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L-CDK Industrial Gear Oil 220#
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Product Introduction
CKD heavy-duty industrial closed-gear oil is meticulously formulated using high-quality lubricant base oils combined with multifunctional composite additives and advanced blending technology. This product boasts excellent extreme-pressure anti-wear performance, as well as good thermal oxidation stability, rust prevention, and emulsion resistance. The product is made from refined, high-grade base oils blended with imported composite additives. Its performance meets the standards of GB5903-2011 L-CKD, AGMA 250.04 EP, DIN 51517 (Ⅲ), and US Steel 224.
Scope of application
Lubrication for enclosed gear transmission systems with heavy loads, high temperatures, and impact conditions, where the tooth surface contact stress exceeds 1100 MPa, suitable for underground mining, cement plants, and metallurgical rolling mills.
Performance features:
·Excellent extreme-pressure and anti-wear performance effectively prevents gear surface scoring, wear, and galling, ensuring smooth gear operation.
·Excellent antioxidant and thermal stability performance, preventing sludge and varnish deposits, and ensuring a long oil service life.
·Excellent rust prevention and emulsion resistance, effectively preventing corrosion and rust even when water enters the gears.
·Excellent anti-foaming performance, providing effective oil film protection and maintaining excellent lubrication and heat dissipation capabilities.
| Inspection item / Item | Standard requirements / standard | Analysis results / Results | Experimental method / Method |
| Kinematic viscosity (40℃), mm²/s | 198-242 | 226.66 | GB/T 265 |
| Kinematic viscosity (100℃), mm²/s | Report | 28.06 | GB/T 265 |
| Viscosity Index | ≥90 | 160 | GB/T 1995 |
| Flash point (open cup), ℃ | ≥200 | 240 | GB/T 3536 |
| Pour point, ℃ | ≤—9 | -36 | GB/T 3535 |
| Copper strip corrosion (100℃, 3h) / Grade | ≤1 | 1 | GB/T 5096 |
| Moisture | Traceless | None | GB/T 260 |
| Mechanical impurities, % | ≤0.02 | None | GB/T 511 |
| Foaming, (foam tendency) mL/mL | GB/T12579 | ||
| 24℃ | ≤50/0 | 5/0 | |
| 93.5℃ | ≤50/0 | 0/0 | |
| 24℃ later | ≤50/0 | 5/0 |
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