
Fibres Re-inforcement for concrete and mortar
Nivitex fibres are extruded from a natural Polypropylene homo polymer, formed into a crimped or flat profile for concrete and mortar re-inforcement and other composite materials.
Crimped - NIVI Fibre 30, 40 and 50 mm

General
Description:
Nivitex fibres are extruded from natural Polypropylene homo polymer, formed into a crimped profile for concrete and mortar re-inforcement and other composite materials.
Qualities:
Standard quality - Polypropylene compound
Number of fibres per kg:
30 mm - 77,000 p/kg
40 mm - 58,000 p/kg
50 mm - 46,000 p/kg
Properties based on EN 14889-2
Nominal fibre diameter = 0.9 mm
Nominal length - 30 mm, 40 mm and 50 mm
Tensile strength - 295 N/mm²
Factor λ (Aspect ratio):
L/d:
30 mm/0.9 = 35
40 mm/0.9 = 45
50 mm/0.9 = 60
Properties | Value |
---|---|
Fibre Cross Section |
0.234 |
Tensile strength at yield (N/mm²) |
275 N/mm² |
Water Absorption |
0(Zero) |
Acid/Alkali Resistance |
High |
EFNARC Plate test (Joules) |
700-800 at 4.5 - 6 kg/m³ |
Round Determinate Panel |
280 - 320 at 4.5 - 6 kg/m³ |
Melting Point (°C)
150 °C to 170 °C
Fibre density (g/cm³)
0.88 - 0.92
Colour
White, Black or Translucent
Elongation at yield (%)
Between 15 and 25 %
Standard form of delivery
Bags, Boxes and Pallets
Flat Fibre - NIVI Fibre 30, 40 and 50 mm

General
Description:
Nivitex fibres are extruded from natural Polypropylene homo polymer, formed into a flat profile for concrete and mortar re-inforcement and other composite materials.
Qualities:
Standard quality - Polypropylene compound
Number of fibres per kg:
30 mm - 118,000 p/kg
40 mm - 88,000 p/kg
50 mm - 70,000 p/kg
Properties based on EN 14889-2
Nominal fibre diameter = 0.8 mm
Nominal length - 30 mm, 40 mm and 50 mm
Tensile strength - 275 N/mm²
Factor λ (Aspect ratio):
L/d:
30 mm/0.8 = 40
40 mm/0.8 = 50
50 mm/0.8 = 65
Properties | Value |
---|---|
Fibre Cross Section |
0.234 |
Tensile strength at yield (N/mm²) |
275 N/mm² |
Water Absorption |
0(Zero) |
Acid/Alkali Resistance |
High |
EFNARC Plate test (Joules) |
700-800 at 4.5 - 6 kg/m³ |
Round Determinate Panel |
280 - 320 at 4.5 - 6 kg/m³ |
Melting Point (°C)
150 °C to 170 °C
Fibre density (g/cm³)
0.88 - 0.92
Colour
Translucent grey
Elongation at yield (%)
Between 15 and 25 %
Standard form of delivery
Bags, Boxes and Pallets