Low Price Ordinary Hydroxypropyl Methyl Cellulose

Ordinary Hydroxypropyl Methyl Cellulose in China

China has emerged as the global leader in ordinary Hydroxypropyl Methyl Cellulose (HPMC) production, supplying over 60% of the world's demand. Ordinary HPMC, distinguished from instant grades by its thermal dispersion requirements, remains a fundamental material for various industries due to its consistent performance and cost-effectiveness.

Manufacturing Process of Ordinary HPMC in China

1. Raw Material Selection

• High-purity cotton linter pulp as primary cellulose source

• Strict quality control on propylene oxide and methyl chloride reagents

• Purified water meeting pharmacopeia standards

2. Production Technology

• Alkali cellulose preparation under controlled conditions

• Etherification reaction with precise temperature and pressure monitoring

• Multi-stage purification process removing by-products

3. Quality Control Systems

• Automated monitoring of substitution degree (DS/MS)

• Continuous viscosity measurement during production

• Batch-wise testing for moisture and ash content

Technical Specifications of Chinese Ordinary HPMC

1. Physical Properties

• Appearance: White to off-white powder

• Bulk density: 0.3-0.5 g/cm³

• Particle size: 80-120 mesh standard (customizable)

2. Chemical Characteristics

• Methoxy content: 19-30%

• Hydroxypropoxy content: 4-12%

• Solubility: Complete in hot/cold water after proper dispersion

3. Performance Parameters

• Viscosity range: 5-200,000 mPa·s (2% aqueous solution)

• Gel temperature: 50-90°C (adjustable)

• pH stability: 3-11

Advantages of Chinese Ordinary HPMC Manufacturers

1. Production Capacity

• Annual output exceeding 300,000 metric tons

• Ability to fulfill large-volume orders with short lead times

• Multiple production bases ensuring supply continuity

2. Quality Assurance

• Compliance with international standards (USP, EP, JP)

• Comprehensive testing protocols for each production batch

• Lot traceability throughout the supply chain

3. Technical Expertise

• Dedicated R&D centers for product improvement

• Custom formulation capabilities

• Technical support teams with application knowledge

Market Position of Chinese Ordinary HPMC

1. Global Supply Network

• Established export channels to 100+ countries

• Local warehouses in key markets

• Efficient logistics solutions

2. Competitive Advantages

• Cost-effective production without quality compromise

• Flexible minimum order quantities

• Stable raw material supply ensuring price consistency

3. Industry Recognition

• Preferred supplier status for multinational corporations

• Long-term contracts with global distributors

• Certifications from international regulatory bodies

Zongsheng's Ordinary HPMC Production Standards

Our manufacturing facility maintains:

Quality Benchmarks:

• ≤1.5% moisture content

• ≤5.0% ash content

• ≥98.5% purity level

Production Capabilities:

• 24/7 continuous operation

• Fully automated packaging lines

• 30-day inventory of finished goods

Technical Support:

• Product customization services

• Sample testing and evaluation

• Technical documentation support

Sustainable Production Practices

Chinese ordinary HPMC manufacturers prioritize:

• Energy efficiency: 25% reduction in energy consumption through process optimization

• Waste management: 99% solvent recovery rate

• Environmental compliance: Meeting REACH and other international environmental standards

Conclusion

China's ordinary HPMC industry combines advanced manufacturing technology with rigorous quality control to deliver products that meet global standards. With continuous process improvements and sustainable production practices, Chinese manufacturers like Zongsheng provide reliable, high-quality ordinary HPMC to markets worldwide.

For detailed product specifications or to request samples, please contact our technical sales team for professional assistance.