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Batch No. | RJ130206 | MFG DATE | FEB.06.,2013 |
Specifications | 25kg/drum | EXP DATE | FEB.05,2016 |
Tests | Standard USP 32 | Examinations | |
Appearance | White to slightly off-whitefibrous or granular powder | White powder | |
Identification A To E | Complies | Conforms | |
Methoxy | 28.0-30.0% | 28.2% | |
Hydroxypropoxy | 7.0-12.0% | 8.0% | |
Viscosity | 4-6mpa.s | 5.0mpas | |
Loss on drying | ≤5.0% | 2.6% | |
Residue on ignition | ≤1.5% | 1.0% | |
PH | 5.5-8.0 | 6.7 | |
Heavy Metals | ≤10PPM | <10PPM | |
Arsenic | ≤3PPM | <2PPM | |
Bacterium | ≤1000/g | <1000/g | |
Mold | ≤100/g | <100/g | |
Conclusion | It conforms to USP32. | ||
Test Items | E | F | K | ||||||||
Methoxy% | 28.0-30.0 | 27.0-30.0 | 19.0-24.0 | ||||||||
Hydroxy propyl % | 7.0-12.0 | 4.0-7.5 | 4.0-12.0 | ||||||||
Gelation temperature/°C | 58-64 | 62-68 | 70-90 | ||||||||
Loss on drying % | ≤5.0 | ||||||||||
pH(1%Solution,25°C) | 4.0-8.0 | ||||||||||
Residue on ignition % | ≤1.5 | ||||||||||
TYPE | Viscosity specification(mPa·s) | ||||||||||
E | 50 | 70 | 90 | 400 | * | 8,000 | 15,000 | * | 100,000 | ||
F | 50 | * | * | 400 | 1,500 | 4,000 | 15,000 | * | * | ||
K | 35 | * | * | 100 | 4,000 | * | 15,000 | * | 100,000 | ||
² Application
l used as adhesives, thickeners, water-binding agents, emulsifiers, film-forming reagents, dispersing agents and stabilizers in the pharmaceutical industry
l used as adhesive and water-binding agents in building industry.
l used as thickeners, dispersing agents and stabilizers in paint, printing and ink industry.
l used in plastic industry for forming release agents, softeners, lubricants and so on.
l used in the leather and paper industries, fruit and vegetable fresh-maintaining and textile industry and so on.
HPMC/ hydroxy propyl methyl cellulose