For high temperature applications, FIREFLY Millboard is a line of premium millboard sheets made without asbestos and ceramic fibre. Three grades of FIREFLY Millboard are offered: FF700, FF800, and FF900.
Thermal insulation applications including roll coverings, heat shields, mould seals, gaskets, seals, domestic appliances, sacrificial linings. Each grade has specific applications listed below.
FF700: Heathshields in molten metal casting, gasketing in domestic appliances, sacrificial linings in primary aluminium melting pots (most common grade).
FF800: Roll coverings for lehr rolls in float and flat glass processing.
FF900: Mould seals in spin casting of metal tubes and valves.