
HPM® UF PP
High-Dispersion PP Microfiber
Fine Fiber Distribution for Crack-Control Applications
Since 2002, we have specialized in concrete crack resistance, waterproofing, and anti-corrosion technologies.
HPM® UF PP Ultra-Fine Polypropylene Fiber
Ultra-Fine PP Microfiber for Concrete and Mortar
HPM® UF PP is an ultra-fine monofilament polypropylene fiber designed for concrete, mortar and other cementitious applications where fine fiber diameter, high fiber count, dispersion and surface-finish requirements are important.
What Is HPM® UF PP Ultra-Fine Fiber?
HPM® UF PP is an ultra-fine monofilament polypropylene microfiber manufactured from polypropylene for use in concrete, mortar and related cementitious materials. Its fine diameter increases the number of fibers distributed through the mix compared with coarser PP fibers, making it suitable for applications where crack-control, dispersion and surface-finish requirements are important.
Typical applications include precast concrete, overlays, industrial floors, SCC, repair mortars, plaster, render and dry-mix mortar, subject to the current product TDS and project requirements.
Manufacturer Supply
Quality Guaranteed

Technical Specifications
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Material: 100% virgin polypropylene
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Type: Ultra-fine monofilament micro synthetic fiber
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Specific Gravity: 0.91 g/cm³
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Diameter: 0.018 mm
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Lengths: 6 mm, 9 mm, 12 mm, 19 mm
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Tensile Strength: >450 MPa
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Modulus of Elasticity: 5000 MPa
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Melting Point: 162~167°C (324~333°F)
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Chemical Resistance: Excellent resistance to alkalis and acids
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Color: White
Refer to the current HPM® UF PP Technical Data Sheet for product-specific values, tolerances and test methods.
Standards & References
Developed with reference to internationally recognized standards for synthetic fiber-reinforced concrete.
Refer to the current technical documentation for the applicable standards, product classification and supported use conditions.
How Ultra-Fine Polypropylene Fibers Work
The fine diameter of HPM® UF PP allows a high number of individual fibers to disperse through concrete or mortar. This dense fiber distribution can help interrupt early microcrack development and support cohesion, while the small fiber size may also be useful in applications where surface finish and fine dispersion are important.
Final performance depends on fiber length, dosage, mix design, application and project conditions.

Incorporate Fibers into the Concrete Mix

Distribution at Product-Specific Dosage
Key Benefits
Ultra-Fine Fiber Geometry
Fine fiber diameter supports a high number of individual fibers within the mix.
High Fiber Distribution
Fine monofilaments can provide dense distributed micro-reinforcement throughout concrete or mortar.
Fine Surface Finish
Small fiber dimensions can be useful where visible fiber protrusion and finish are important considerations.
Chemical Resistance
Polypropylene offers resistance to many alkaline and chemical environments, subject to product documentation.
Easy Integration
Fibers can be incorporated into concrete or mortar using the recommended batching and mixing procedure.
Recommended Applications
Precast Concrete
For selected precast applications where fine fiber distribution and surface finish are important.
Mortar, Plaster and Render
Suitable for selected cementitious mixes requiring fine fiber dispersion and crack-control support.
Dry-Mix and Repair Mortars
Fine fiber dimensions can be useful in bagged mortar and repair formulations where dispersion is a key requirement.
Floors, Overlays and Toppings
For selected thin-section or finish-sensitive applications where early-age crack control is required.
SCC and Fine Concrete Systems
May be evaluated where fiber dispersion and flowability are important, subject to mix compatibility and current technical guidance.
Selected PIONEER® Project Experience
Examples of PIONEER® fiber technologies used across concrete infrastructure and construction applications. Product selection varies by project.

Hong Kong-Zhuhai-Macao Bridge

Da Nang Pier, Vietnam

Hangzhou Olympic Center
Dosage and Mixing Guidelines
Item
Guidance
Typical Dosage
0.45 - 0.9 kg/m³
Mortar Fiber Length
6 / 9 mm
Concrete Fiber Length
12 / 19 mm
Mixing
Add with dry materials and mix sufficiently for dispersion
Refer to the current HPM® UF PP TDS for final dosage, fiber length and mixing instructions.
Any workability or mix adjustment should follow the approved formulation and project requirements.
Packaging and Supply Options
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Available fiber lengths
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Bulk and small-dose packaging
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OEM / private-label options where available
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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.
Why Choose PIONEER® Technologies
1. Product Documentation
TDS, SDS and available technical documentation by product.
2. Manufacturing Capability
Concrete fiber production and quality-control capability.
3. International Supply
Experience serving multiple markets and applications.
4. Technical Support
Product selection and dosage guidance for project-specific requirements.

26,500m² production base

Advanced fiber dispersibility

Exceptional tensile strength
FAQ
HPM® UF PP uses a finer fiber diameter, providing a higher number of individual fibers within the mix compared with coarser PP microfiber products.
It is designed for early-age crack-control applications. Final performance depends on dosage, concrete or mortar mix, environmental conditions and project requirements.
HPM® UF PP should not be treated as a universal replacement for structural reinforcement. Any substitution should be supported by project design and required performance.
The current product page lists 0.45 kg/m³ as a typical dosage. Confirm the final dosage in the current TDS and according to project requirements.
It may be suitable for selected SCC and precast applications where fine fiber dispersion and finish are important. Compatibility should be confirmed with the mix and current technical guidance.



