Operating temperature condition: 122-131°F (50-55°C)
Specific gravity: 1.4
Appearance: Dark brown
Boiling point: 222.8°F (106°C)
Freezing point: 32°F (0°C)
Volume: 33 ounces (1 liter)
Note: Do not dilute this product with water
Immerse copper board in solution and agitate until etching action is completed. Ferric Chloride can etch up to a maximum of 100g of copper per liter of solution (.33 square meters or 3.5 square feet of 1 oz copper clad board).
Etching process can be sped up by heating the solution to a temperature no higher than 55°C (135°F).