Origin	China
Classification	Potassium Hydroxide

Is one the basic material of nation economy and widely used in soap-making, synthetic detergent, petroleum, drilling oil-refining, paper-making, textile printing and dyeing, metallurgy, synthetic fiber,pesticide,petrochemical pharmacy food and power industries.

	Superior grade	First grade	Qualified grade
Sodium hydroxide % ≧	99    99.5	99.0	98.0-98.5
Sodium carbonate % ≦	0.45	0.50	0.55
Sodium chloride  % ≦	0.02	0.04	0.05
Ferric oxide  % ≦	0.004	0.005	0.006-0.007
Silicon dioxide  % ≦	0.004	0.006	0.007-0.008
Sodium sulfate  % ≦	0.050	0.070	0.080
Cropper  % ≦	0.0002	0.0003	0.0004
Calcium  % ≦	0.005	0.008	0.008-0.01