Physical Rubber prices extend weakness on Friday

Physical Rubber prices extended weakness on Friday tracking weak tyre manufacturing demand from the world's largest consumer, China. However, supply shortages and higher production costs for petroleum-based synthetic rubber capped further falls.Spot prices for the RSS-4 variety fell to Rs 298/kg compared to its previous closing of Rs 299/ kg; while the RSS-5 variety declined to Rs 293/kg compared to its previous closing of Rs 294/kg.