... rollerThey are classified in natural rubber (NR), nitrile butadiene rubber (NBR), chloroprene rubber (CR), ethylene-propylene-diene ... printing, electronics, furniture timbering, plastic knurling, laminating, shoe materials, leathers, gels, and types of conveying equipment ... printing, electronics, furniture timbering, plastic knurling, laminating, shoe materials, leathers, gels, and types of conveying ...