Features

Demulsibility – As water is perhaps the major menace to effective lubrication, it is essential that industrial circulating oils exhibit good demulsibility. All TERESSTIC grades shed water readily and are highly resistant to emulsification. These properties promote water separation in the reservoir, thus keeping it from recirculating with the oil. TERESSTIC oils (ISO VGs 32 - 100) typically provide separation times of 15 minutes or less on the standard ASTM D 1401 Demulsibility Test.

Foam Resistance and Air Release – The trend toward shorter residence time for oils in reservoirs makes it essential that industrial circulating oils resist foaming and readily eliminate entrained air. All TERESSTIC grades contain foam inhibitors.

Rust and Corrosion Protection – TERESSTIC oils are formulated with rust inhibitors. Grades 32 through 100 pass both distilled and salt water versions of ASTM D 665. The heavier grades are tested in the distilled water version only. The TERESSTIC line also passes the ASTM copper strip corrosion test, assuring protection of copper and bronze.

In summary, TERESSTIC circulating oils offer the following features and benefits:

  • Excellent demulsibility
  • Well balanced foam resistance and air release
  • Rust- and oxidation-inhibited
  • Long service life
  • Excellent high-temperature stability
  • For mild duty turbines, hydraulic systems, circulating systems, gear cases, heat transfer systems, and reciprocating natural gas compressors
  • Complete range of ISO viscosity grades for all requirements

Applications

TERESSTIC oils are recommended for applications that require dependable lubrication for extended service periods – often for years. They effectively resist high temperatures, prevent rust, and shed entrained water and air. TERESSTIC oils give outstanding performance in hydraulic systems, circulating lubrication systems, gear cases, bearings, reciprocating natural gas compressors, and other industrial units, where a RandO lubricant is required, for which long trouble-free service is required.

Contamination of TERESSTIC oils with other products such as detergent motor oils may substantially impair their quality and could lead to operational problems such as foaming, filter plugging and sludge formation

Typical Properties

Property

77

32

46

68

100

150

220

320

460

Grade

77

ISO 32

ISO 46

ISO 68

ISO 100

ISO 150

ISO 220

ISO 320

ISO 460

Copper Strip Corrosion, 3 h, 100 C, Rating, ASTM D130

1B

1B

1B

1B

1B

1B

1B

1B

1B

Demulsibility, Time to 3 mL Emulsion, 82 C, min, ASTM D1401

15

30

Emulsion, Time to 3 mL Emulsion, 54 C, min, ASTM D1401

20

15

15

20

Emulsion, Time to 3 mL Emulsion, 82 C, min, ASTM D1401

30

30

30

Kinematic Viscosity @ 100 C, mm2/s, ASTM D445

9.3

5.3

6.6

8.5

11.1

14.5

18.8

24

30.4

Kinematic Viscosity @ 40 C, mm2/s, ASTM D445

77

32

46

68

100

150

220

320

460

Neutralization Number, mgKOH/g, ASTM D974

0.06

0.06

0.06

0.06

0.06

0.2

0.06

0.06

0.06

Pour Point, °C, ASTM D97

-12 (10)

-21(-6)

-12 (10)

-12(10)

-12(10)

-12(10)

-12(10)

-12(10)

-12(10)

Rust Characteristics, Procedure A, ASTM D665

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

Rust Characteristics, Procedure B, ASTM D665

PASS

PASS

PASS

PASS

PASS

Viscosity Index, ASTM D2270

95

96

95

95

95

95

95

95

95

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