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This specification covers vulcanized fibres in sheet, round rod, and round tube forms of bone, commercial, and electrical insulation grades. Fibres shall be tested appropriatedly and consequently conform to specified color, chemical composition, flexural strength, impact strength, tearing strength, compressive strength, water absorption, dielectric strength, bursting strength, density, Rockwell hardness, and dimensional and size requirements.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers vulcanized fibre (Note 1) sheets, round rods, and round tubes of such grades suitable for use as electrical insulation.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D495 Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation
D619 Test Methods for Vulcanized Fibre Used for Electrical Insulation
D696 Test Method for Coefficient of Linear Thermal Expansion of Plastics Between -30C and 30C with a Vitreous Silica Dilatometer
D952 Test Method for Bond or Cohesive Strength of Sheet Plastics and Electrical Insulating Materials
D3636 Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials
Other DocumentsIEEEPublicationNo.1, General Principles for Temperature Limits in the Rating of Electrical Equipment.
ICS Number Code 29.035.20 (Plastic and rubber insulating materials)