Phenyl-methyl Silicone Fluid 

  
1. Properties:

  • Excellent insulation, anti-ozone, electro-phosesis-resistance, moisture-proof.
  • Small coefficient of viscosity-temperature, small surface-tension, shearing strength resistance.
  • Better heat-resistance, anti-radiation, better lubrication and solubility.
  • Working temperature, -50oC ~ +250oC.
  • Non-hazardous chemicals.  

2. Application:

  • Used as insulation, lubricating, damping, anti-vibration, moisture-proof materials;
  • Used as hydraulic liquid at high temperature, and heat carrier at high temperature;
  • Used in electric capacitor as dipping liquid(increasing its electro-capacity for 4~5 times);
  • Used as filling liquid of electric transformer, etc.

3. Specification:

BRAND

250-30

255-150A

255-150B

Appearance

No mechanical impurities
and sediment

Colorless or light-yellow transparent liquid

Viscosity (25oC) mm2/s

25~40

100~200

100~200

Dioptre (25oC)

1.470~1.485

1.480~1.495

1.480~1.495

Flash point  oC

=> 240

=> 300

=> 280

Specific gravity (25oC)

1.01~1.08

1.02~1.08

1.02~1.08

Acid value(KOHmg/g)

<= 0.02

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Condensation point, oC

<= -50

<= -40

<= -40

Dielectric constant, F/m  (50HZ, 25oC)

=> 2.7

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Tangent of dielectric loss angle

<= 4X10-3

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Puncture voltage, MV/2.5m

=> 45

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Note:" <= " means no more than  "=>" means no less than

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ChenGuang Research Institute of Chemical Industry
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