
HPM® GFM-50
Glass Fiber Micro Powder
Enhance Concrete Durability and Strength
Since 2002, we have specialized in concrete crack resistance, waterproofing, and anti-corrosion technologies.
Ultrafine Reinforcing Glass Fiber Micro Powder | PIONEER®
nhance Concrete Durability and Strength with Glass Fiber Powder
What Is PIONEER® Glass Fiber Micro Powder for Cementitious Reinforcement?
PIONEER® HPM® GFM-50 is an ultrafine reinforcing glass fiber micro powder developed for concrete, mortar, UHPC, and cement-based composites. With particle sizes below 10 μm and high surface area, this alkali-free E-glass fiber powder refines microstructure, enhances toughness, reduces microcracking, and improves long-term durability in advanced concrete systems while maintaining easy dispersion in dry and wet processes.
Looking to reduce cost while improving concrete performance?
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Technical Specifications of Glass Fiber Micro Powder for Concrete and Mortar
Explore the consistent, high-purity properties of PIONEER® glass fiber powder for enhancing cementitious materials:
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Material: Alkali-free E-glass fiber
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Type: Ultrafine micro powder
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Average Particle Size: 35 μm
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Specific Gravity: 2.6 g/cm³
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Purity: >99% glass fiber
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Bulk Density: 0.3–0.5 g/cm³
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pH (in water): 7–9
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Moisture Content: <0.5%
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Color: White
Standards Compliance for Glass Fiber Powder Cement Reinforcement
PIONEER® glass fiber micro powder aligns with international standards to ensure reliable performance:
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ASTM C1240: Mineral admixtures for concrete
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EN 13263: Silica fume and mineral admixtures
How Glass Fiber Micro Powder Strengthens Concrete?
Learn how PIONEER® glass fiber micro powder enhances concrete microstructure, increases strength, and improves crack resistance.
The ultrafine particles fill micro-voids, reduce porosity, and refine the interfacial transition zone between aggregates and cement paste. This leads to improved compressive and flexural strength, enhanced bonding, reduced permeability, and increased resistance to cracking, making it ideal for high-performance concrete, UHPC, mortars, and repair materials.

Fiberglass resin composite materials

Fiberglass grating grid plate
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Key Benefits of Using Glass Fiber Micro Powder in Concrete
Maximize performance in your projects with PIONEER® glass fiber micro powder:
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Refines microstructure, reducing porosity
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Enhances crack resistance and toughness
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Improves compressive and flexural strength
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Promotes better bonding between cement paste and aggregates
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Reduces permeability, increasing durability
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Easy to disperse in dry and wet mixing
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Compatible with various concrete and mortar formulations
Applications of Glass Fiber Micro Powder for Cementitious Reinforcement
PIONEER® glass fiber powder is used globally in:
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High-performance concrete and UHPC
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Mortars and overlays for repair and protection
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Cement-based composites and fiber-reinforced products
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Grouts and specialty cementitious materials
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Decorative and architectural concrete elements

Precast elements

3D-printed construction materials

Aerospace composite materials
Not sure how to choose the right fiber or dosage?
Our team can recommend a solution based on your project requirements.
Email us:sales@pioneerfibre.com
How to Use Glass Fiber Micro Powder in Concrete?
Ensure optimal use of PIONEER® glass fiber micro powder in your production:
1. Dosage: Typically 0.5–2% by weight of cementitious materials
2. Mixing: Add gradually during dry or wet mixing for even distribution
3. Handling: Use PPE and dust control during handling
4. Storage: Store in sealed, moisture-protected packaging
Custom Glass Fiber Micro Powder Solutions for Your Projects
PIONEER® offers flexibility to meet your project requirements:
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Customizable particle size distributions for specific needs
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Packaging options: bulk bags, moisture-protected sacks, small packs
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Technical support for mix design optimization and performance guidance
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Why Choose Us?
Proven Expertise & Greater Savings
22 years of focus
on concrete protection solutions.
20+ patents & awards
In concrete durability technology
20+ countries served
with global product distribution.
1,000 projects proven
in diverse applications worldwide.
FAQ
The micro powder helps reduce microcracking, improves long-term durability, and increases overall toughness in concrete systems. Its fine particle size and high surface area allow better dispersion, enhancing the material’s mechanical properties.
Yes. HPM® GFM-50 is specifically engineered for ultra-high-performance concrete (UHPC), high-performance mortars, and other advanced cement-based materials, providing superior reinforcement at the micro level.
Absolutely. Despite its ultrafine particle size, HPM® GFM-50 disperses easily in both dry and wet mixing processes, ensuring uniform distribution throughout the cementitious matrix.
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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















