Used for packing and insulation.Asbestos free. For operational temperatures up to 600 deg C. Resistant to oils, most chemicals and solvents and is unaffected by bacterial growth. Constructed from a thick glass yarn wall coupled with a stranded centre glass yarn core. Ideal for use in dry, static sealing applications involving hot air and combustion gases. Supplied on reels. Diameter 1/4 in. 6mm. Approx length per reel 25 metres.