Blue Nitrile Gloves Powder Free Medium (100) powder free Nitrile examination gloves with strong beaded cuffs are as soft supple and comfortable to wear as natural rubber latex but they are significantly stronger and have superior resistance to oil/chemical permeation. "Nitrile" is the name given to a synthetic rubber - Butadiene and Acrylonitrile - which is resistant to contact with a wide range of oils greases chemicals and solvents: petroleum jelly liquid paraffin and xylene are some examples. These gloves contain no natural rubber latex.