HH-1866 Polyol Ester POE Synthetic Base Oil for Transformer Oils
G1866 polyol ester POE Ester Base Oil Special for Transformer Oil has excellent lubrication performance.
- Haohui
- China
- Within 10 days based on the confirmed order
- 5000mt/year
Details
HH-1866 polyol ester
POE Ester Base Oil Special for Transformer Oil
Description：
HH-1866 polyol ester is synthesized by a variety of saturated fatty acids and polyols under special conditions. HH-1866 has excellent lubrication performance, low expansion coefficient, high breakdown voltage, excellent flame retardant, high thermal oxidation stability and low water content. G1866 can be widely used for power transformers with up to 238kw power, traction transformers, transformers with branch switches, etc. Its quality is equal to that of 7131.
Characteristics：
Item | Test Method | HH-1866 |
Appearance | Visual | transparent liquid |
Color | GB/T3143 | W50 |
Density(20℃, kg/m3) | GB/T 1884 | 950〜975 |
KV,(40℃,mm2/s) | GB/T 265 | 25 〜35 |
KV,(100℃,mm2/s) | GB/T 265 | 5〜8 |
Viscosity index（VI） | GB/T 1995 | N105 |
Pour Point,℃ | GB/T 3535 | W-50 |
Flash Point（COC）,℃ | GB/T 261 | N250 |
ignition point,℃ | GB/T 3536 | N300 |
Acid number,mgKOH/g | GB/T 7304 | W0.02 |
hydroxyl value,mgKOH/g | GB/T 7383 | W1 |
Water,ppm | SH/T 0207 | W50 |
breakdown voltage,kv | GB/T 507 | N45 |
dielectric dissipation factor(90℃, 50hz) | GB/T 5654 | W0.03 |
Key Performance Benefits：
1. Excellent low temperature performance
2. High flash point and ignition point
3. High breakdown voltage
4. Excellent fire-resistance performance
5. Low coefficient of thermal expansion
6. Good biodegradability
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