Honeycomb ceramics have large m2/m3, low air-flow resistance, it's been widely used in 1.the carrier of activator?reduce temperature of organic materials been oxidated, purge waste gas such as industry and car 2.the medium of exchange temperature?used for the process of temperature exchange, saving energy 12% 3.the carrier of solid animal?used for pharmacy and food industry 4.the instrument for resistance to fire?small kg/m3, fast way to transfer hot 5.make the burning of coal gas equality, can save energy 10% Technical index Material.Cordierite.Mullite .Alundum mullite AL2O3 (%) 37 46 70 Millihole (um) 2-3 2-3 2-3 Coefficient of thermal expansion (*10-6/℃)≤1.8 ≤4.0 ≤5.5 Refractoriness (℃) 1390 1550 1700 Hole type Optional Optional Optional Normal temperature compressive strengh ≥12 ≥15 ≥15 The dimensions are aceted by your request