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Zeolite based material and a method for making the zeolite, comprising a zeolite having a silica/alumina ratio of at least 300 and a surface area of 250 m2/g and no greater than about 20 parts, by weight, of a silica binder. The combination of properties this zeolite based material exhibits includes

Zeolite based material and a method for making the zeolite, comprising a zeolite having a silica/alumina ratio of at least 300 and a surface area of 250 m2/g and no greater than about 20 parts, by weight, of a silica binder. The combination of properties this zeolite based material exhibits includes the following: (1) a modulus of rupture of at least 1500 psi; (2) a surface area of at least 100 m2/g; (3) a coefficient of thermal expansion of less than about +/-10 ppm/° C.; and, (4) a thermal shock resistance of at least 850° C. The zeolite-based material can include a third component, specifically a gamma alumina having a specific surface area of greater than 100 m2/g.

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1. A zeolite composite exhibiting a modulus of rupture strength of at least 1500 psi, a surface area of at least 100m2/g, a coefficient of thermal expansion of less than about +/-10 ppm/° C. and a thermal shock resistance of at least 850° C., said composite being formed from a mixture comprising, in

1. A zeolite composite exhibiting a modulus of rupture strength of at least 1500 psi, a surface area of at least 100m2/g, a coefficient of thermal expansion of less than about +/-10 ppm/° C. and a thermal shock resistance of at least 850° C., said composite being formed from a mixture comprising, in weight percent: 30 to 70% of a zeolite having a silica/alumina ratio of greater than 300 and a surface area of greater than about 250 m2/g, no greater than about 20% silica binder, and 10-50% gamma alumina having a specific surface area of greater than 100 m2/g. 2. A zeolite composite according to claim 1 wherein the composite exhibits a surface area of at least 200 m2/g. 3. A zeolite composite according to claim 1 wherein the composite exhibits a thermal expansion of less than about 5 ppm/° C. 4. A zeolite composite according to claim 1 wherein the body exhibits thermal stability at a temperature up to at least 1000° C. 5. A zeolite body according to claim 1 wherein the body exhibits a modulus of rupture of at least 2000 psi. 6. A zeolite composite as claimed in claim 1 wherein the alumina includes a stabilizing agent selected from the group consisting of lanthanum oxide, barium oxide, strontium oxide and yttrium oxide. 7. A zeolite body exhibiting a modulus of rupture strength of at least 1500 psi, a surface area of at least 100 m2/g, a coefficient of thermal expansion of less than about +/-10 ppm/° C. and a thermal shock resistance of at least 850° C., said body being formed from a mixture comprising: a zeolite having a silica/alumina ratio of at least 300 and a surface area of greater than about 250 m2/g; no greater than about 20% by weight of silica binder; and optionally, up to 50% by weight of a gamma alumina having a specific surface area of greater than 100 m2/g. 8. A zeolite body according to claim 7, comprising about 85 to 90%, by weight of the zeolite and 15-20% by weight of the silica binder. 9. A zeolite body according to claim 7, exhibiting a surface area of at least 170 m2/g. 10. A zeolite body according to claim 7 having a modulus of rupture of at least 2000 psi. 11. A zeolite body according to claim 7 consisting of an extruded honeycomb structure exhibiting at least 400 cells/in2.