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  • Diffusion Pump Oil Rj 274 - China

    price: contact company for price

    Production Description

    Equivalent Brand: Dow Corning 704, MT-704, and HIVAC-F-4

    Diffusion Pump Oil RJ-274 is a colorless to light yellow transparent oily, single-component fluid designed for high vacuum of 10torr (untrapped). It performs well in tough, rugged applications and offers quick pumpdown, even after exposure to air at operating temperatures. RJ-274 is thermally and chemically stable allowing it to keep pump jets free of tars and hard carbon.

    Technical Index

    Property Specification

    Chemical composition Tetramethyl tetraphenyl trisiloxane

    Ultimate Vacuum, torr(untrapped) 10

    Saturated Vapor Pressure, torr 510

    Specific Gravity 1.06 ~ 1.07

    Viscosity (25°C) mm2/s 38±3

    Flash Point °C ≥210

    Refractive Index 25°C 1.5500~1.5600

    Congealing Point °C -35

    Molecular Description 484


    Diffusion Pump Oil RJ-274 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

    • mirror coatings

    • protective coatings

    • film coatings Other industries

    • processing metals and fuels

    • accelerators

    • molecular plants

    • R & D plants

    • mass spectrometry


    Be used as transmission fluid in high-temperature carriers and various instruments.

    Package, Transportation & Storage

    Diffusion Pump Oil RJ-274 is available in 5kg Iron drums or 200kg Iron drums.

    Transport as non-hazardous chemicals, keeping away from rain and sunlight.

    Shelf life: 3 years.

    Notice: Above-mentioned technology is based on the situation that we master. For actual application, please refer to your actual requirement.

    Company Contact:

    • Phone: 8657128055280

    • Address: Office add: Floor 12th, No.99, Huaxing Rd, Hangzho, Hangzhou , China

    • Email: Email

    Published date: August 1, 2013 -

    • Business Description: involved in international trade import export of goods, products, and services

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