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Fibrillated Microfibers fibre pp polypropylene mesh Synthetic Fiber

with 100% virgin polypropylene as raw material, This 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. 
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  • 550340

Fibrillated Microfibers fibre pp polypropylene mesh Synthetic Fiber

                                                                     

                                                                                                                     ------XRT-MS

Polypropylene mesh fiber PROPERTIES: 

With 100% virgin polypropylene as raw material, This 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.


Polypropylene mesh fiber Application:
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.



Polypropylene mesh fiber Reinforced Functions to Concrete:

  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.


Polypropylene mesh fiber The reinforced functions run as follows:

◆Inrease seepage resistance                                             ◆Prolong endurance

 ◆Improve steel protection                                                 ◆Strengthen spurt & fatigue

 ◆Increase cracking resistance                                            ◆Increase fire resistance  

 ◆Improve tensile, bending & folding strength                  ◆Improve plastic deformity  

 ◆Strong acid & alkali resistance and good endurance



Suitable Fields of Polypropylene mesh Fiber:

A). 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.

B). 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.


C). River courses and dams, etc. The polypropylene fiber can improve concrete's resistance to crack and squirt and 

     wear to lengthen projects' life span.

D). 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.


Polypropylene mesh fiber brief specification:


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.

Water-Absorbency

No

Melting Point (℃)

160 –170

Tensile Ratio (%)  

5-10

Length (mm)

6mm, 8mm, 12mm, 16mm, 20mm (times of 4mm or 6mm)


Polypropylene mesh fiber Relevant suggestion of application:

 A), about length: Generally, the proper length of the fiber added into concrete is 18mm, and in the spray

      concrete the proper length is 12mm.

 B), 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…

 C), Mixer adoption: double-axle horizontal compelling mixer is better and self-dropping cylinder mixer can be 

      used too.

 D), 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.






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