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Silicone Diffusion Pump Oil MY704

    Synonyms:
    1. 1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane
    2. 704 silicone diffusion pump Fluid
    3. 704 diffusion pump fluid
    4. Oil for diffusion pumps
    Cas No: 3982-82-9

    Chemical structure:


    Diffusion Pump Oil MY704 is a colorless transparent oily, single-component fluid designed for high vacuum of 10-7torr (untrapped). It performs well in tough, rugged applications and offers quick pump down, even after exposure to air at operating temperatures. MY704 is thermally and chemically stable allowing it to keep pump jets free of tars and hard carbon.

    Technical Index
    Chemical composition: Tetramethyl tetraphenyl trisiloxane
    Ultimate Vacuum, torr (untrapped): 10-7~10-8
    Saturated Vapor Pressure, torr : 5x10-8
    Specific Gravity: 1.06 ~ 1.07
    Viscosity (25°C), cSt: 38±3
    Flash Point °C: ≥210
    Refractive Index 25°C: 1.5500~1.5600
    Congealing Point °C: -35
    Molecular Description: 484

    Application:
    Diffusion Pump Fluid MY704 can be used in variety of applications, including:
    Electrical and electronics industry
    • TV tubes, fluorescent tubes, cathode ray tubes
    • ordinary bulbs
    • capacitors
    • rectifier metallised film vacuum system
    Optical industry
    • surface improvements
    • anti reflective coatings
    • optical filters and mirrors
    Metallurgy industry
    • high-vacuum furnaces
    • melting, degassing and sintering refractory metals; thick-film deposition
    Plastics industry
    • surface improvements
    • mirror coatings
    • protective coatings
    • film coatings
    Other industries
    • processing metals and fuels
    • accelerators
    • molecular plants
    • R & D plants
    • mass spectrometry
    Others
    Be used as transmission fluid in high-temperature carriers and various instruments.

    Package, Transportation & Storage
    1. Diffusion Pump Oil MY704 is available in 1kg plastic bottles,25kg plastic drums, or 200kg Iron drums.
    2. Transport as non-hazardous chemicals, keeping away from rain and sunlight.
    3. Shelf life: 3 years.


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