Analysis Item | Quality Index | Detection Result | Testing Method |
Appearance | Colorless clear liquid | Colorless clear liquid | Visual inspection |
Own combustion point | ≥280 | >280 | SH/T 0642 |
Pour point ºC | ≤-30 | -35 | GB/T 3535 |
Density,20ºC,g/cm3 | ≤895 | 833.6 | SH/T 0604 |
Flash point (close),ºC | ≥135 | 165 | GB/T 261 |
Dielectric loss factor(90ºC) | ≤0.005 | 0.0005 | GB/T 5654 |
Ester (calculated as KOH)/(mg/g) | ≤0.01 | 0.007 | NB/SH/T 0836 |
2%, ºC | Report | 384.8 | SH/T 0559 |
Chlorin e content,mg/kg | ≤20 | <1 | GB/T 23971 |
Sulph ur content,m/m | Report | <1.0 | SH/T 0689 |
Interfacial tension/(mN/m) | ≥40 | 52.8 | GB/T 6541 |
Kinematic viscosity, 40ºC,mm2/s | ≤12 | 9.605 | GB/T 265 |
Kinematic viscosity, -20ºC,mm2/s | ≤1800 | 231.6 | GB/T 265 |
Breakdown voltage (untreated oil)/KV | ≥30 | 40 | GB/T 507 |
Copper sheet corrosion (100 °C, 3 h) | ≤1 | 1A | GB/T 5096 |
Corrosive sulfur | Non-corrosive | Non-corrosive | SH/T 0804 |
Ash (mass fraction),% | Report | 0.01 | GB/T 508 |
Water content , mg/Kg | ≤35 | 26 | GB/T 7600 |
Water-soluble acid alkali | N.D. | N.D. | GB/T 259 |
Residual carbon,%(m/m) | ≤0.05 | <0.01 | GB/T 17144 |
Thermal stability (720 h heating at 280 °C) appearance | Transparent and clear without suspension and precipitation | Transparent and clear without suspension and precipitation | GB/T 23799 |
Thermal stability (720 h heating at 280 °C) deterioration rate | ≤10 | 9.6 | GB/T 23800 |
Suitable for graphics card cooling, computer cooling
Immersion cooling system, server cooling
Fish tank main engine coolant, circulating cooling system