Melting point: 770℃
White crystal with sweet; soluble in water, acid and alkali, but ethyl alcohol.
Aqueous solution is acidity. It will be aluminum hydroxide after hydrolyzation.
There will be aluminum hydroxide sulfate after long-time boiling.
No toxicity and the dust can have the eye uncomfortably.
Application:
Purify the drinking water and industrial water because it can condense the colloidal impurities in water.
Do the sizing to paper when it combines with saponified rosin.
Produce aluminum salt in inorganic chemical industry.
It can used in manufacturing the fiberboard and prevent wood corrosion.
Confect the fire foam with the baking soda and foaming agent.
Precipitator, fixer and filler of chrome yellow and mordant pigment.
White leather tanning agent in leather industry.
Mordant and seepage control agent in the printing and dyeing industry.
Clarifying agent in oil production industry.
Deodorant bleaching agent in petroleum industry.
Astringent and waterproof agent in medical industry.
Chemical and physical property:
Item | Unit | Guaranteed Value | |
No Fe | Low Fe | ||
Al2O3 | % | ≧17 | ≧15.6 |
Fe | % | ≦0.005 | ≦0.5 |
Insoluble in water | % | ≦0.05 | ≦0.2 |
pH (1% solution) | *** | ≧3.0 | ≧3.0 |
Packing:
Woven bag with film (25kg)
