Hypromellose / Hydroxypropyl Methyl Cellulose / HPMC

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Processing Time:1 Days - 60 Days

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Hydroxypropyl Methyl Cellulose (HPMC)
1.HPMC Introduction:

White to light yellow podwer or grains.HPMC is nearly insoluble in
anhydrous ethanol,ethyl ether and acetone.It is swelled in cold water to form a
transparent or a slight cloudy solution.HPMC can be dissolved into some organic
solvents and aslo in water-organic solvent mixed.

2.HPMC specification:

Items	specifications
	MC	HPMC
	MA	HF	HG	HJ	HK
Methoxy content(%)	27.5-31.5	27.0-30.0	28.0-30.0	16.5-20.0	19.4-24.0
Hydroxypropyloxy content(%)	/	4.0-7.5	7.5-12.0	23.0-32.0	4.0-12.0
Loss on drying,%	5.0 Max
Residue on ignition,%	1.5 Max
Heavy metals,ppm	20 Max
Arsenic,ppm	3 Max
PH	5.0-8.0
Bacterium	1000cfu/gram Max
Mold	100cfu/gram Max
Viscosity(2% solution),mPa.s	5-200000

3.Viscosity specification of HPMC

Level	Grade	Viscosity(2% solution),mPa.s
2910	E3	3
	E5	5
	E15	15
	E30	30
	E50	50
	E100	100
2208	K4M	4000
	K10M	10000
	K15M	15000
	K100M	100000