열매체유 실리콘 오일( Cooling & Insulating Oil)
실리콘은 오일은 투명한 액체로서 무독성, 환경 오염의 위험이 낮으며, 가수분해 안정성이 우수, 부식성 없음, 산화안정성, 온도변화에 따른 점도변화 극히 적음, 고주파에서에도 절연성 우수, 열전도성 우수, 증기압낮음, 다습건조하에서 표면저항 우수, 발수성, 표면 장력이 낮음
  DC-561 DC-510 Fluid DC-550 Fluid DC-710 Fluid
특성(Properties) Transformer Fluid
특징(Features) Good electrical propeties,
Essentially nontoxic,etc
Thermal Stability,
Low flammability
Thermal Stability,
Low flammability
Thermal Stability,
Low flammability
적용용도(Applications) Cooling and insulating
fluid for transformers, etc
Heater transfer,
Nuclear plants, etc
Heater transfer,
Nuclear plants, etc
Heater transfer,
Nuclear plants, etc
물성(Physical properties)        
Apperance( Crystal clear liquid from suspended matter and sediment) Crystal clear fluid
Specific Gravity @ 25℃(77℉) 0.96 0.985,0,992,0.997,0.990 1.07 1.11
Viscosity/Cst, @ 25℃(77℉) 50 50, 100,  500, 30000 125 500
Viscosity/Temperature Coefficient - 0.655 0.760 0.79
Color, APHA - 20,20,20,50 40 40
Flash Point, open cup, ℃(℉), Minimum 〉300(〉572) 274(525) 308(586) 302(575)
Fire Point, estimated, ℃(℉) 370(698) 〉343(〉650) 〉343(〉650) 〉343(〉650)
Autoignition Temperature, estimated, ℃(℉) - 482(900) 482(900) 487(910)
Pour Point, estimated, ℃(℉) - -57(-70) -50(-58) -22(-8)
Specific Heat @ 25℃, kJ/kg?K 1.51 - - -
Specific Heat @ 100℃(212℉) - 0.405@100℃ 0.396@100℃ 0.391@100℃
Thermal Conductivity , W/mK 0.1510 - - -
Thermal Conductivity @50℃(122℉),g-Cal/㎠?sec?℃ - 0.00036 0.00035 0.00035
Volatile Content, % by weight after 4hr@250℃(482℉) - 2.50 2.10 3.00
Radiation Resistance, rads - 1.7x108 Similar Similar
Water content, ppm 30 - - -
Refractive Index @ 25℃ 1.4040 - - -
Breakdown voltage, Kv 50 - - -
Permittivity @ 25℃(77℉)- 50Hz 2.70 - - -
Disspation factor @ 25℃(77℉)- 50Hz 0.0001 - - -
Volume resistivity @ 25℃(77℉), ohm-cm 1.00 x 1015 - - -