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Fibrillated Microfibers fibre pp polypropylene mesh Synthetic Fiber
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With 100% virgin polypropylene as raw material, Polypropylene mesh fiber looks like a net structure with many fiber monofilaments connected. When the fiber was mixed into 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 a great number (more than 7million pieces per sqm of polypropylene fibers.
Density (g/cm3) | 0.91+/-0.01 | Elastic Modulas (mPa) | > 4000 |
Equivalent Diameter (um) | 100 | Shape | Beam-like Net |
Crack Elongation(%) | ≥ 15 | Acid &Alkali Resistance | Strong |
Tensile Strength (MPa) | 400min. | Length (mm) | Times of 4mm or 6mm |
Melting Point (℃) | 160 –170 | Tensile Ratio (%) | 5-10 |
It is a kind of concrete-strengthening fiber, it become to popular subject in the field of fiber concrete research and application after glass fiber and steel fiber.
Compared with steel fiber, full-dispersed polypropylene fiber has advantages in its thinness, large amount, non-water absorbency, strong acid & alkali resistance and similar elastic modulus with that of concrete.
◆Inrease seepage resistance ◆Prolong endurance
◆Increase cracking resistance ◆Strengthen spurt & fatigue
◆Improve tensile, bending & folding strength ◆Increase fire resistance
◆Strong acid & alkali resistance and good endurance ◆Improve plastic deformity
About length: Generally, the proper length of the fiber added into concrete is 18mm, and in the spray concrete the proper length is
12mm.
Ratio design: Usual the proper amount of to concrete is 0.9kg/m3, the waterproof layer of the bridge requires 1.20-1.8kg/m3, the
spray concrete in the tunnel is also 1.8kg/m3. the fiber has better effects on the concrete with active compound
materials, such as silicon ash, coal powder, ground slag and zeolite powder etc…
Mixer adoption: double-axle horizontal compelling mixer is better and self-dropping cylinder mixer can be used too.
Mixing process: Crushed stones, fibers and sands are put into the mixer in succession, after stirring for about 2-3 minutes, fiber will
fully spread and then add cement and water and stir again as normal process. The addition of materials also can be
put into as usual, but the stirring time should be prolonged to more than 4 minutes to make the fiber completely
dispersed.
ⅰ. Projects like concrete road, bridge, airport road and basement like factory floor which strictly require cracking
resistance. The life span of these projects will be more 5-10 years.
ⅱ. The walls of tunnels, mines, roofs and reservoir projects with special construction. When using spray
technology in concrete construction, the polypropylene fiber added into the concrete can effectively decrease
the spray concrete's deformation rate of the walls less than 8% and that of the roof less than 12%, and also can
reduce the friction. It can improve the constructing efficiency and working environment and popularize the
spray Technology.
ⅲ. River courses and dams, etc. The polypropylene fiber can improve concrete's resistance to crack and squirt and
wear to lengthen projects' life span.
ⅳ. Military defense works, dock banks and piers, etc. This fiber can greatly strengthen the concrete's spurt
resistance and heighten these projects' safety and lengthen their life span.
Fibrillated Microfibers fibre pp polypropylene mesh Synthetic Fiber
------XRT-MS
With 100% virgin polypropylene as raw material, Polypropylene mesh fiber looks like a net structure with many fiber monofilaments connected. When the fiber was mixed into 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 a great number (more than 7million pieces per sqm of polypropylene fibers.
Density (g/cm3) | 0.91+/-0.01 | Elastic Modulas (mPa) | > 4000 |
Equivalent Diameter (um) | 100 | Shape | Beam-like Net |
Crack Elongation(%) | ≥ 15 | Acid &Alkali Resistance | Strong |
Tensile Strength (MPa) | 400min. | Length (mm) | Times of 4mm or 6mm |
Melting Point (℃) | 160 –170 | Tensile Ratio (%) | 5-10 |
It is a kind of concrete-strengthening fiber, it become to popular subject in the field of fiber concrete research and application after glass fiber and steel fiber.
Compared with steel fiber, full-dispersed polypropylene fiber has advantages in its thinness, large amount, non-water absorbency, strong acid & alkali resistance and similar elastic modulus with that of concrete.
◆Inrease seepage resistance ◆Prolong endurance
◆Increase cracking resistance ◆Strengthen spurt & fatigue
◆Improve tensile, bending & folding strength ◆Increase fire resistance
◆Strong acid & alkali resistance and good endurance ◆Improve plastic deformity
About length: Generally, the proper length of the fiber added into concrete is 18mm, and in the spray concrete the proper length is
12mm.
Ratio design: Usual the proper amount of to concrete is 0.9kg/m3, the waterproof layer of the bridge requires 1.20-1.8kg/m3, the
spray concrete in the tunnel is also 1.8kg/m3. the fiber has better effects on the concrete with active compound
materials, such as silicon ash, coal powder, ground slag and zeolite powder etc…
Mixer adoption: double-axle horizontal compelling mixer is better and self-dropping cylinder mixer can be used too.
Mixing process: Crushed stones, fibers and sands are put into the mixer in succession, after stirring for about 2-3 minutes, fiber will
fully spread and then add cement and water and stir again as normal process. The addition of materials also can be
put into as usual, but the stirring time should be prolonged to more than 4 minutes to make the fiber completely
dispersed.
ⅰ. Projects like concrete road, bridge, airport road and basement like factory floor which strictly require cracking
resistance. The life span of these projects will be more 5-10 years.
ⅱ. The walls of tunnels, mines, roofs and reservoir projects with special construction. When using spray
technology in concrete construction, the polypropylene fiber added into the concrete can effectively decrease
the spray concrete's deformation rate of the walls less than 8% and that of the roof less than 12%, and also can
reduce the friction. It can improve the constructing efficiency and working environment and popularize the
spray Technology.
ⅲ. River courses and dams, etc. The polypropylene fiber can improve concrete's resistance to crack and squirt and
wear to lengthen projects' life span.
ⅳ. Military defense works, dock banks and piers, etc. This fiber can greatly strengthen the concrete's spurt
resistance and heighten these projects' safety and lengthen their life span.
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