Engine coolants concerns

Follow the recommendations of your vehicle manufacturer concerning engine coolants and be certain the product you select conforms to standard specifications for engine coolant such as ASTM Specification for Ethylene Glycol Base Engine Coolant (D 3306). Any high quality engine coolant must pass the requirements of this specification. 

Uses Corrosion inhibitor for coatings, inks, oil refineries, engine coolants, and other prods, where metal protection is a concern surf, passivation agent which forms a monomolecular bond with metal surfs, to prevent oxidation esp. effective on aluminized steel Properties Tan vise. Iiq., mild odor sp.gr. 0.92 (15/4 C) flash pt. 82 F 4.8-5.3% P, 3.4-3.7% N... 

The engines used in automotive vehicles of all kinds, and as stationary power sources, consume air and liquid fuel as their energy source, and rely on liquid lubricant and coolant to maintain them in good condition. Another fluid - the exhaust gas - is currently of considerable environmental concern, as a source of atmospheric pollution. So there are five fluids involved in the operation of an engine, all needing filtration for one reason or another ... 

---