PM XERAMIC® CERAMIC SYNTHETIC CHAIN SPRAY is an advanced chain spray with longlife properties, based on a ceramic material. This unique material, originally developed for use in space flight, has now been given a revolutionary application by PM Xeramic®. PM Xeramic® Synthetic Chain Spray is composed of synthetic elements, enriched with ceramic material and special additives that results in a unique lubrication. The PM Xeramic® Synthetic Chain Spray does not dry-out; it keeps the chain flexible and is heat resistant. O-ring tested!