NBR Nitrile-Butadiene-Rubber NBRStandard NBR 85shA NBR Metal DetectableFDA Met-Detec 21CFR 177.2600, EU1935/2004 NBR SolidNBR 90shA NBR LTLow Temperature NBR NBR FDAFDA NBR 21CFR 177.2600, EU1935/2004 X-NBRCarboXylated NBR NBR SoftSofter NBR 73shA