BioTherm Fluids HD 55 Gallon - Nitrited Glycerin Antifreeze, Engine Coolant, Heat Transfer Fluid

BioTherm Fluids® HD is a patented biobased, ready-to-use, non-glycol coolant / anti-freeze / heat transfer fluid which combines highly refined glycerin certified to ASTM D7640 and a traditional nitrite coolant corrosion inhibitor package (No Amines or Phosphates) to create a heavy duty glycerin coolant suitable for use in virtually any engine application. Looking for a nitrite free coolant / antifreeze? See IceClear HD. PERFORMANCE BioTherm Fluids HD meets the requirements of ASTM D7714 (Glycerin Base Engine Coolant for Automobile and Light-Duty Service) and ASTM D7715 (Standard Specification for Fully-Formulated Glycerin Base Coolant for Heavy-Duty Engines). Our corrosion package provides outstanding extended protection against liner pitting and corrosion of steel, copper, brass, solder, cast aluminum, and cast iron. BioTherm Fluids HD lubricates pumps and valves, provides excellent scaling resistance, is fully compatible with gaskets, seals, elastomers and other non-metallic pump and engine parts, offers a freeze point of -31° F, burst protection to -50° F. BioTherm Fluids HD provides extended life up to a 350,000 mile change interval in properly maintained engine systems. BioTherm HD is the leader in quality, safety and environmental concerns and is a 100% certified USDA Biobased Product in the USDA BioPreferred® Program. BioTherm HD is readily biodegradable, non-toxic, non-hazardous and has a neutral pH. Glycerin is considered "GRAS", (Generally Recognized As Safe) by the FDA (Federal Food and Drug Administration).

Browse Our Catalog.

View More In Antifreezes & Coolants.