Carbomer 980

Appearance

White, Fluffy powder

Solubility

When neutralized with alkali hydroxide or amine it dissolves in water, alcohol and gylcerin

Odor

Slightly Acidic

Loss on drying

Not more than 2.0 % w/w

Bulk density

Between 0.19 to 0.27

Ph (1% soln. in water)

Between 2.50 to 3.0

Heavy metal (as Pb)

Not more than 10 ppm

Arsenic (as As)

Not more than 2 ppm

Viscosity (0.5 degree w/v in water,spindle no 7, 20 RPM at 25 degree C)

Not less than 56.0% and Not more than 68.0 % w/w of free carboxylic acid group

Clarity of 0.5 % w/v solution in reference with water t 420 nm spectrophotometer

Not less than 85 %

Residual Solvents
Ethyl Acetate
Cyclohexane

Not more than 3000 ppm

Not more than 3000 ppm