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