Asbestos yarn has a wide range of applicationsin heat insulation, sealing, electrical insulations, fire protection, friction materials, etc. Asbestos yarn is also used for packing valve spindles, lagging small pipes, sealing joints in flexible metallic tubings, packing for bib-cocks at low pressure steam, sewing asbestos mattresses, in switch and fuse gear, braiding of electric cables, weaving of electrical resistance kits, cushions for glass in patent glazing bars.