Industrial/Commercial
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BPN (British Pendulum Number / COF (Coefficient Of Friction) to AS/NZS 4663 and the NZ Building Code (D1 Access Routes)
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ACV (Crush Resistance) – resistance to breaking down under heavy traffic
Roading
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BPN (British Pendulum Number) / ESC (Equilbrium Scrim Coefficient) to NZTA P25 Calcined Bauxite Specification (for high friction ‘Anti-Skid’ surfacing)
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PSV (Polished Stone Value) – resistance to polishing, reducing skid resistance
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ACV (Crush Resistance) – resistance to breaking down under heavy traffic