THIS AEROSOL SPRAY RESISTS DIRT AND WILL NOT FLING OFF CHAIN. WILL NOT ABSORB ABRASIVE CONTAMINANTS LIKE PAPER DUST, MILL POWDERS, LINT AND GRASS. CHAIN SAVER LUBE IS SAFE FOR USE ON SEALED CHAINS USING O RINGS, Z RINGS, ETC MADE OF BUNA-N OR NITRILE RUBBERS.
