... NBR rubber o ring NBR material, 1. AS568 standard OEM high quality NBR rubber o ring features :1) Material: NBR ( NR, FPM, ... can produce according to your samples or drawings. Catalogue Details : Material NBR ( NR, FPM, MVQ, EPDM are available ) Characteristics ... -resistant b. wearing-resistant c. oil-resistant Specifications AS568 Standard Colors black,blue,brown,green, red, white, purple Packing ...