It has preferable compatibility with sulphonate, olefine-succinmide, ZDDP, and other additives.

T121 quality features:

Quality features of product and test methods:

Items	Indices	Test methods
Flash point, (open cup), °C	≥ 170	GB/T3536
Kinematic viscosity, 100 °C, mm2/s	≤ 250	GB/T 265
Density (20 °C), kg/m3	980~1150	GB/T 2540
Total bases number, mg KOH/g	≥140	SH/T 0251
Calcium content, m%	≥5.2	GB/T 17467 Or SH/T 0270
Sulfur, m%	2.3~2.8	GB/T 17467
Water content, V%	≤0.05	GB/T 260
Machinery impurities,m%	≤0.1	GB/T 511

Besides its excellent performance, it has the advantage of light colority. When it is used to blend the 5w/30 sj-grade turbine oil at the dosage of 7.8%, SJ turbine oil additive package has passed the engine bench assessment test of MS III E, VE, IID, CRCL-38, which are required by API SJ turbine oil.

Medium based sulfurized calcium alkyl phenolate(lubricant additive)