NA-LUBE - King Industries, Inc.

Synergistic Effects of Aminic and Phenolic AO CombinationsNA-LUBE ® AO Series - Primary AntioxidantsAminic and phenolic antioxidants impart excellent oxidation stability to formulated functional fluids.Each type provides excellent protection as the sole antioxidant, or they can be used in combinationto take advantage of their synergistic strength to provide outstanding long-term protection. Below isan example of the synergistic effect.Synergy of NA-LUBE AO-142 and NA-LUBE AO-2425004003002001000Rotating Pressure Vessel Oxidation Test(ASTM D 2272)RPVOT (minutes)5004003002001000Base Oil: ISO VG 46 Group II0.20% AO-242 0.20% AO-142 0.10% AO-2420.10% AO-1420.10% AO-2420.10% AO-1420.05% K-CORR NF-200 NA-LUBE AO-142 Performance in Various HX-1 Base OilsFORMULATIONSBase OilTestViscosity@40°CBase Oil WithoutNA-LUBE AO-142Turbine Oil Oxidation Test(ASTM D 943)TOST (hours to TAN > 2 mg KOH/g)Base Oil With0.2% NA-LUBE AO-1425004003002001000.10% AO-2420.10% AO-1420.05% K-CORR NF-2000.05% K-CORR 1031RPVOT - Rotating Pressure Vessel Oxidation Test(ASTM D 2272) Lifetime - MinutesBase Oil With0.5% NA-LUBE AO-142PAO 10 66 cSt 55 266 1095White Oil 110 cSt 31 141 762PAG (Water Soluble) 120 cSt 15 40 344NA-LUBE KR-015FG 114 cSt 92 443 930NA-LUBE KR-029FG 177 cSt 76 905 1400Ester 220 cSt 115 470 2650