Oil resistance electrical wire neoprene rubber grommet

Is neoprene rubber oil resistant? 

Neoprene offers moderate resistance to oils and petroleum products, but provides significantly greater resistance to sunlight, ozone, and weather. The differences don't end there. Nitrile rubber has poor flame resistance. By contrast, neoprene provides very good-to-excellent resistance against the spread of flame.

Rubber Grommets & EPDM Rubber Grommets, which are designed to be pushed into holes, eliminate sharp edges to protect automotive & electrical wires, cables, hoses, tubing, air lines, rope or else passing through from damage and vibration like rubber bumper, bushing & sleeves. OEM Cable Round Square Oval Rubber Grommet 

What type of rubber is oil resistant?
Nitrile (NBR; BF, BG, BK, CH): The nitriles are copolymers of butadiene and acrylonitrile, used primarily for applications requiring resistance to petroleum oils and gasoline. Resistance to aromatic hydrocarbons is better than that of neoprene but not as good as that of polysulfide.