A Clay Depressant commonly used in South Africa to help produce a cleaner froth flotation concentrate is:

• Product: Oxfloat 108
• Preparation: Make 1% solution in water. Add product to water into stirred beaker to prevent lumping. Allow sufficient time to dissolve.
• Dosage: Dosage varies widely depending on Clay content and ore characteristics. 30 – 150 g/t.