FIRE PROTECTION AND HEAT PROTECTION MATERIALS (VERSIONS) Russian patent published in 2009 - IPC B32B18/00 B32B15/04 

FIELD: security facilities.

SUBSTANCE: fire- and heat protection material is comprised of, at least, two layers. One layer is made from metal foil, for example aluminium foil or steel foil, stainless steel foil or tungsten foil. The layer's thickness is 0.007-1.5 mm. At least, one second layer is represented with a structured mineral or ceramic fibers having density 30-1000 kg/m³ and thickness 5.0-100.0 mm. The fiber diametre is 1-30 mcm and length - no less than 20 mm. The second layer is made from needle-punched or needle-stitched, thermo bonded mineral or ceramic fibers. According to the other version of invention, the second layer may be manufactured from basalt or mulito- siliceous fiber with density 30-1000 kg/m³ and thickness 5.0-100.0 mm. The fiber diametre is 1-30 mcm and fiber length is no less than 20 mm.

EFFECT: long-term fire protection under any fire class.

4 cl, 6 dwg