| 摘要 |
A colorant is combined with a liquid and incorporated into a brick additive comprising an interconnected porosity. The colorant may comprise at least one of a dye and pigment comprising a metal cation and preferably penetrates the interconnected pores of the brick additive. Application of the colorant to the additive enables the additive to exhibit substantially the same color as a matrix material in finished bricks incorporating the additive. Ideally, the colorant is capable of withstanding temperatures up to about 1,350° C. without a substantial loss of color imparting properties. The additive may comprise at least one of a phyllosilicate clay mineral, a zeolite and a diatomaceous earth.
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