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化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： METALS AND THEIR TREATMENT
配方說(shuō)明： Acid Pickling Solutions
Chromic nitric
配方組成： Nitric acid/3.25 oz/gal
HF 1.0
Chromic acid/37.5 oz/gal
Operating Conditions
Temp. 70-90F
Time 30 sec. -2 min.
Construction Details
Tanks lined with rubber or vinyl base materials
Comments
Particularly recommended for pickling of die castings.
Metal Removal; Mils
0.5-1.0
Phosphoric aci
Phosphoric acid/115.2 oz/gal
配制方法： Operating Conditions Temp. 70-80F Time 0.5-1 min.
Construction Details Ceramic, tanks lined with rubber, lead or glass Comments For all types of castings. Removes alum. segregations from surfaces of AZ91A and AZ91B alloys.
Metal Removal; Mils: 0.5

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