XCELTHERM® Electrical Insulating Oil (Type I) meets military standard specifications for electrical oil applications. XCELTHERM® EIO-I has high electrical resistance and is both thermally and oxidatively stable. XCELTHERM® EIO-I is intended for use in most common electrical insulating oil applications where normal oxidation resistance is required. It is compatible with other electrical insulating oils, including Shell Diala® A.
ISO 9001: 2015 Certification Number
C2021-00038
National Stock Numbers Available From Radco
9160-00-685-0913 5 Gallon Pail
9160-00-685-0914 55 Gallon Drum
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CHARACTERISTICS
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Test Method
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Limit
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Typical Results
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| Physical: | |||||||||||||||
| Aniline Point °C |
ASTM-D611
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63-84
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70.4
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| Color |
ASTM-1500
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0.5 max
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<0.5
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| Flash Point, Minimum °C |
ASTM-D92
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146
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154
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| Interfacial Tension (@25°C) MIN |
ASTM-D971
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40 dynes/cm
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50 dynes/cm
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| Pour Point °C Maximum |
ASTM-D97
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-40°C
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-61°C
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| Specific Gravity, 15/15°C, Max |
ASTM-D1298
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0.91
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0.8850
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Viscosity, max, cSt (SUS) at:
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| Visual Examination |
ASTM-D1524
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Clear and Bright
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PASS
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| Electrical: | |||||||||||||||
Dielectric Breakdown Voltage @ 60 HZ:
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| Dielectric breakdown voltage, impulse, conditions, @ 25°C, needle-to-sphere grounded, 1 inch (25.4mm) gap |
ASTM-D3300
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145 kV
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274 kV
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| Gassing Tendency, max, uL/min |
ASTM-D2300
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+30
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+12
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Power Factor, 60 HZ
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| Chemical: | |||||||||||||||
Oxidation Stability @ 72 hrs:
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Oxidation Stability @ 164 hrs:
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| Oxidation Stability (RBOT), min |
ASTM-D2112
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—
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243
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| Oxdation Inhibitor content, max, % by mass |
ASTM-D2668
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0.08
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0.05
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| Corrosive Sulfur |
ASTM-D1275
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Non-corrosive
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Non-corrosive
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| Water, max, ppm |
ASTM-D1533
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35
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15
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| Neutralization No, TAN, mg KOH/g |
ASTM-D974
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0.03
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<0.01
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| PCB Content, ppm |
ASTM-D4059
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Not Detectable
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Not Detectable
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