BioLube CBC is a readily biodegradable chain saw bar and chain lubricant designed for chain saws used in forestry, landscaping and similar applications. Its excellent lubricity and temperature stability provide smooth mechanical performance and superior anti-wear protection while itâ€™s added tackiness minimizes sling loss. BioLube CBCâ€™s readily biodegradable formula protects vegetation, wildlife and the environment, and is suitable for the lubrication of chain saws and similar wood cutting equipment in all ecologically sensitive environments. This product is offered in two viscosities, ISO 46 and ISO 100. The 46 is preferred in colder conditions and the 100 is preferred in warmer conditions.