Active Standard ASTM D668 | Developed by Subcommittee: D09.07
Book of Standards Volume: 10.01
Historical (view previous versions of standard)
Significance and Use
4.1 These test methods are used to measure the dimensions of the rod or tube to determine conformance with specifications on full lengths or cut lengths. The measurements can also be used for manufacturing control, determination of uniformity, dimensional stability, and physical and electrical properties of the rods and tubes.
1.1 These test methods cover the measurement of the dimensions of all rigid rods and tubes used as electrical insulation, the limitations imposed being those of the size range of the more common forms of measuring instruments used.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D374 Test Methods for Thickness of Solid Electrical Insulation
D1711 Terminology Relating to Electrical Insulation
ICS Number Code 29.035.01 (Insulating materials in general)