Patent ID: 6180927
Filing Date: 2001-01-30
Classification: C04B,F24C

Abstract:
A thermally insulating molded spacer in radiative heating elements for cooking appliances and for ovens comprising consolidated inorganic material and inorganic reinforcing fibers, said spacer comprising, in weight percent based on the total weight of said molded body,a) 30-70% of expanded vermiculite,b) 15-40% of inorganic binders,c) 0-20% of infrared opacifier,d) 15-50% of microporous material, ande) 0.5-8% of reinforcing fibers containing not more than 2% of B.sub.2 O.sub.3 and not more than 2% of alkali metal oxides, based on the weight of the reinforcing fibers.