Hydroxy Propyl Methyl Cellulose Shanhe Chemical for Building and Coatings

‌Product Overview‌

Hydroxypropyl Methyl Cellulose (HPMC) SH-2000 by Shanhe Chemical is a next-generation cellulose ether engineered to redefine material performance in construction and coating systems. With a tailored substitution ratio (methoxy: 28-30%, hydroxypropyl: 7-12%), this ultra-pure additive delivers unmatched water retention, rheological control, and interfacial adhesion across diverse formulations. Certified for global architectural and industrial applications, HPMC SH-2000 meets EN 934-3, ASTM C387, and GB/T 29594 standards while offering exceptional compatibility with both organic and inorganic matrices.

‌Technical Specifications‌

‌Physicochemical Properties‌

‌Functional Performance‌

• ‌Water Retention‌: ≥98% at 23°C/50% RH (EN 13480)
• ‌Open Time Extension‌: 50-70 minutes in tile adhesives
• ‌Adhesion Strength‌: ≥2.2 MPa (EN 12004)
• ‌Slump Retention‌: ≤3 mm loss over 120 minutes (ASTM C1437)

‌Advanced Manufacturing Process‌

Produced via ‌Continuous Vapor-Phase Etherification Technology‌:

1. ‌Base Material‌: α-cellulose (≥99% purity) from FSC-certified wood pulp
2. ‌Reaction Engineering‌:
   • Alkaline activation at 40-50°C with 18-22% NaOH
   • Methylation and hydroxypropylation under 8-12 bar pressure
3. ‌Purification‌:
   • Multi-stage centrifugal washing (ethanol/water)
   • Nanofiltration for DS (Degree of Substitution) control
4. ‌Drying & Milling‌:
   • Fluidized-bed drying at 70-80°C
   • Anti-static milling for dust-free handling

‌Quality Assurance‌:

• ±2% viscosity batch consistency
• Heavy metals (Pb, Cd, Hg) <5 ppm (ICP-OES)
• Full traceability from cellulose source to final packaging

‌Multi-Industry Applications‌

‌1. Tile Adhesives & Grouts‌

• ‌Extended Workability‌:
  • Maintains 1.8 N/mm² adhesion after 60-min open time
  • Non-sag performance up to 10 mm layer thickness
• ‌Substrate Compatibility‌:
  • Concrete: 100% bond retention after 28-day curing
  • PVC/Cement Board: 0.9 MPa tensile adhesion

‌2. Dry-Mix Mortars‌

• ‌Rheology Control‌:
  • 30-35% water reduction in self-leveling compounds
  • 45% faster tool cleaning vs. conventional HPMC
• ‌Crack Resistance‌:
  • 0.015 mm/m drying shrinkage (EN 12617-4)
  • 95% plastic settlement reduction

‌3. Architectural Coatings‌

• ‌Film Formation‌:
  • Achieves 95° gloss retention in acrylic emulsions
  • Prevents pigment settling for 12+ months
• ‌Waterborne Systems‌:
  • Reduces syneresis in high-PVC formulations
  • Enhures 5-cycle freeze-thaw stability

‌4. Gypsum Plasters‌

• ‌Hydration Control‌:
  • 90-120 minute adjustable set time
  • Eliminates surface efflorescence
• ‌Application Smoothness‌:
  • N4-N5 surface finish (EN 13914)
  • 50% reduction in trowel marks

‌5. Industrial Formulations‌

• ‌Ceramic Slurries‌:
  • 25% lower deflocculant demand
  • Enables 0.5 mm thin-cast bodies
• ‌Oil Drilling Fluids‌:
  • Maintains viscosity at 150°C/15,000 psi
  • API 13A filtration control compliance

‌Competitive Advantages‌

‌Performance Leadership‌

• 45% higher water retention vs. standard HPMC grades
• 70% faster dissolution in cold water (≤10°C)
• 0.4% dosage achieves 98% sag resistance

‌Economic Value‌

• Reduces cement content by 15-20% in lean mixes
• Eliminates need for separate thickeners/retarders
• Cuts energy costs with low-temperature processing

‌Sustainability Edge‌

• 100% biodegradable (OECD 301B certified)
• 40% lower carbon footprint vs. petrochemical alternatives
• Zero VOCs (GB 18582-2020 compliance)

‌Certifications & Compliance‌

• ‌Construction Standards‌:
  • EN 934-3 (Admixtures for Masonry Mortar)
  • ASTM C387 (Mortar Compatibility)
  • JIS A 6909 (Japanese Industrial Standard)
• ‌Safety Approvals‌:
  • REACH Annex XVII (EU)
  • FDA 21 CFR 175.300 (Indirect Food Contact)
  • China GB 9685-2016 (Food Safety)

‌Smart Packaging Solutions‌

• ‌Standard Options‌:
  • 25 kg triple-layer kraft/PE bags (≤0.02% moisture ingress)
  • 500 kg FIBCs with UV-blocking liners
• ‌Premium Features‌:
  • RFID-enabled batch tracking
  • Pre-blended additive kits for specific applications
  • Vacuum-sealed 1 kg R&D samples

‌Technical Support Services‌

• ‌Formulation Optimization‌:
  • Lab-scale trials with rheological profiling
  • 3D-printed prototype testing
• ‌Quality Troubleshooting‌:
  • On-site application diagnostics
  • FTIR analysis for contamination detection
• ‌Regulatory Guidance‌:
  • Global compliance documentation packages
  • SDS customization for 30+ countries

Hydroxypropyl Methyl Cellulose SH-2000 stands as the cornerstone of modern construction chemistry, combining precision engineering with sustainable manufacturing principles. Shanhe Chemical's global network of application specialists provides 24/7 technical support, ensuring optimal performance across varying climatic conditions and formulation requirements.

 

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