GB/T 2951.10-1997 Common test methods for insulating and sheathing materials of electric cables. Part 5: Methods specific to filling compounds. Section one: Drop-point--Separation of oil--Lower temperature brittleness--Total acid number--Absence of corrosive components-- was changed to GB/T 2951.51-2008 Common test methods for insulating and sheathing materials of electric and optical cables.Part51:Methods specific to filling compounds.Drop point.Separation of oil.Lower temperature brittleness.Total acid number.Absence of corrosive components.Permittivit.
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