Category ValueApproval / Standard FMVSS116DOT5.1, SAEJ1703, SAEJ1704, ISO4925 Class5.1Dry Boiling Temperature ≥260°C (≈500°F)Wet Boiling Temperature ≥180°C (≈356°F)Viscosity ≤900mm²/s, in some cases ≤750mm²/s