Oil and grease resistant conveyor belts in China: 1. Made of nitrile butadiene rubber (NBR) 2. Reduced distensibility Oil and grease resistant conveyor belts in ChinaAs a rule, oils and greases have a very destructive impact on rubber, however, materials that contain oil or grease are daily conveyed. In order to protect rubber components in the conveyor belts from swelling, types of rubber that ...