Index Name

ТАp-15V

ТАD-17i

ТSp-10

ТSp-15К

ТSp-14gip

Kinematic viscosity, mm²/s:

-  at 50°С

–

110–120

–

–

–

-  at 100°С

15,0±1,0

Not less than 17,5

Not less than 10,0

15,0±1,0

Not less than
14,0

Viscosity index, not less than

–

100

90

90

85

Temperature, °С:

-  flash temperature in an  open crucible, not lower than

185

200

128

185

215

-  solidification temperature, not higher than

−20

−25

−40

−25

−25

Fraction of total mass, %, not more than:

-  mechanical impurities

0,03

None

0,02

0,01

0,01

-  water-soluble acids and alkalis

None

–

None

–

–

-  water

Traces

Traces

Traces

Traces

None

Corrosion test during 3 h:

-  at 100°С on steel and copper plates

Withstands

–

Withstands

–

Withstands

-  at 120°С on copper plates, points, not more than

–

2s

–

2s

–

Active elements’ fraction of total mass, %:

-  phosphorous, not less than

–

0,1

–

–

–

-  chlorine, not less than

–

–

–

–

0,5

-  sulphur

–

0,7–3,0

–

–

–

Tribological characteristics on ChShM at (20±5)°С:

-  welding loading, N,
not less than

3283

3687

3479

3479

3920

-  scuff index, N,
not less than

490

568

470

539

588

-  deterioration index at loading of 392 N, mm,
not more than

–

0,40

–

0,5

–

Density at 20°С, kg/m³, not more than

930

907

915

910

910