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polypropylene fiber in concrete
1)100% virgin PP Fiber
2)Density:0.91g/cm3
3)Length:6-48mm
4)Tensile Strength:more than 500MPa
5)Crack Elongation:15-25%...
Polypropylene Monofilamenr Fiber
Introduction
With polypropylene as its raw material..this fiber is produced by special technology. The products appear net-like structure with many fiber monofilaments connected.
When the fiber is put into the concrete ,the horizontal structure in fiber monofilament can be destroyed in the course of stirring owing to friction and rubbing. And the fiber monofilament or net –like structure will fully stretch, thus the concrete is reinforced by great number of polypropylene fibers.
Technical Data
Density(g/cm3) | 0.91 | Elastic Modulas(MPs) | >3500 |
Length(mm) | 15,19,20,24 | Equivalent Diameter(m) | 100 |
Shape | Beam-like Net | Crack Elongation(%) | ≥10 |
Acid &Alkali Resistance | Strong | Water-Absorbency | No |
Tensile Strength(MPa) | 346-560 | Melting Point(C) | 160-170 |
Reinforced Function to Concrete
·increase seepage resistance ·Strengthen spurt & fatigue
·Prolong endurance ·Improve tensile,bending & folding strength
·Improve steel protection ·Improve plastic deformity
·Increase cracking resistance ·Strong acid & alkali resistance and good
·Increase fire resistance endurance
Applying Field
Dosage:0.9kg/cubic meter
Length:generally,proper length of the fiber added into the concrete is 20mm
Mixing Process:Crushed stones ,fiber will fully spread and then add cement and water and stir normally .the addition of materials also can be put into as usual .but the stirring time should be properly prolonged to more than 4 minutes to make fiber completely mixed.