Technical Data Sheet
Thames Lubricants Ltd
Mineral Lubricating Oil – ISO VG 68
Product Description
Thames Lubricants Mineral Lubricating Oil ISO VG 68 is a high-quality mineral oil formulated for general lubrication of industrial machinery. It provides dependable wear protection, good oxidation stability, and reliable performance across a wide range of operating conditions. Suitable for circulation systems, lightly loaded gearboxes, bearings, and general-purpose lubrication where an ISO VG 68 viscosity grade is specified.
Typical Characteristics
Property
Method
Typical Value
ISO Viscosity Grade
ISO 3448
68
Density @ 15°C (kg/m³)
ASTM D4052
0.880
Kinematic Viscosity @ 40°C (mm²/s)
ASTM D445
68
Kinematic Viscosity @ 100°C (mm²/s)
ASTM D445
8.7
Viscosity Index
ASTM D2270
98
Flash Point (COC) (°C)
ASTM D92
220
Pour Point (°C)
ASTM D97
-12
Demulsibility @ 54°C (min)
ASTM D1401
40/40/0 (20)
Key Features
Reliable lubrication for general industrial applications
Good oxidation resistance for extended service life
Effective rust and corrosion protection
Good water separation characteristics
Compatible with standard seal materials
Applications
Circulating oil systems
Plain and rolling element bearings
Lightly loaded gearboxes
General industrial lubrication where ISO VG 68 oil is required
Health & Safety
Refer to the latest Safety Data Sheet for guidance on safe handling, storage, and disposal.