HosechemTM Polypropylene fiber(PP fiber), also known as anti-cracking fiber, PP fiber, or concrete fiber, is a high-strength bundled monofilament fiber made of polypropylene. The addition of our polypropylene fiber products to mortar or concrete can effectively control the micro-cracks of concretes or mortars caused by plastic shrinkage, dry shrinkage, temperature changes, and other factors, etc. At the same time, it can also prevent and inhibit the formation and development of cracks, thereby significantly improving the penetration resistance, impact resistance, and earthquake resistance of concretes.
Polypropylene Fiber
DESCRIPTION
Polypropylene fiber(PP fiber), also known as anti-cracking fiber, PP fiber, or concrete fiber, is a high-strength bundled monofilament fiber made of polypropylene. The addition of our polypropylene fiber products to mortar or concrete can effectively control the micro-cracks of concretes or mortars caused by plastic shrinkage, dry shrinkage, temperature changes, and other factors, etc. At the same time, it can also prevent and inhibit the formation and development of cracks, thereby significantly improving the penetration resistance, impact resistance, and earthquake resistance of concretes.
PRODUCT SPECIFICATIONS
| INDEX NAME | UNIT | STANDARD SPECIFICATIONS |
| Appearance | – | White, Bundled Mono Filament |
| Tensile Strength | (Mpa) | ≥450 |
| Fiber dimension/Length | (MM） | 3mm, 6mm, 9mm, 12mm, 18mm or customized |
| Moisture Content | （%） | ≤0.41 |
| Density | (G/CM³) | 0.91 ± 0.02 |
PRODUCT PROPERTIES
PRODUCT APPLICATIONS
Benefits of Polypropylene Fibers in Concrete
1. Crack Resistance: Polypropylene fibers are particularly effective in reducing plastic shrinkage cracking, which often occurs when concrete dries too quickly. They help to control micro-cracks that can develop due to temperature changes and other factors, thereby improving the overall integrity of the concrete.
2. Durability and Strength: The incorporation of polypropylene fibers can increase the compressive strength of concrete, enhance its impact resistance, and improve its performance under various environmental conditions. This leads to safer and more durable constructions.
3. Water Resistance: These fibers contribute to reducing water permeability in concrete, making it more resistant to moisture infiltration, which is crucial for structures exposed to wet conditions.
4. Cost-Effectiveness: Using polypropylene fibers does not require special modifications to the concrete mix, making them a cost-effective solution for improving concrete performance without significant additional expenses.
5. Lightweight and Non-Corrosive: Polypropylene fibers are lightweight and do not corrode, unlike steel fibers, which can lead to rust and deterioration over time. This property enhances the longevity of the concrete structures.
Considerations
When choosing polypropylene fibers for concrete, several factors should be considered:
Fiber Length and Dosage: The effectiveness of the fibers can depend on their length and the amount used. Generally, a dosage of about 0.9 kg/m³ is recommended for optimal results. Longer fibers tend to create a stronger bond within the concrete mix.
Impact on Workability: While polypropylene fibers improve certain properties of concrete, they may also affect workability by reducing the slump, which could necessitate adjustments in the water-to-cement ratio.
Compatibility with Other Materials: It is essential to ensure that the polypropylene fibers are compatible with other additives or materials in the concrete mix to avoid any adverse effects on performance.
PRODUCT PACKAGE
1. Net Weight 25kg/bag, paper plastic composite bag lined with PE film bag.
2. Blank bags or OEM bags are available.
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