配方类型:

METALS

配方说明:

Removing Coffee Stains from Stainless Steel

配方组成:

Water/9 gal
Temperature: 200-210 F
Time: 5-15 min
2. Water rinse
3. Solution
Potassium Permanganate/16 oz/gal
Nitric Acid/1 gal
Caustic Soda/32 oz/gal
Hydrofluoric Acid/1 qt
Hydrochloric Acid/1 pt

配制方法:

Temperature: 130-140 F 4. Water rinse.
If the surface condition needs further improvement use bright dipping or electropolishing methods.