配方类型: |
METALS AND THEIR TREATMENT |
配方说明: |
Acid Pickling Solutions Chromic nitrate |
配方组成: |
Sodium nitrate/4 oz/gal Chromic acid/24 oz/gal |
配制方法: |
Operating Conditions Temp. 60-90'F Time 2-20 min.** **Bath maintained at pH of 0.0 to 1.7. Construction Details Ceramic, stainless or tanks lined with lead, synthetic rubber or vinyl base materials. Comments Removal of mill scale and burnt-on graphitic lubricants. Effective as a preclean for welding. Metal Removal; Mils: 0.5 |