oilproof

oilproof

(ˈɔɪlˌpruːf)
adj
resistant to oil
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
I was forced to borrow from a gunsmith friend a yellow box with the distinctive Red 'X' of Winchester Western 50-grain Full Metal Case that came with a label that said the box contained 50 Oilproof cartridges.
Industry and academic researchers have worked together to produce nanocoatings for textiles that render silk, woollen, and cotton clothing water- and oilproof, prevent clothing from shrinking, and protect silk from discoloration.