Calcium Sulphonates

TBN 400

Over-based 400 TBN calcium sulphonate is  recommended for industrial metalworking, greases and coatings.

400TBN

Characteristics
OSC 41E Best Corrosion inhibitor, excellent water resistance and excellent grease base. Manufacturing process guaranteed silicone free. Synthetic aromatics derived from a Chlorine free process
OCS 42IL Synthetic, Generally lowest cost, good thermal stability
OCS 47C Semisynthetic. Best thermal stability, good all round performance
OCS 40CC Semisythetic. Best chemical stability- lowest free TBN

TBN 300

Over-based 300 TBN calcium sulphonate recommended for industrial, marine and crankcase oils.

300TBN

Characteristics
OSC 34E Best Corrosion inhibitor, excellent water resistance and excellent grease base.
OCS 38R Low cost natural overbased sulphonate
OCS 39B Low cost synthetic overbased sulphonate

Neutral

Neutral calcium sulphonated recommended for R/O oils, Hydraulic oils and turbine oils

Neutral

Characteristics
OSC 05E Effective Corrosion inhibitor, excellent water resistance

 

Calcium Sulphonates Data

Calcium Sulphonates 400TBN

Test

ASTM MethodOCS 414OCS 42ILOCS 47COCS 40CC
Appearance   Dark liquid Dark liquid Dark liquid Dark liquid
Kinematic Viscosity D-445 50 - 120 110 75 75
TBN D-2896 390 - 410 400 405 405
Calcium, % D-4927 15 - 15.8 15.4 15.2 15.2
Calcium Sulphonate D-3409 24 min 20 18.5 18.5
Density at 15º C kg/ l D-4052 1.175 1.2 1.2 1.2

Calcium sulphonates - Other

Test

ASTM MethodOCS 34EOCS 38ROCS 39BCS 05E
Appearance   Dark liquid Dark liquid Dark liquid Dark liquid
Kinematic Viscosity D-445 25 - 65 120 max 60 30
TBN D-2896 295 - 325 285 - 310 285 - 310 25
Calcium, % D-4927 11.5 - 12.5 11.0 min 11.0 min 2.8 Typical
Calcium Sulphonate D-3409 24 min 28 24 44.5
Density at 15º C kg/ l D-4052 1.120 1.12 1.12 0.995