Гидроксипропилметилцеллюлозы (НРМС)

Hydroxy Propyl Methyl Cellulose (HPMC) Chemical Name: Hydroxy Propyl Methyl Cellulose (H.P.M.C) Specification: Item Range of Viscosity (Mpa.s)Methoxyl Content (wt%) 28-30 27-30 19-24 Very low 5 3-7 Hydrooxypropoxyl Content (wt%) 7-12 4-7.5 4-12 Very low 10 8-12 Gelling Temperature (°C) 58-64 62-68 70-90 Very low 15 13-18 Loss on drying (wt%) 5 maxLow 25 20-30 Ash 1 maxLow 50 40-60 PH (25°C) 4-8Low 100 80-120 Chloride (NaCl) 0.2 maxHigh 4000 3500-5600 Arsenic (ppm) 2High 12000 10000-14000 Heavy metal (ppm) 20High 20000 17000-22000 Apparent Viscosity (2% solution, 20 °C, mpa.s) 5-100000Very High 25000 27000-32000 Very High 30000 27000-32000 Very High 40000 38000-42000 Very High 100000 80000-100000 Physical Property: -Appearance: White or close to white Powder. -Size: 85% through 100 mesh sieve; 100% through 80 mesh sieve Application: Used in pharmaceutical industry as dispersing agent, lubricator and film former. It's used as an adhesive and coating film in tablets, increasing markedly rate of dissolution and release, and strengthen the waterproofing for tablets. It is also be used as mixed dispersing agent. Controlled released matrix tablets. Package, storage, transportation Packing and Storage:It is packed in pasteboard drum and lining with polyethylene film bag. Net weight 25kg per drum, direct sunshine and moisture must be avoided. Produced under FDA’s GMP and meet USP BP and JP Standards