Description
The Castrol Spheerol HTB range are non-melting greases based on bentonite clay thickeners containing high viscosity oils, anti-oxidants and are resistant to water.
Application
Spheerol HTB is suitable for use within a very wide temperature range and especially at elevated temperatures for both industrial and automotive applications. The all-round properties make it suitable for various types of bearings, including temperature peaks up to 140°C.
Product Characteristics
|
Name |
Method | Units |
HTB 1 |
HTB 2 |
|
Appearance |
Visual |
– |
Smooth amber /
brown grease |
Smooth amber /
brown grease |
| Thickener type |
– |
Bentone | Bentone | |
| Base Oil Type |
– |
Mineral | Mineral | |
|
NLGI Classification |
ISO 2137 / ASTM D217 |
– |
1 |
2 |
| Worked penetration @ 25°C after
60 strokes, dmm |
ISO 2137 /
ASTM D217 |
0.1 mm |
310-340 |
265-295 |
|
Dropping Point, Grease |
ISO 2176 / ASTM 2265 |
°C |
n/a |
n/a |
|
Base Oil Viscosity @ 40°C |
ISO 3104 / ASTM D445 | mm2/s |
460 |
460 |
|
Base Oil Viscosity @ 100°C |
ISO 3104 / ASTM D445 | mm2/s |
32 |
32 |
| Four Ball Wear Test (1 hr, 40 kg)
Scar Diameter |
ASTM D2266 |
– |
0.5 |
0.5 |
| DIN Classification | DIN 51502 |
– |
K1 N-30 |
– |
| ISO Classification | ISO 6743/9 |
– |
LXCDDA1 |
– |