丁腈橡胶(参见PBAN) Butadiene Acrylnitrile Rubber,Nitrile Rubber(ASTM,BS)    NBR

硝基纤维素(参见CN) Nitrocellulose    NC

腈基氯丁橡胶 Nitrile Chloroprene Rubber(ASTM)    NCR

低压法聚乙烯 Low Pressure Polyethylene    NDPE

天然橡胶 Natural Rubber(ASTM)    NK,NR