Specification for fibrous gland packings|Determination of content, Weight measurement, Polytetrafluoroethylene, Lubricants, Marking, Packing (seals), Seals, Graphite, Dimensional tolerances, Cotton fibres, Wires, Size measurement, Tex, Ignition-loss tests, Impregnated materials, Solvent extraction methods, Bast fibres, Sealing materials, Grades (quality), Packaging, Fibres, Thickness, Mass, Asbestos, Test equipment, Rod seals, Stuffing boxes, Testing conditions, Metals, Reinforced materials