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Polyester Fiber 18mm

Fiberego’s Polyester Fiber 18mm is a high-tenacity virgin PET macro-fiber engineered for structural and secondary reinforcement in concrete. With an 18 mm length, exceptional tensile strength ≥600 MPa, and superior bonding characteristics, it dramatically reduces cracking, boosts flexural toughness, and delivers long-lasting, maintenance-free concrete performance in heavy-duty applications.

Normal Tensile Strength Polyester Fiber NTS PF-18

What Is Polyester Fiber 12mm?

Polyester Fiber 18mm is a monofilament macro-synthetic fiber made from 100% virgin polyethylene terephthalate (PET). Its 18 mm length and 12–18 μm diameter create an effective three-dimensional reinforcement network that replaces or complements traditional steel mesh and rebar.

Thanks to its high elastic modulus (≥4.0 GPa) and excellent alkali resistance, it maintains integrity in the aggressive environment of concrete, providing permanent crack control and increased load-bearing capacity without corrosion risks.

Technical Specifications of Normal Tensile Strength Polyester Fiber NTS PF-18

Item	Parameters
Composition	Organic dibasic acid and diol
Diameter	12-18μm
Length	3-25mm(Customized)
Melting Point	160-170℃
Tensile Strength	≥600MPa
Elastic Modulus	≥4.0GPa
Elongation	15-20%

Fiberego - A Chinese powerhouse in advanced fiber technology

Key Benefits of Polyester Fiber 18mm

Polyester Fiber 18mm transforms ordinary concrete into a high-performance composite that combines strength, ductility, and durability while simplifying placement and reducing labor costs.

Significant Crack Width Reduction

Controls both plastic and drying shrinkage cracks, limiting crack widths to below 0.1 mm even under heavy loading.

Replaces or Reduces Steel Mesh & Rebar

Serves as a structural reinforcement alternative in slabs-on-grade, eliminating mesh placement time and chairing costs.

Superior Flexural Toughness & Residual Strength

Absorbs energy post-cracking, providing EN 14889-2 performance levels equivalent to steel fiber systems.

Excellent Impact & Fatigue Resistance

Ideal for industrial floors and pavements subjected to repeated dynamic loads and heavy traffic.

Outstanding Bonding & Anchorage

Embossed or crimped surface options ensure strong mechanical bond with the cement matrix for maximum stress transfer.

Non-Corrosive & Chemically Inert

Immune to rust and chemical attack, guaranteeing lifelong performance in marine or de-icing salt environments.

Top 4 Applications of Polyester Fiber 18mm in Construction

Fiberego Polyester Fiber 18mm excels in projects requiring structural reinforcement, high durability, and minimal maintenance.

Industrial & Warehouse Flooring

Delivers joint-free, heavy-duty floors with superior load distribution and resistance to forklift impact and abrasion.

Shotcrete

Provides high energy absorption and toughness for permanent shotcrete linings in tunnels and rock support.

Precast Concrete Elements

Enhances ductility, impact resistance during handling, and final structural performance of beams, panels, and segments.

Bridge Decks & Overlays

Increases fatigue life, controls reflective cracking, and extends pavement service life under traffic loading.

Request a Free Sample

Experience the strength of Polyester Fiber 18mm firsthand. Request your free sample and full technical data sheet today.

Why Choose Fiberego as Your Polyester Fiber Supplier?

With over 15 years of leadership in synthetic concrete fibers, Fiberego delivers proven macro-fiber solutions trusted by contractors and engineers worldwide.

Certified Quality

ISO 9001 & CE Certified Quality: Consistent performance backed by international standards.

Customizable Solutions

Tailored lengths, deniers, and packaging to match your mix design.

Expert Support

Dosage recommendations and on-site assistance from experienced engineers.

Reliable Supply

Large stock and efficient logistics ensure on-time supply.

Competitive Pricing

Direct factory pricing with no middlemen.

Best Sellers

NORMAL TENSILE STRENGTH POLYESTER FIBER NTS PF-12

Fiberego’s Polyester Fiber 12mm enhances concrete strength, durability, and crack resistance. Ideal for industrial, transportation, and precast applications.

Normal Tensile Strength Polyester Fiber NTS PF-15

Fiberego’s Ordinary Polyester Fiber 15mm enhances concrete strength, crack resistance, and durability. Ideal for industrial, transportation, and precast concrete applications.

High Tensile Strength Polyester Fiber PF-18

Fiberego’s PET Polyester Fiber 18mm enhances concrete strength, crack resistance, and durability. Ideal for industrial flooring, highways, bridges, and precast applications.

Contact Us

Ready to reinforce stronger, longer-lasting concrete? Get in touch with our team for technical data, dosage recommendations, pricing, or a free sample.