高温导热油使用寿命 性能指标每半年应进行一次测试

Appearance  外观

Celear, yellow liquid

Composition 成分

Synthetic hydrocarbon mixture

Moisture Content, Maximum  含水量

250 ppm

Flash Point (ASTM D-92)    闪点

193℃(380℉)

Fire Point (ASTM D-92)      着火点

216℃(420℉)

Autoignition Temperature(ASTM D-92)自燃点

366℃(690℉)

Kinematic Viscosity, at 40℃ 粘度(40℃)

19.0mm²/s(cSt)     

  at 100℃               粘度(100℃)

3.5mm²/s(cSt)

Density at 25℃             密度

868kg/m³(7.25lb/gal)

Specific Gravity (60℉/60℉)  比重

0.876

Coefficient of Thermal Expansion 膨胀系数

0.00075/℃

Average Molecular Weight     分子量

320

Pour Point                  倾点

-54℃(-65℉)

Pumpability, at 2000 mm²/s(cSt)  可泵性

-28℃(-19℉)

Minimum Temperatures for Fully Developed Turbulent flow (Re=10000)

     10ft/sec, 1-in tube

67℃(152℉)

     20ft/sec, 1-in tube

45℃(114℉)

   Transition Region Flow(Re=2000)

     10ft/sec, 1-in tube

24℃(75℉)

     20ft/sec, 1-in tube

11℃(52℉)

Boiling Range, 10%       蒸馏     10﹪

340℃(644℉)

             90%               90﹪

390℃(734℉)

Maximum Use Temperature**使用温度

315℃(600℉)

Maximum Film Temperature**油膜温度

335℃(635℉)

Pseudocritical Temperature 临界点

512℃(953℉)

Pseudocritical Pressure临界压力

13.2bar(191psia)

Pseudocritical Density临界密度

258kg/m³(16.1lb/ft³)