For A4 size 210mm x 297mm x 3mm thick ceramic gasket paper material. It is used for gaskets on flue pipe cleaning doors and seals around furnace glass and can withstand temperatures up to 1100°C. It can easily be to a certain size with a handful of ordinary household scissors.
The Flexible Ceramic Fiber Gasket Paper 3mm Thick is best suited for sealing furnace tubes, such as industrial furnaces.
