Description
SINOPEC Extreme Pressure Polyurea-based Grease 7417 is a high-performance grease which combines a superior quality mineral oil with a polyurea thickener. The thickener system provides a high dropping point, while additives impart optimum extreme-pressure and anti-oxidization properties, and outstanding protection against rust and corrosion. According to GB/T 7631.8-90(ISO6743/9-1987), it can be classified as follow: L-XBEHB1, L-XBEHB2.
Features & Benefits
@ Excellent anti-wear and heavy load capability
@ Outstanding resistance to water washing and corrosion
@ Exceptional retention and resistance to high-temperature degradation
@ Prolonged service life
Specification
@ Grease 7417 meets the requirements of specification Q/SH 303.222-2004.
Applications
@ Grease 7417 is designed for the lubrication for various heavy-load bearings worked at high temperature. It is particularly recommended for applications such as large blower fan bearings, hot shaking sieve bearings, rolling mill bearings etc
@ Suitable operation temperature ranged from -20° C to +160° C
SINOPEC Transformer Oil is blended with highly refined mineral base oil and well-chosen anti-oxidizer. Without Polychlorinated Biphenyl (PCB), it is suitable for insulation and cooling for transformer, oil immersed switch and other insulation device of electrical appliances.The product comprises several grades such as 10, 25, 40, 45 according to its low temperature performance.
Advantages
1.Outstanding electrical insulation performance, effectively preventing occurrence of discharge in electric field
2.Good oxidation stability, effectively preventing formation of acidic material and sludge
3.Good thermal conductivity, ensuring effective cooling of transformer core and coiling
Performance
The product meets the following specifications:
1. GB 2536-90
2.Q/SH303 535-2009
3. IEC 60296-2003
Applications
As insulating and cooling medium for transformer of 330kV or below as well as electrical appliance with similar requirements
Typical properties
| Items | Transformer oil |
| | 10 | 25 | 40 | 45 |
| Kinematic viscosity (40ºC), mm2/s | 8.931 | 9.395 | 9.912 | 9.252 |
| Flash point (Closed), ºC | 162 | 153 | 158 | 154 |
| Pour point, ºC | -12 | -27 | -45 | -51 |
| Freezing point, ºC | - | - | - | -55 |
| Breakdown voltage, Kv | 50 | 47 | 50 | 53 |
Complaint
