Dow Dowsil 705 Diffusion Pump Fluid

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Description for Dow Dowsil 705 Diffusion Pump Fluid

Thermal stability, Resists oxidation, Chemically inert, designed for high vacuum and for fast pumping of large volumes of gas or vapor in production operations.

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Brand	Dowsil
Chemical Resistance	Chemical resistance, Chemically inert, Chemical stability
Application Type	Coat, Seal
1 Part or 2 Part	1 Part
Material Form	Fluid
Substrate	Architectural glass, Metals, Plastic, Viton rubbers, Butyl rubbers
Industry	Evacuating cathode-ray tubes, Decorative coatings for automobile parts, Aerospace, Optical coatings, General-purpose, Vapor deposition of thin films by sputtering or evaporation in devices, Space simulation chambers, Electronics, Vapor deposition of thin films by sputtering or evaporation in microcircuits, Aluminizing television tubes, Evacuating power tubes, Evacuating television, Electron-beam operations, Evacuating microwave tubes
Manufacturer	Dow
Chemistry	Silicone
Viscosity (cPs)	175
Color	Colorless to straw-colored, Colorless to straw-colored
Oxidation Resistance	Resists oxidation
High Temperature Resistance (°C)	Thermal stability
Other Resistance	Explosion Resistance, Good resistance to gamma radiation, Radiation Resistance

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Technical Data for Dow Dowsil 705 Diffusion Pump Fluid

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Overview

Chemical Resistance
- Chemical Resistance - Chemical stability, Chemically inert
Application Type
- Coating - Coat
- Sealant - Seal
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Liquid - Fluid
Substrate
- Glass - Architectural glass
- Metal - Metals
- Plastic
- Rubber - Viton rubbers
- Butyl Rubber - Butyl rubbers
Industry
- Optical - Optical coatings
- Automotive - Decorative coatings for automobile parts
- Aerospace - Space simulation chambers
- Electronics - Evacuating cathode-ray tubes, Vapor deposition of thin films by sputtering or evaporation in devices, Vapor deposition of thin films by sputtering or evaporation in microcircuits, Evacuating power tubes, Evacuating television, Aluminizing television tubes, Electron-beam operations, Evacuating microwave tubes
- Industrial - Accelerators, Metal sheet, Metallurgy, Decorative coatings for novelties, Fast pumping of large volumes of vapor in production operations , Fast pumping of large volumes of gas in production operations , Diffusion pump fluid
- General Purpose - General-purpose
- Other - Ultrahigh vacuum applications
Chemistry
- Silicone
Cure Method
- None
Color
- Clear / Transparent - Colorless to straw-colored
- Yellow - Colorless to straw-colored
Brand
- Dowsil

Specifications

Cure Specs

Viscosity (cPs)	175	Test Method

Material Resistance

Oxidation Resistance	Resists oxidation
High Temperature Resistance (°C)	Thermal stability
Moisture/Humidity Resistance	Low vapor pressure
Other Resistance	Explosion Resistance, Good resistance to gamma radiation, Radiation Resistance

Other Properties

Specific Gravity	1.090	Test Method
Flash Point (°F)	469.4	Test Method

Business Information

Shelf Life Details	When stored at or below 25°C (77°F) in the original unopened container, these products have a usable life of 60 months from the date of production.
Shelf Life Temperature (°F)	77
Shelf Life Type	From the date of production
Shelf Life (mon)	60

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Comparable Materials for Dow Dowsil 705 Diffusion Pump Fluid

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Spec Engine^® Results
- 94-011 Fluorosilicone Channel Sealant(Dow)
  Superior sealing characteristics under exposure to fuels and oils; non-curing; good tack adhesion; essentially unaffected by shock, vibration and thermal cycling.
- Dowsil 704 Diffusion Pump Fluid(Dow)
  Thermal stability, Resists oxidation, Chemically inert, designed for high vacuum and for fast pumping of large volumes of gas or vapor in production operations.
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