Compressor Oils

A range of special lubricants to lubricate both the working parts and the pressurized spaces in a compressor. MotulTech offers high-performance products for almost any piston and screw compressors, from small single-stage units to multi-stage versions with very high output. Depending on the application, you can find products on a mineral or synthetic basis, from 3,000 to 10,000 hrs service life.

MINERAL

VIS

📄 Datasheet (PDF)

Application

Lubrication of screw air compressors as well as vacuum pumps.

Advantages

Excellent anti-wear performances.
Excellent corrosion protection.
Excellent oxidation resistance and thermal stability at high temperatures.
Low ash and carbon formation.
Zinc-free.

Classifications & approvals

DIN 51506 (VBL, VCL, VDL)
ISO/DP 6521 (DAA, DAB, DAH, DAG)

Product name	Viscosity at 40°C (cSt)	Viscosity at 100°C (cSt)	VI	Pour point °C	Flash point °C
Vis 32	32	5.5	108	-15	226
Vis 46	45	7	110	-39	230

Further technical data

Appearance	Clear
Colour (ASTM D1500)	0.5
Density at 20°C	0.860
Copper Corrosion	1b
4-Ball – Weld load	126 kg
4-Ball – Wear scar	0.4 mm
Operating temperature range	40-90°C (maximum 130°C)
Foaming (Seq I, II, III)	10-0/10-0/10-0 mL/mL
Recommended oil drain interval	3,000 hours

Available packaging

Jerrycan 20 L
Drum 208 L
IBC 1000 L

MINERAL

ALTERNA

📄 Datasheet (PDF)

Application

Lubrication of reciprocating compressors as well as vacuum pumps.

Advantages

Excellent anti-wear performances.
Excellent corrosion protection.
Excellent oxidation resistance and thermal stability at high temperatures.
Low ash and carbon formation.
Zinc-free.

Classifications & approvals

DIN 51506: VBL, VCL, VDL
ISO/DP 6521: DAA, DAB, DAH, DAG

Product name	Viscosity at 40°C (cSt)	Viscosity at 100°C (cSt)	VI	Pour point °C	Flash point °C
Alterna 68	68	9.1	109	-15	230
Alterna 100	101	11.7	105	-15	230
Alterna 150	150	15.4	103	-15	232

Further technical data

Density at 20°C	0.863–0.865 kg/l (depending on viscosity grade)
Appearance / Colour	Clear
Copper strip corrosion	1B (ISO 2160)
4-ball wear scar	0.31–0.39 mm (ASTM D2783)
4-ball weld load	126 kg (ASTM D2783)
Foam test (Seq I/II/III)	10-0/10-0/10-0 ml/ml (NFT 60129)
Operating temperature range	50°C – 130°C
Recommended oil change interval	3,000 hours

Available packaging

Jerrycan 20 L
Drum 208 L

SYNTHETIC

BAR SY

📄 Datasheet (PDF)

Application

High performance synthetic lubricants for rotary and reciprocating compressors.

Advantages

Excellent wear and corrosion protection.
Very long drain intervals for reduced compressor maintenance.
Reduces varnish and lacquer deposits.
High viscosity index.
Very low volatility for lower oil consumption.
High oxidation resistance.
Excellent separation from air and water.

Classifications & approvals

DIN 51506: VCL, VDL

Product name	Viscosity at 40°C (cSt)	Viscosity at 100°C (cSt)	VI	Pour point °C	Flash point °C
Bar SY 46	46	7.5	128	-36	238
Bar SY 68	70	10	124	-33	250
Bar SY 100	101	12.5	117	-27	252

Further technical data

Density at 20°C	0.861 g/ml (ISO 12185)
Copper strip corrosion	1B (ISO 2160)
4-ball wear scar	0.34 mm (ISO 20623)
Foam test (Seq I/II/III)	0/0-0/0-0/0 ml/ml (NFT 60129)
Oxidation stability (RBOT)	2066 min (IP 229)
Recommended oil change interval	8,000 hours

Available packaging

Jerrycan 20 L
Drum 208 L

SYNTHETIC

SUPRABAR SY

📄 Datasheet (PDF)

Application

High performance lubricant for modern reciprocating or rotary air compressors operating under extreme climatic conditions, harsh environments and other severe operating environments and requiring extended oil change intervals.

Advantages

Excellent anti-wear performance.
High viscosity index, can be used in a large temperature range.
Very severe operating conditions.
Optimum efficiency.
Excellent protection against corrosion, varnish and lacquer deposits.
Increased draining intervals, up to 10,000 hrs for reduced maintenance costs.

Classifications & approvals

DIN 51506: VBL, VCL, VDL
ISO/DP 6521: DAA, DAB, DAH, DAG

Product name	Viscosity at 40°C (cSt)	Viscosity at 100°C (cSt)	VI	Pour point °C	Flash point °C
Suprabar SY 32	32	6.2	146	-42	260
Suprabar SY 46	46	7.7	148	-36	272
Suprabar SY 68	68	11.1	155	-42	280

Further technical data

Colour (ASTM D1500)	0.5
Density at 20°C	0.825–0.832 kg/l (depending on viscosity grade)
Fire point	298–312 °C (ASTM D92)
Copper corrosion	1A (NF EN ISO 2160)
4-ball weld load	126–160 kg (ASTM D2783)
4-ball wear scar	0.66–0.72 mm (1h at 40kg, ASTM D2783)
Foam test (Seq I/II/III)	0/0-0/0-0/0 ml/ml (NFT 60129)
Recommended oil change interval	up to 10,000 hours

Available packaging

Jerrycan 20 L
Drum 208 L

VIS

Application

Advantages

Classifications & approvals

Further technical data

Available packaging

ALTERNA

Application

Advantages

Classifications & approvals

Further technical data

Available packaging

BAR SY

Application

Advantages

Classifications & approvals

Further technical data

Available packaging

SUPRABAR SY

Application

Advantages

Classifications & approvals

Further technical data

Available packaging

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