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SP type （thiophosphate）Medium and high extreme pressure industrial industrial gear oil
SP type （thiophosphate）Medium and high extreme pressure industrial industrial gear oil
This product is refined mineral oil as base oil. various additives added antioxidant, antirust, antiwear, extreme pressure and anti-foam modulation.
The product is mainly applied to the use of more harsh conditions, to withstand the larger load of industrial closed gear lubrication, and according to 40 ℃divided into 100,150,220,320,460,680 six grades.
Quality index:
| Item | Quality Index | Test method | |||||
| ISO Viscosity grade | 100 | 150 | 220 | 320 | 460 | 680 | GB/T3141 |
| Kinematic viscosity（40℃）/（mm2/s) | 90-110 | 135-165 | 198-242 | 288-352 | 414-506 | 612-748 | GB/T265 |
| Viscosity index not less than | 70 | GB/T2541 | |||||
| Flash point(opening)/℃ not lower than | 180 | 190 | 200 | 200 | 200 | 200 | GB/T3536 |
| Solidifying point/℃ not higher than | -10 | -10 | -8 | -5 | -5 | -5 | GB/T510 |
| Viscosity index not lower than | report | 75 | GB/T2541 | ||||
| Corrosion test(Copper, 100GB/T. 3h)/grade no gerater than | 1 | GB/T5096 | |||||
| Liquid phase corrosion test (distilled water) | No rust | GB/T11143 | |||||
| Anti-emulsificati(82℃40-37-3mL)/min no greater than | 30 | GB/T7305 | |||||
| Bubble nature (Bubble tendency93.5℃)/mL no greater than | 50 | GB/T12579 | |||||
| Timken machine test (OK load)/N(b） not less than | 267（60） | GB/T11144 | |||||
| gear test (A/8.3/90)/FZG Pass grade | report | GB/T0306 | |||||
|
Oxidation stability (95℃，312h）100℃ Viscosity growth/% |
report | GB/T5004 | |||||
| Mechanical impunties/% no greater than | 0.02 | GB/T511 | |||||
| Moisture/% no greater than | trace | GB/T260 | |||||
Second, Marking, packaging, transportation, storage and transportation
Marking, packaging, transportation, storage and delivery acceptance by SH0164-92.
Third, sampling
Sampling according to GB/T4756 for 2L for inspection and retention.
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