Physical Rubber prices extended gains on Monday due to intense manufacturing demand coupled with a severe supply crunch in the market, while higher production costs of petroleum-based synthetic rubber also boosted the demand for natural rubber.
Spot prices for the RSS-4 variety rose to Rs 293.50/kg to its previous closing of Rs 292.50/kg; while the RSS-5 variety gained to Rs 287.50/kg to its previous closing of Rs 286.50/kg.