1.Texturized Glass Fabrics Heat cleaned 2.Plain 3.0mm ... suitable for temperature up to 550oC..It is used in applications including heat shields, welding curtains, stress relieving, ... blankets, fire curtains, expansion joints and flue ducts. In order to meet special purpose or to increase some ... peculiarities, it can also be treated in various ways like PTFE coating, Al foil laminating, ...