Dow Norkool SLH 30 is a 30% inhibited ethylene glycol coolant that contains a nitrite inhibitor package for high RPM compression engines (greater than 750 RPM). Norkool SLH 30 is a completely formulated and pre-diluted coolant with propylene glycol, deionized water, and a complete inhibitor system. Norkool SLH 30 coolant is desirable when high quality dilution water is unavailable or when the convenience and accuracy of a pre-diluted product is desired.
