Minimum performance requirements for concentrates intended for use at appropriate dilutions in the cooling systems of all types of liquid-cooled internal combustion engine.
BS 6580:1992 history
2010BS 6580:2010 Specification for corrosion inhibiting, engine coolant concentrate ("antifreeze")
1992BS 6580:1992 Specification for corrosion inhibiting, engine coolant concentrate ('antifreeze')