Alkaline earth carbonate salt is used to control the shrinkage of the aluminum titanate

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A method for reducing shrinkage variability of aluminum titanate honeycombs includes preparing an aluminum titanate-forming batch material that includes least one alkaline earth carbonate having a particle size distribution. The particle size distribution of the at least one alkaline earth carbonate is selected based on the predicted shrinkage during sintering of the aluminum titanate honeycombs.