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Embossed Synthetic Macro Fiber for Shotcrete Tunnel Lining

Our embossed synthetic macro fiber reinforces shotcrete tunnel lining. Textured surface boosts cement bonding, is acid- and alkali-resistant, restrains shrinkage cracks, and is a cost-effective replacement for steel fiber. Request bulk quote.
Availability:
Quantity:
  • XRT-EPF

  • xinrui-te

  • 550340

Factory embossed synthetic macro polypropylene fiber for underground shotcrete projects


  Introduction

Embossed Synthetic Macro Fiber is made from 100% polypropylene through a special molding and surface treatment, and its textured surface locks into the cement matrix better—so it bonds more strongly and transfers stress more effectively than smooth fibers.

Embossed Synthetic Macro Fiber is also acid- and alkali-resistant, has good tensile strength, disperses easily, and is easy to work with—won't harm vehicles or pavement, and needs no special upkeep. So it can replace steel fibers to reduce cracking in cement concrete and noticeably improve concrete's toughness and flexural performance.


 Data Sheet

Tensile Strength >650 MPa
Elastic Modulus (MPa) >10GPa
Size 48mm,50mm,54mm, or customized
Melting point ( C. Deg) 165-175
Density(g/cm3) 0.91 +/- 0.01
Resistance to acid & alkali Strong
Appearance White or black, grey, and Embossed

 Advantages


详情2

◆The embossed, uneven surface of the fiber helps it bond better 

      with concrete.

       A consistent textured design lets the fiber grip the cement matrix more 

       effectively — compared with smooth fibers, it significantly improves 

       bond strength and stress 

       transfer.

◆Can improve concrete’s ductility after cracking. 

     When concrete or shotcrete contains embossed coarse fibers, each fiber becomes part of 

     the whole matrix. Even after the concrete cracks, the fibers can still carry some load, 

      which boosts the material’s post-crack ductility and toughness.

◆Plastic material — less wear, easier and safer to use

     Plastic causes much less wear on concrete pumps and hoses, making on-site work 

      simpler and safer.

◆Shotcrete with plastic fibers can cut rebound and let you spray thicker single layers

      When plain cement grout is blasted out during shotcreting, it tends to break apart and rebound. Adding embossed coarse plastic 

      fibers gives the grout a crisscrossed skeleton so the material holds together better. Cement also seeps into the fibers’ grooves, so 

      during spraying the fibers catch loose cement and create physical resistance—reducing rebound.

Why choose white polypropylene fibre in concrete?

◆Appearance consistency

White/natural-colored fibers aren't easily seen in concrete, making them  

    suitable for fair- faced concrete and decorative exposed surfaces, helping to

     maintain a uniform appearance.

◆Raw material purity

White is usually uncolored natural polymers (e.g., PP, PE), which means no  

     colorants or fillers are added, making the chemical makeup easier to control and improving performance reliability.

◆Ease of visual inspection and sampling

     White fibers are easier to spot during mixing and placing, so you can quickly check distribution by eye, and they're simpler to  

      identify and sample in test specimens.

◆Cost 

     Most synthetic fibers are naturally white — coloring them adds extra steps and expense, so white is typically the go-to.

Note: If you need UV protection, zone identification, safety signaling, or special decorative effects, you can choose colored fibers or  

            add functional coatings.

Related Product

1.AR Glass fiber

2. Grey Embossed PP Fibers














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