ມ.ຖ. . 09, 2025 07:00 Back to list
This guide covers the essential aspects of HPMC and HEC cellulose ethers in industrial applications:
(hpmc contact number)
Hydroxypropyl Methyl Cellulose (CAS 9004-65-3) and Hydroxyethyl Cellulose (CAS 9004-62-0) represent vital polymer additives across pharmaceutical, construction and personal care sectors. Global consumption exceeds 850,000 metric tons annually, with projected CAGR of 5.8% through 2030 according to IndustryARC. Precise CAS identification ensures regulatory compliance and batch consistency, while direct manufacturer communication channels optimize technical consultation and supply chain efficiency. Material certifications including USP-NF, EP, REACH and FDA compliance further necessitate verified sourcing protocols.
HPMC demonstrates water retention capacities exceeding 98% in cementitious applications, effectively reducing shrinkage cracks by 30-45% while enabling extended workability windows of 90-120 minutes. Viscosity ranges from 400 to 200,000 mPa·s accommodate diverse formulation requirements, with thermal gel points tunable between 60-90°C. Comparatively, HEC delivers superior pseudoplastic behavior in cosmetic emulsions, achieving 50-75% suspension stability improvement at 0.5-2.5% loading levels. Critical molecular parameters include:
Manufacturer | Viscosity Stability (% deviation) | Lead Times (Days) | MOQ (kg) | Technical Support |
---|---|---|---|---|
Ashland | ±3.5 | 28-42 | 500 | Formulation consultation |
Dow Chemical | ±2.8 | 21-35 | 1,000 | Lab-scale prototyping |
Shin-Etsu | ±1.9 | 35-56 | 800 | On-site troubleshooting |
Lotte Chemical | ±4.2 | 14-28 | 300 | Application data sheets |
SE Tylose | ±2.5 | 42-60 | 1,200 | Process optimization |
Specialized molecular modification protocols enable targeted property enhancements for demanding applications:
Brazilian construction conglomerate TCP Engenharia achieved a 7.3% reduction in material costs by substituting 23% standard HPMC with custom hydrophobized grades in spray plasters. The modified formulation maintained pumpability at 26°C site temperatures while reducing rebound waste to 8.7%. Meanwhile, India's Biovantis Pharma utilized modified release HPMC matrices to extend therapeutic windows by 5-8 hours, enhancing bioavailability to 92% in low-solubility oncology compounds.
Construction sectors drive 52% of global HPMC demand, valued at $1.38B in 2023, while pharmaceutical applications account for 28% of HEC consumption. Regional analysis reveals:
Technicians validate material specifications through triple verification: CAS registry cross-referencing, certificate of analysis review against EN 1348 standards, and lot-specific technical datasheets. Leading distributors provide application-specific hydroxypropyl methyl cellulose cas number listings and direct manufacturing liaison through dedicated hpmc contact number channels. For project-critical support (including formulation troubleshooting and quality deviation resolution), maintain 24-hour access to regional technical managers via verified communication platforms. Bulk procurement should incorporate supplier audits assessing GMP compliance, warehousing conditions, and logistics redundancy systems.
(hpmc contact number)
A: For inquiries about Hydroxypropyl Methyl Cellulose (HPMC), contact Dow Chemical at +1-800-258-2436. Alternatively, visit Dow's official contact portal for region-specific numbers.
A: Ashland's global HPMC support line is +1-888-368-3577 for product questions. Check Ashland's “Contact Us” page for regional HPMC contact numbers and email options.
A: Hydroxypropyl Methyl Cellulose (HPMC) has CAS number 9004-65-3. This universal identifier applies regardless of manufacturer or brand. Verify CAS data via safety documentation like SDS sheets.
A: Hydroxyethyl Cellulose (HEC) is identified by CAS 9004-62-0 across suppliers. Always cross-check CAS in technical specs for quality assurance purposes.
A: For Shin-Etsu HPMC product emergencies, call +1-888-354-7457. Non-urgent technical questions can be directed via their online inquiry form.
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