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Depressant

Carboxymethyl Cellulose (CMC)

An organic polymer depressant for talc and naturally hydrophobic gangue, widely used in PGM and nickel-sulphide flotation.

Product codeCMC
Purity / specTechnical grade, viscosity graded on request
AppearanceWhite to off-white powder
Packaging25 kg bags
What it is

Chemical properties

Carboxymethyl cellulose, a cellulose-derived polymer, CAS 9004-32-4, supplied as sodium CMC.

Application

How it’s used

Depresses talc and other naturally floatable gangue minerals, improving concentrate grade without depressing the target sulphides.

Used with / for
  • Talc/gangue depression in PGM, nickel and base-metal flotation
Storage & handling

Store dry and sealed.

Safety

Low hazard; nuisance dust only. SDS supplied with every shipment. Full Safety Data Sheet (SDS) supplied with every consignment.

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