In futures trading at Multi Commodity Exchange, zinc for delivery in September contracts shed 50 paise or 0.41 per cent to Rs 120.50 per kg in a business turnover of 971 lots.
Metal for delivery in October was also trading 40 paise or 0.33 per cent lower at Rs 121.35 per kg in a business volume of 27 lots.
Marketmen said weakness in the base metals pack at the London Metal Exchange and slackened demand at domestic spot markets, mainly weighed on zinc futures.