Patent ID: 7854904
Filing Date: 2010-12-21
Classification: B01D,B32B,F01N

Abstract:
1. A mounting mat for mounting a pollution control element in a pollution control device, the mounting mat having a bulk density of 0.12 to 0.3 g/cm 3 , said mounting mat comprising (i) a non-intumescent layer of magnesium aluminium silicate glass fibers, wherein the magnesium aluminium silicate glass fibers contain less than 1% by weight shot, based on the total weight of the magnesium aluminium silicate glass fibers; and (ii) a non-intumescent layer of polycrystalline ceramic fibers obtainable through a sol-gel process, wherein the polycrystalline ceramic fibers contain less than 1% by weight shot, based on total weight of the polycrystalline ceramic fibers.