… Degras; residues resulting from the treatment of fatty substances or animal or vegetable waxes. …
Explanatory notes
… as “moellen” and “sod oil”) is a residue from the oil tanning of chamois leather, obtained by pressing or … with waste of hair, membranes and skin. Natural degras takes the form of very thick, pasty, homogeneous liquids, … mixtures of any of these oils) mixed with wool grease, tallow, rosin oils, etc., and, sometimes, with natural …