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Metakaolin Cement Pozzolan
Product Snapshot
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Product description
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A high brightness (77/100 raw, >93/100 calcined) kaolin, with 50% of particles finer than 2 μm, low alkalis (K2O ~0.72%, Na2O ~0.10%), low iron content (~0.34% after magnetic separation, potentially lower with bacterial beneficiation), low titanium (~0.26%), high alumina (~35.1%), and a well ordered, crystalline structure.
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Product uses
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High Reactivity Metakaolin is a semi-calcined kaolin, used to enhance the performance characteristics of cement-based mortars, concretes, and related products. It contributes to increased strength, reduced permeability, greater durability, efflorescent control, and control degradation caused by Alkali Silica Reaction ("ASR").
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Annual market demand
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Domestic: 640,000 tpa (all pozzolanic materials, not just MK).
International: ~6,000,000 tpa.
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Current domestic sources
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None. Western Australia (Simcoa) produces Silica Fume, a similar product, but one that is in very short supply.
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Sale price, ex-bin
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300.00 - 550.00 (AUD/t)
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Sales tagets (tpa)
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Year 1
8,000
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Year 2
10,700
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Year 3
13,350
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Year 4
16,050
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Year 5
21,350
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Year 6
30,000
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Market proportion
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Domestic: 3.9% at full production.
International: 3.9% (of NZ market) at full production.
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