NZIC Slag
Ground Granulated Blast-Furnace Slag (GGBFS)
Ideal for infrastructure exposed to New Zealand’s tough coastal and high wear environments for lower carbon, longer-lasting concrete.
Key Features & Benefits
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Complies with AS 3852.2 requirements
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Over 30% lower CO₂ emissions at 40% substitution compared with standard NZIC GP mixes
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Improves sulfate and chloride resistance, perfect for marine, wastewater and harsh environments
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Reduced heat of hydration minimises thermal cracking in large pours
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Light, uniform colour improves appearance in coloured or architectural finishes
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Supplied in bulk tanker loads or 1.5 T bags for convenient delivery options
Typical Applications
Created for the way you work
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Projects requiring sustainable solutions with reduced carbon
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Structural and mass concrete for bridges, wharves and retaining walls
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Marine and wastewater structures requiring high sulfate/chloride resistance
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Precast applications requiring improved durability in high wear environments
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Rural and agricultural infrastructure exposed to dairy effluent, including dairy sheds and feed pads, where slag aids long-term durability and resistance to aggressive chemical environments