Platinum miners have been in talks with employers, who are trying to head off strikes in the this vital sector.
Talks are expected this week between the powerful National Union of Mineworkers (NUM) and the world's top two platinum producers, Anglo American Platinum and Impala Platinum (Implats).
Since South Africa is the biggest producer of the precious metal used in jewellery and catalytic converters for cars, any strike would probably have an impact on global platinum prices.
The NUM said on Saturday that Implats had improved its pay rise offer to between 8% and 10%, but the labour group wants bigger, double-digit, increases.
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