Physical Rubber prices extended gains on Saturday on account of firm demand from consuming industries. Meanwhile, the International Rubber Consortium indicated that natural rubber output is expected to decrease in the major producing countries, also supported rubber prices' up move.
Spot prices for RSS-4 variety rose to Rs 147/ kg compared to its previous closing of Rs 146.50/ kg; while the RSS-5 variety gained to Rs 144/ kg compared to its previous closing of Rs 143/ kg.