Physical Rubber prices extended gains on Monday due to a severe supply crunch caused by extreme weather condition in major producing regions, while surging crude oil prices increased the production costs of petroleum-based synthetic rubber, thereby boosting natural rubber demand.
Spot prices for the RSS-4 variety rose to Rs 284.50/kg to its previous closing of Rs 283.50/kg; while the RSS-5 variety gained to Rs 278.50/kg to its previous closing of Rs 277.50/kg.