... rollerRubber rollerThey are classified in natural rubber (NR), nitrile butadiene rubber (NBR), chloroprene rubber (CR), ethylene-propylene-diene monomer ... production lines, and other industries. Technical Requirements: Rubber hardness can be within 20A0 to 100A0 that ... colors).They are classified in natural rubber (NR), nitrile butadiene rubber (NBR), chloroprene rubber (CR), ethylene-propylene-diene ...