NV EARTH Pro Grade Ultimate Biodegradable Chain Oil uses American grown seed oils and the latest in bio-based chemistries to produce a SAFER, Sustainable and Superior product when compared to conventional petroleum.  This product has great tack, excellent lubricity and the industry's highest flash point up to 600*F , which means an extra 120-200*F of high temperature absorbtion (heat tolerance) compared to low cost petroleum chain oils.  Chainsaw oil is a Total Loss Lubricant (100% gets flung into the environment) so its imperative a chain oil has a ranking of Ultimate Biodegradability ASTM D5864 >60% in less than 28 days.  NV EARTH will give you the highest performance replacement to petroleum while making sure you have zero compromise when going green.