Greyhound Circulating Oil 100 20L: rust-inhibited ISO VG 100 circulating oil
Greyhound Circulating Oil 100 20L is a rust and oxidation inhibited mineral circulating oil in the ISO VG 100 grade, supplied as one 20 litre pail, the standard plant size. Greyhound developed the range for the conveyor and crusher bearings of copper crushing mills, because water, dust and scale get into the oil there every shift. As a result, the oil resists foaming, separates water quickly and protects steel against rust. In short, it keeps circulating systems clean and running for longer.
Every grade carries an ashless sulphur-phosphorus system with extreme pressure capability. Therefore one product covers both plain circulating duty (the CL class) and circulating systems that also lubricate loaded gearing (the CLP class).
Where Circulating Oil 100 20L excels
ISO VG 100 sits in the medium band of the range. It suits plain and rolling-element bearings on heavier plant, general plant circulating systems and paper machine bearings. Greyhound Circulating Oil 150, 220 and 320 suit dryer rolls, film calenders and corrugators in particular. Typical duties include ball, cement and strip mills, conveyor bearings in mining, plain and rolling-element bearings in ferrous and non-ferrous mills, and any circulating system where water contamination is a problem. It suits ring-oiled, bath and pressure-fed systems alike.
Key benefits
- Rust and corrosion protection: inhibitors protect the internal surfaces of the system, even when water is present.
- Demulsibility: water separates out instead of forming an emulsion, so you can drain it from the reservoir.
- Anti-foam: the oil releases entrained air quickly, which in turn protects pumps and controls.
- Oxidation resistance: long oil life with little sludge or deposit formation.
- Extreme pressure and anti-wear protection: carries loaded gears and therefore extends the life of moving parts.
- High filterability: suitable for very fine filters and oil-mist systems, because it contains no lead compounds.
Technical specifications
| Property | Method | Typical |
|---|---|---|
| Viscosity grade | ISO 3448 | ISO VG 100 |
| Kinematic viscosity at 40 °C | ASTM D445 | 100 cSt |
| Kinematic viscosity at 100 °C | ASTM D445 | 12.4 cSt |
| Viscosity index | ASTM D2270 | 95 |
| Flash point (not less than) | ASTM D92 | 230 °C |
| Pour point | ASTM D97 | -35 °C |
| Density at 15 °C | ASTM D4052 | 890 kg/m³ |
Typical values from the September 2026 Technical Data Sheet, version 2.0. Meets DIN 51524 Part 1 and 2 (HL, HM), ISO 11158 HL and HM, DIN 51517 Part 1 to 3 (C, CL, CLP), ISO 12925-1 CKC and CKD, AGMA 9005-F16 AS, Morgan No-Twist Rod Mill Lubricant, Danieli 0.000.001 Type 21, Schuler Pressen DT 55055, David Brown S1.53.101, SEB 181 226 and U.S. Steel 224. Suitable for use where Fives Cincinnati EP gear oils are specified.
Applications
Ball mills, cement mills, hot and cold strip mills and plate mills. Conveyor bearings in mining applications. Plain and rolling-element bearings in ferrous and non-ferrous mills. Large, slow-speed bearings in mixers and mills. Combined hydraulic and circulating systems where design and maintenance keep leakage low. For the other grades, see the Greyhound Circulating Oil range. For background on the CLP class, see the DIN standards body.
What’s in the box
One 20 litre pail, the standard plant size of Greyhound Circulating Oil 100. Greyhound makes its lubricants in Europe and at ISO-certified plants worldwide, while Industrial Trading Portal (Pty) Ltd distributes them in Africa. Store under cover and below 60 °C.
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