Special Synthetic Fiber for UHPC

Special Synthetic Fiber for UHPC is a high-performance Polypropylene modified synthetic fiber jointly launched by TopStar Concrete Fiber and universities for use in high-performance concrete. (The applications of high-performance concrete mainly include: UHPC components, architectural components such as UHPC stairs, decorative components such as building exterior wall panels. Fair-faced concrete panels, rammed earth plates, translucent concrete components, artistic concrete components, and GRC components. ) Special Synthetic Fiber for UHPC are easy to disperse and can be mixed in large quantities in large mixing machinery and equipment, allowing for large-area construction. By modifying polypropylene, polypropylene is made more hydrophilic and easier to bond with concrete, thereby increasing the toughness and flexural properties of fiber concrete. This makes fiber concrete soft and strong. Special Synthetic Fiber for UHPC have Excellent acid and alkali resistance, better adapted to places with harsh environments, such as coastal buildings.

Special Synthetic Fiber for UHPC acid and alkali resistant, easy to disperse, replacing copper-plated steel fiber and glass fiber.

Most glass fibers are not resistant to alkali, which causes the performance of the glass fibers in UHPC to slowly weaken over time until all functions of fiber concrete are lost. Fiberglass is suitable for sprayed concrete, so this increases the limitations of construction and cannot be mixed over a large area. Fiberglass is harmful to the human body, causing workers to dislike handling fiberglass, making fiberglass construction more difficult. Our Special Synthetic Fiber for UHPC has excellent acid and alkali resistance, is easy to disperse, has simple construction, and is easier to operate.
During the mixing process of the copper-plated fiber, the copper-plated layer on the surface is easy to fall off, exposing the metal iron to an alkaline environment, which is prone to rust spots, thereby causing rust spots to appear on the surface of the UHPC decorative components, affecting the appearance, and over time also affecting the performance of the UHPC components. Therefore, the application of UHPC mentioned in the introduction is more suitable for the Special Synthetic Fiber for UHPC launched by Topstar Concrete Fiber.

Special Synthetic Fiber for UHPC Both tough and resistant to bending and bending

The diameter of Special Synthetic Fiber for UHPC is only 0.18-0.2mm. If traditional physical indentation is used to treat the fiber surface, most of the fiber’s breaking strength will be lost, thus affecting the performance of the fiber in UHPC. Therefore, TopStar Concrete Fiber cooperated with the university to find a way to modify polypropylene, and at the same time , the feedback data from the construction party confirmed that our modification is useful. By modifying polypropylene, it is made more hydrophilic and easier to bond with concrete. In this way, under the characteristics of high-performance concrete, UHPC components added with polypropylene-modified synthetic fibers are tougher and more resistant to bending, and improve Anti-bending properties.

Special Synthetic Fiber for UHPC the fiber with the best performance among the cheap fibers

There are many high-performance fibers on the market, such as polyacetal fiber, polyvinyl alcohol fiber, high molecular weight polyethylene fiber, etc. Our Special Synthetic Fiber for UHPC cannot be compared with them because the raw material polypropylene has limited performance, but it is very cheap , they cannot compare with Special Synthetic Fiber for UHPC in this regard, because our price is one-third to one-tenth of theirs, so the fiber that is both cost-effective and has good performance in the cheap range must be ours Special Synthetic Fiber for UHPC

Physical Properties

Material: polypropylene modified material

Fiber size: diameter: 0.2mm; length: 9-20mm

Minimum tensile strength: >550MPa

Module:>10GPa

Elongation at break: ≤30%

Density: 0.91 g/cm3

Acid and alkali resistance: excellent

Moisture content: ≤0.1%

Appearance: Transparent monofilament without embossing

User guidance

Dosage: The general dosage is 5-20kg/m3.

Length: The length should be 9-20mm. Depends on UHPC component thickness.

Stirring: Mix the mortar and water (the amount of water should be appropriate but not too much) to form a uniform slurry, then add fiber and stir for 3 to 5 minutes until the fiber is evenly dispersed.

Curing: The UHPC component and curing process after adding fiber are exactly the same as the system without adding fiber.

Package

1 kg per small bag, 10 kg per large bag, volume of one ton 6.8m³, no pallet