High Performance PVA Fiber for Cement Reinforcement & ECC Applications

Polyvinyl Alcohol (PVA) Fiber is a high-performance synthetic fiber engineered for advanced cementitious systems, including concrete reinforcement, mortar, and engineered cementitious composites (ECC).

With high tensile strength, superior bonding ability, and controlled water solubility, our PVA fiber significantly enhances crack resistance, toughness, and durability in construction materials.

Key Specifications 

Notes:

• Fiber cutting length can be customized according to application requirements
• Appearance and dispersion performance are strictly controlled during production

Product Advantages 

1. Exceptional Mechanical Strength

• High tensile strength (11.5–12.5 cN/dtex)
• Improves structural integrity of cement matrices
• Reduces micro-cracking under stress

2. High Modulus for Crack Control

• Initial modulus up to 320 cN/dtex
• Effectively restrains early-age shrinkage cracks
• Enhances load transfer efficiency

3. Superior Dispersion Performance

• Dispersion grade 1–3 ensures uniform fiber distribution
• Prevents fiber agglomeration during mixing
• Improves workability of mortar and concrete

4. Controlled Water Solubility

• Low solubility (≤1.5%) ensures durability
• Maintains long-term reinforcement performance
• Ideal for structural applications

5. Strong Chemical Bonding with Cement

• Hydrophilic surface enhances adhesion
• Improves fiber-matrix interface strength
• Critical for ECC and high-performance concrete

Main Applications

1. Engineered Cementitious Composites (ECC)

• Enables strain-hardening behavior
• Improves ductility and crack control
• Used in high-performance infrastructure

2. Concrete Reinforcement

• Reduces plastic shrinkage cracking
• Enhances impact resistance
• Improves durability in harsh environments

3. Dry-Mix Mortar

• Tile adhesive
• Repair mortar
• Self-leveling compounds

4. Precast & UHPC Systems

• Enhances tensile performance
• Reduces brittleness
• Improves long-term durability

Technical Performance in Cement Systems

Packaging & Supply

• Standard Packaging: 1kg/bag, 25kg/Woven bag
• Custom Packaging: Available upon request
• MOQ: Flexible depending on region
• Supply Capacity: Bulk & container shipments available

Quality Control & Manufacturing

Our PVA fiber is manufactured under strict quality systems ensuring:

• Stable fiber fineness distribution
• Consistent tensile performance
• Controlled oil content for optimal dispersion
• Batch-to-batch consistency for industrial use

Why Choose Us as Your PVA Fiber Supplier

• Factory-direct pricing (cost advantage)
• Customizable specifications (length, solubility, modulus)
• Stable global supply chain
• Technical support for formulation optimization
• Proven experience in construction chemical industry

Related Products 

To maximize performance, PVA Fiber is often used together with:

• Hydroxypropyl Methyl Cellulose (HPMC) – water retention & workability
• Redispersible Polymer Powder (RDP) – adhesion & flexibility
• Polycarboxylate Superplasticizer (PCE) – flowability improvement

FAQ:

Q1: What is PVA fiber used for in concrete?

PVA fiber is used to improve crack resistance, tensile strength, and durability in concrete and mortar systems.

Q2: What makes PVA fiber suitable for ECC?

Its high bonding strength, high modulus, and controlled elongation make it ideal for strain-hardening cement composites.

Q3: Is PVA fiber water soluble?

It has controlled low solubility (≤1.5%), ensuring durability while maintaining good dispersion.

Q4: Can fiber length be customized?

Yes, fiber cutting length can be adjusted according to specific application requirements.

Call to Action

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• Get technical datasheets & samples
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👉 Contact us now to optimize your concrete and mortar performance. Email: chris@innonew-material.com