| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Acid Pickling Solutions
Chromic nitric |
| 配方组成： |
Nitric acid/3.25 oz/gal
HF 1.0
Chromic acid/37.5 oz/gal
Operating Conditions
Temp. 70-90'F
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. 70-80'F 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 |
