HTM® Twist
Twisted Bundle Macro Synthetic Fibers
Twisted bundle monofilament design
Since 2002, we have specialized in concrete crack resistance, waterproofing, and anti-corrosion technologies.
Twisted Macro Synthetic Fiber for Concrete
Twisted Bundle Reinforcement for Concrete and Shotcrete
What Are HTM® Twist Macro Synthetic Fibers?
HTM® Twist is an engineered twisted-bundle macro synthetic fiber developed to improve toughness, crack bridging, and post-crack performance in concrete and shotcrete. Its twisted geometry is designed to enhance mechanical interaction with the cement matrix while providing non-corrosive, three-dimensional fiber reinforcement. HTM® Twist is available for applications including shotcrete, tunnels, floors, pavements, precast concrete, and other performance-based concrete projects.
HTM® Twist Technical Specifications
Explore the physical and mechanical properties that ensure consistent performance in fiber-reinforced concrete and shotcrete.
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Material: PP or PP+PE
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Type: Twisted monofilament macro synthetic fiber
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Specific Gravity: 0.91 - 0.92 g/cm³
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Diameter: 0.30–0.69 mm
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Lengths: 32 mm, 40 mm, 50 mm
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Tensile Strength: 450–620 MPa
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Modulus of Elasticity: 5–7 GPa
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Melt Point: ~160°C
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Chemical Resistance: Excellent alkali and acid resistance
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Color: Gray or white
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Applicable Standards for HTM® Twist
HTM® Twist complies with industry standards for safe and reliable use:
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ASTM C1116: Standard Specification for Fiber-Reinforced Concrete
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ASTM D7508: Standard Specification for Macro Synthetic Fibers for Concrete
Why Choose HTM® Twist?
HTM® Twist combines a twisted monofilament bundle geometry with macro synthetic fiber reinforcement to provide mechanical anchorage and distributed crack-bridging performance inside the concrete matrix. The product can be selected according to application, dosage, required residual performance, workability, and available test evidence rather than relying on a single generic fiber dosage.
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Twisted Geometry
Designed to improve mechanical interaction with the surrounding concrete.
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Distributed Reinforcement
Fibers disperse throughout the mix and reinforce concrete in multiple directions.
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Project-Based Selection
Dosage and product use can be matched to project requirements and available performance data.
Enhanced toughness and durability precast
Crack control in concrete pavements
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Key Benefits of HTM® Twist
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Twisted Fiber Geometry
The twisted bundle profile provides mechanical anchorage within the concrete matrix and is designed to improve crack bridging and post-crack load transfer. -
Three-Dimensional Reinforcement
Fibers distribute throughout the concrete mix to provide multidirectional reinforcement rather than reinforcement concentrated in a single plane. -
Non-Corrosive Polymer Fiber
HTM® Twist does not rust like conventional steel reinforcement and is suitable for applications where corrosion-related durability is a concern. -
Toughness and Post-Crack Performance
The fiber is designed to improve concrete toughness and residual performance after cracking when used at an appropriate dosage. -
Practical Batching and Placement
HTM® Twist is added directly to the concrete mix and can reduce the handling and installation associated with conventional secondary reinforcement where fiber reinforcement is permitted. -
Suitable for Concrete and Shotcrete
The twisted fiber format can be evaluated for cast concrete, pumped concrete, and shotcrete applications.
Not sure how to choose the right fiber or dosage?
Our team can recommend a solution based on your project requirements.
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Recommended Applications of HTM® Twist
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Shotcrete and Tunnel Linings
Suitable for shotcrete applications where distributed macro fiber reinforcement, toughness, or energy absorption performance is required.
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Industrial Floors
Can be evaluated for industrial floors and slabs-on-ground where macro synthetic fiber reinforcement is specified.
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Pavements and Hardstands
Suitable for selected pavement and hardstand applications requiring distributed reinforcement and crack-bridging performance.
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Precast Concrete
Can be used in precast applications where fiber distribution, toughness, handling performance, and corrosion resistance are important.
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Infrastructure Concrete
Suitable for selected infrastructure projects subject to project specifications and required performance criteria.
Product suitability and dosage should be confirmed against the project specification and required test performance.
Hong Kong-Zhuhai-Macao Bridge
Da Nang Pier, Vietnam
Hangzhou Olympic Center
HTM® Twist Usage Guidelines for Reinforcement
Follow these guidelines to achieve consistent dispersion and effective reinforcement with PIONEER® HTM® Twist fibers.
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Dosage: 1.8–4.5 kg/m³, typically 3 kg/m³ for effective crack control.
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Mixing: Add fibers during batching or with aggregates; extend mixing to ensure even distribution.
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Placement: Use standard methods for fiber-reinforced concrete; fibers remain embedded, allowing a smooth finish.
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Note: Replaces secondary mesh reinforcement but does not replace primary structural rebar if required by codes.
Custom HTM® Twist Solutions for Your Project
Tailored macro fiber reinforcement solutions for your fiber-reinforced concrete and shotcrete applications.
Lengths & packaging
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Available lengths: 32 mm / 40 mm / 50 mm.
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Packaging: bulk ton bags (large projects), small water-soluble or plastic dosing packs (on-site convenience).
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OEM/ODM: private labelling & co-branding for distributors.
Service: Dosage optimization, mix design consultation.
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Tell us your application and we’ll recommend the right macro or micro fiber solution for your project.
At PIONEER, we’re committed to delivering the best and most relevant information to support your needs. Reach out to us for more details and discover the benefits we offer:
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Factory-Direct Pricing
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Expert Guidance on Fiber Applications
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Customized Solutions for Your Project
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Fiber Samples Available for Testing
Privacy Assurance: We respect your privacy and will never share your information.
Why Choose Us?
Proven Expertise & Greater Savings
24 years of focus
on fiber reinforcement solutions.
5,000 tons yearly
from advanced manufacturing.
20+ countries served
with global product distribution.
1,000 projects proven
in diverse applications worldwide.
FAQ
Typical dosage ranges from 0.6–2.0 kg/m³ depending on required residual strength and application. Contact us for project-specific mix design.
In many applications yes — HTM® Twist offers comparable crack control and toughness while eliminating corrosion issues. Structural requirements and code/regulatory considerations should be reviewed.
Yes — twisted monofilament bundles are engineered to remain pumpable in optimized shotcrete mixes; provide sample mixes for verification.
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Why Choose PIONEER® Technologies
Tested, Proven, and Engineered for Concrete Crack Control and Durability
Partner with a trusted leader in concrete crack control, fiber reinforcement, and crystalline waterproofing solutions for modern infrastructure and high-performance concrete systems.
1. Independently Tested and Certified
Validated through independent laboratory testing and compliant with ASTM standards and CE certification, PIONEER® technologies deliver reliable performance in fiber reinforced concrete and crystalline waterproofing applications.
2. Proven in Real Projects Worldwide
With applications in over 1,000 projects across 20+ countries, our systems have been used in major infrastructure such as the Hong Kong–Zhuhai–Macao Bridge, Bangladesh Subsea Tunnel, and metro systems, demonstrating consistent performance in demanding environments.
3. Integrated Reinforcement and Waterproofing Solutions
We provide advanced systems including macro synthetic fibers, micro fiber reinforcement, and crystalline waterproofing, supporting applications in industrial floors, precast concrete, ready-mix, and infrastructure projects.
4. Direct Manufacturer with Engineering Support
We offer dosage design, mix optimization, and on-site technical support, backed by over 24 years of experience, ensuring efficient implementation and consistent performance across large-scale construction projects.
26,500m² production base
Advanced fiber dispersibility
Exceptional tensile strength
