This standard gives the requirements for glass textile fibre sleeving, uncoated, constructed from a braid of E-type yarn. The sleeving is annealed by heat treatment to assist in maintaining a circular cross-section. The sleeving is suitable for use at temperatures up to 350 °C. It is normally available in internal diameters between 0,5 mm and 30 mm and is normally supplied in natural colour. Sizes or colours other than those specifically listed in this standard may be available as custom items. These items shall be considered to comply with this standard if they comply with the other property requirements listed in tables 2 and 3. Materials which conform to