Non-asbestos Rubber Sheet (Compressed Non-asbestos Jointing Sheet ) Manufactured from Kevlar fiber, with oil-resistant rubber filler and compressed into sheets, these materials are suitable for use as an oil-resistant jointing medium for heat installations and engine sealing. Compressed Non-asbestos Jointing Sheet based upon glass and aramid fibers with a nitrile rubber binder. The Compressed Non-asbestos Jointing Sheet meets the requirements of BS 7531 and Thickness: 1.5mm, and 2.0mm, 3.0mm.