Thetis is a heavy-weight woven texturised fibreglass fabric coated with a specially formulated graphite and polyurethane coating. Thetis welding blankets provide high temperature and abrasion resistance properties for the manufacturer of gaskets, flexible expansion joints, removable jackets and other types of fire control systems. Thetis welding blankets are suitable for horizontal use. The maximum application temperature is 700°c, shortly up to 900°c.