Specification

Industrial grade

Pharmaceutical grade HG-HMP

HG-E

HG-F

HG-K

Appearance

White or off-white powder

Methoxy group

28.0-30.0%

27.0-29.0%

19.0-24.0%

19.0-30.0

Hydroxypropoxy group

7.0-12.0%

4.0-7.5%

4.0-12.0%

4.0-12.0

Gel temperature

58-65°C

62-70°C

70-91°C

/

pH

5.0-7.5

4.0-8.0

Viscosity(2%solution, 20°C )

5-100000mPa . s

0.005-0.075Pa . s

Finesses

80-100mesh

80-100mesh

Weight loss on drying

≤ 5.0%

≤ 5.0%

Residue on ignition ( Calculated as sulphate )

≤ 1.5%

≤ 1.0%

Arsenic

/

≤ 0.0002%

Heavy metals

/

≤ 20 ppm

Hygienics examine

Microbial quantity

/

≤ 1000 /g

Mildew quantity

/

≤ 100 /g

Colibacillus

/

Can not be inspected out