we make main thicknesses of fibre sheet ranging from 0.4mm, 0.8mm, 1mm, 1.2mm, 1.5mm, 2mm, up to 30mm thick fibre sheet. The majority of fibre sheet and fibre washers we supply are in red fibre sheet or black fibre sheet. Both red fibre washers and black fibre washers are standard components within our range. Fibre washers can be made to any specific bespoke dimensions as well as standard M3, M4, M5, M6, M10, M12, M20, and M36 sizesmanufacturers a wide range of?vulcanised fibre?gaskets.?Fibre gaskets can be supplied in any shape from simple round or square?designs to a?non compressible fibre?gasket with numerous holes and slots cut out of it in a bespoke design.competitive quote in china .