Hydroxypropyl Methyl Cellulose (HPMC) is a high-performance, non-ionic cellulose ether derived from natural polymer materials. Specially engineered for the modern construction and chemical industries, our HPMC serves as a critical additive that optimizes the rheological properties of cement-based and gypsum-based materials, ensuring superior structural integrity and longevity.
By integrating advanced thickening and water-retention capabilities, our HPMC enables professionals to achieve a perfect balance between workability and strength. Whether used in tile adhesives, wall putties, or specialized chemical formulations, it prevents premature drying and eliminates shrinkage cracks, providing a seamless finish and enhanced bonding efficiency for diverse industrial applications.
Detailed Parameters
| Appearance | White Powder | Hydroxypropyl Content (%) | 4.0 - 12.0 |
|---|---|---|---|
| Methyl Content (%) | 19.0 - 30.0 | Viscosity (2% solution) | 50,000 - 200,000 mPa.s |
| Ash Content (%) | 3.0 - 5.0 | Gel Temperature (℃) | 60 - 90 |
| Light Transmittance (%) | ≥ 70 | Whiteness (%) | ≥ 75 |
| Packing Density (G/L) | 370 - 420 | PH Value (25℃) | 5.0 - 8.0 |
Key Advantages
Superior Water Retention
Effectively protects cement and gypsum from poor solidification and cracking caused by rapid evaporation or insufficient mixing.
Enhanced Plasticity
Significantly improves the plasticity of mortar, leading to better workability and higher on-site application efficiency.
Strong Binding Power
Optimized plasticity ensures superior adhesion and binding performance when attaching construction materials to substrates.
Anti-Slipping Effect
Utilizes powerful thickening functions to prevent the sagging or slipping of mortar during vertical application.
High Purity Standards
Maintains excellent whiteness and light transmittance, ensuring no adverse color impact on the final construction surface.
Strict Mesh Control
Precision fineness (100 mesh >96%) ensures rapid dissolution and uniform distribution within the chemical mixture.
Product Gallery
Management Platforms
Quality Control
Rigorous batch testing to ensure viscosity and purity meet international chemical standards.
Production Optimization
Advanced synthesis technology for consistent molecular weight and stable performance.
Supply Chain Stability
Streamlined logistics ensuring timely delivery of HPMC to global manufacturing sites.
Technical Support
Expert guidance on dosage and formulation for specific mortar types.
Storage Management
Climate-controlled warehousing to preserve the chemical activity of cellulose powders.
Compliance Audit
Full adherence to safety data sheets (SDS) and environmental chemical regulations.
Investment Return Comparison
| Performance Metric | Standard Grade | Premium HPMC Grade |
|---|---|---|
| Water Retention Rate | Low/Medium | High (≥ 92%) |
| Workability Period | Short | Extended/Optimized |
| Crack Reduction | Moderate | Significant Reduction |
| Bonding Strength | Standard | Enhanced Adhesion |
| Labor Efficiency | Standard | High (Reduced rework) |
Frequently Asked Questions
HPMC forms a protective hydrophilic layer that slows down the evaporation of water and prevents it from being absorbed too quickly by the substrate, ensuring the cement hydrates fully.
Depending on the application, a viscosity between 50,000 and 200,000 mPa.s is typically used to ensure the correct balance of sag resistance and spreadability.
Yes, HPMC is highly effective in gypsum products to prevent cracking due to fast drying and to improve the overall workability of the paste.
The gel temperature (60-90℃) determines the thermal stability of the product, ensuring that the thickening effect remains stable under various environmental temperatures.
High fineness (e.g., >96% through 100 mesh) ensures that the powder dissolves quickly and evenly, preventing clumps and ensuring a homogeneous mixture.
While HPMC primarily focuses on water retention and thickening, RDP (Redispersible Polymer Powder) is used to increase flexibility and adhesive strength. They are often used together for optimal results.
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Hydroxypropyl Methyl Cellulose( HPMC)
YAGUAN"HPMC is a non-ionic cellulose ether,an odourless, tasteless,non-toxic white powder,soluble in water and most polar organic solvents.The aqueous solution has surface activity, high transparency and stable performance.It has the character- istics of thickening,bonding,dispersing,emulsifying,film-form- ing,suspending,adsorbing,gelling,surface activity,retaining water and protecting colloid.
Redispersible Polymer Powder(RDP)
YAGUAN"RDP belongs to the emulsion powder of ethylene-vinylacetatecopolymer whichcanbe dispersed
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