSHER, BRC, GMP-Free, and other necessary certificates, which ensure our quality to be international standard. For many years' experience, we are exporting our products to more than 60 countries in the world.
"Quality Products", "Efficient Service", Golden Grain Group Limited hope to enter good business cooperation with customers at home and abroad for long.
