High Tensile PP Micro Fiber Synthetic Monofilament for Shotcrete & Flooring

High Tensile PP Micro Fiber Synthetic Monofilament for Shotcrete & Flooring

Enhance the structural integrity and long-term durability of your concrete projects with our premium high tensile PP micro fiber. Manufactured from 100% virgin polypropylene, this advanced additive creates an internal three-dimensional reinforcement matrix that effectively arrests micro-cracks and mitigates early-stage plastic shrinkage.

In tunnel construction and mining support, incorporating synthetic monofilament PP fiber significantly reduces rebound loss during shotcrete application while enhancing layer adhesion and impact toughness. For industrial flooring, warehouse slabs, and heavy-duty pavements, the uniformly dispersed PP monofilament micro fiber densifies the cement matrix, delivering exceptional abrasion resistance, minimizing surface dusting, and preventing edge spalling under heavy traffic loads.

Beyond mechanical strength, these fibers block internal capillary pores to boost water impermeability and freeze-thaw resistance. They also provide vital anti-spalling fire protection by safely venting internal steam pressure under extreme heat. Easy to disperse without balling or clumping, it is the ideal reinforcement solution for ready-mix concrete, precast elements, and high-performance mortars.

Polypropylene micro fiber for concrete function:

◆Effectively inhibits microcracks caused by shrinkage of concrete and mortar

◆Excellent dispersion performance without agglomeration during mixing

◆Anti-crack pp mico fiber forms 3D reinforcing network to stop crack propagation in cement-based materials

◆Uniformly dispersed PP monofilament fiber improves toughness, impact resistance and durability of concrete

Applying instruction of pp micro fiber concrete fiber :

◆Length of polypropylene  pp monofilament fiber:

Fine aggregate concrete such as mortar is suitable for polypropylene micro fiber length less than 12mm, and coarse aggregate concrete is suitable for concrete above 12mm.

◆Compounding Amount:for resisting the common cracks on surface,0.9kg/m ³fibers to cement mortar are enough.

◆Ratio and mixing requirements:the proportion of cement,sand and aggregate is no need to be changed.Put cement,aggregate,additive and fiber together,then stir after adding enough water and time for stirring can be prolonged for 2-3 minutes in order to make the compound mix completely.Also it can be mixed even with cement and other aggregates in advance,stirring by adding water at worksite before constructing.

Customer evaluation:Our pp micro fiber comes from customer feedback.

About us:

Shandong Luke composite Co., Ltd is a professional company on production and sales engineering anti-crack fiber.Concrete anti-crack fiber series such as polypropylene fiber、pp monofilament fiber(polypropylene micro fiber) 、polypropylene mesh fiber、PAN fiber、high strength and high modulus polyvinyl alcohol fiber(PVA),water-soluble polyvinyl alcohol fiber、curved pp macro fiber、twisted bundle pp fiber、steel fiber etc.

Professional equipment, high quality polypropylene fibers series products, is your best choice, welcome to our company!

If you want to know more about the more concrete fiber polypropylene micro fibers ,you can continue to ask me questions.

Our company aim is: Quality first! Reputation first!

After-sales service:

Our company offers a one-stop service, providing 24/7 online support to solve any technical problems related to polypropylene monofilament fiber in a timely manner. Thank you for your love of our products.

PP micro fibers concrete fibers packaging and transportation:

The pp fibers packaging can be packed in cardboard boxes, woven bags or BOPP/PE bags,or 1kg/small bag

Trade show participation：

At Asia Concrete Exhibition 2026, we displayed our core products: polypropylene macro fiber,pp micro fiber,PVA fiber,pp twisted fiber, steel fiber,  Visitors could check sample quality  and material toughness on site. Our technical team offered professional consultation for road base reinforcement, slope protection, concrete reinforcement and other project requirements. Many technical doubts that take months online can be solved efficiently during short face to face talks.

All exhibited items from this show are now available on our website. Please check detailed specifications, sample photos and project cases. Feel free to contact us for pp fiber physical samples and technical proposals for your projects.

What causes plastic shrinkage cracks in concrete?

Fast water evaporation from fresh concrete surface, when evaporation rate exceeds bleeding rate, creates tensile stress and plastic shrinkage cracks.

How much PP monofilament fiber should I add into concrete?

Typical dosage: 0.6–1.2 kg per cubic meter for plastic shrinkage crack control.