Rubber prices turned weak on Monday. The market lost ground following the dip in domestic and international futures and Bangkok spot prices. According to sources, selling from dealers was visible in most of the counters as buyers stayed back letting the prices to seek further lows. Major consuming industries remained inactive but certain tyre companies seemed to be active in sheet rubber but they kept the volumes low.

Sheet rubber moved down to Rs 226 (230) a kg according to traders. The grade closed weak at Rs 227 (230) a kg both at Kottayam and Kochi as per Rubber Board.

The March series surrendered to Rs 222 (225.74), April to Rs 229.20 (233.53), May to Rs 233.09 (237.46), June to Rs 235 (239.71) and July to Rs 235.44 (239.92) a kg for RSS 4 on the National Multi Commodity Exchange.

RSS 3 (spot) weakened to Rs 267.53 (270.10) a kg at Bangkok. The March futures for the grade declined to ¥491.9 (Rs 269.93) from ¥501.5 during the day session and then to ¥485 (Rs 266.15) a kg in the night session on the Tokyo Commodity Exchange.

Spot rates were (Rs/kg): RSS-4: 226 (230); RSS-5: 224 (228); ungraded: 223 (225); ISNR 20: 226 (229) and latex 60 per cent: 135 (137).