Mapefibre NS18 are 18 mm-long mono-filament, polypropylene microfibres. When added to concrete, Mapefibre NS18 improve the resistance of concrete to cracks caused by plastic shrinkage. The special “mono-lament” formation makes the dispersion and distribution within the concrete mix easier.
TECHNICAL DATA:
Dosage: 0.4-0.8 kg m³ of concrete or mortar
Length of fibres (mm): 18
Diameter (µm): 32 ± 1.6
Density (g/cm³): 0.91
Flame point: +400°C
Melting point: +160°C-170°C
Pouring concrete with the addition of
Mapefibre NS18 to counter plastic
shrinkage
Water absorption: none
Resistance to alkalis, acids and salts: high
Tensile strength (N/mm²): 260
Storage: 36 months in their sealed bags (protected from direct sunlight and rain)
Packaging: boxes of 30x0.6 kg each
Technical data sheet
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