ASTM D 4652 Standard Specification for Silicone Fluid Used for Electrical Insulation
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ASTM D 4652 Document Information:
Title
Standard Specification for Silicone Fluid Used for Electrical Insulation
ASTM International
Publication Date:
Oct 1, 2005
Scope:
This specification covers silicone fluid for use in transformers,
capacitors, and electronic
assemblies as an insulating or cooling medium, or both.
Silicone fluid covered by this specification is polydim-ethylsiloxane
having a nominal viscosity of
50 cSt at 25°C and a fire point of 340°C or greater. This
specification applies only to new
silicone fluid. Information on in-service maintenance testing is
available in appropriate
guides.(Footnote 2)
Footnote 2 - IEEE C57.111, IEEE Guide for Acceptance of Silicone
Insulating Fluid and its
Maintenance in Transformers is published by the Insulating Fluids
Subcommittee of the IEEE Power
Engineering Society Transformers Committee.
Keywords:
- electrical insulating liquid
- silicone fluid
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