scope:

1.1 These test methods cover the procedures for testing vulcanized fibre (Note 1)) sheets, tubes, and rods of such grades as can be used for electrical insulation.

Note 1-The variant spelling "fibre" as an industry accepted practice has been approved by Committee D-9 for use in these test methods.

1.2 The procedures appear in the following sections:

Procedure Section Arc resistance 23 Ash 6 Bond strength (ply adhesion) 16 Bursting strength 14 Compressive strength 12, 25, 30 Conditioning 4 Density 17, 26, 32 Dielectric strength 18, 27 Dimensional measurements 28, 33 Flammability 22 Flexural strength 13, 31 Silica 7 Tearing strength 11 Tensile strength 10, 24, 29 Thickness (sheets) 20 Resistance to impact 15 Rockwell hardness 19 Volatile matter 8 Water absorption 5 Zinc chloride 9