







The aluminum film pull tab stands as a vital component in the aluminum alloy formwork system, seamlessly connecting and securing the aluminum formwork on both sides. Its widespread adoption in contemporary construction projects speaks volumes of its significance. Below, we delve into a comprehensive overview, exploring its structure, operational principles, unparalleled advantages, and diverse application scenarios:
• Structural Features
Material: Crafted from high strength aluminum alloy, this material boasts a remarkable trifecta of lightweight properties, superior strength, and exceptional corrosion resistance. These features not only reduce the overall weight of the formwork but also ensure robust connection strength, facilitating ease during construction operations.
Shape: Typically designed as a long, slender strip, the pull tab's length is customizable based on wall thickness and formwork splicing needs. Its surface, often adorned with teeth or anti-slip patterns, enhances friction between formwork and concrete, thereby ensuring steadfast connection stability.
End design: Ingeniously engineered, one end is typically wedge-shaped or barbed, allowing easy insertion into the pre-drilled hole of the aluminum template. The opposite end is equipped with complementary fastening components like pull tab nuts or pins, securing the pull tab in place, preventing any loosening or detachment.
• Working Principle
During the setup of aluminum formwork, the pull tab navigates through pre-existing holes on both formwork sides, positioning its ends outside. By tightening the components at the ends, the formwork sides are drawn together, establishing a stable system. As concrete is poured, the pull tab withstands lateral concrete pressure, maintaining formwork position and shape. This prevents expansion or leakage issues. Once concrete attains sufficient strength, the pull tab components are removed, allowing for the tab's reuse.
• Advantages
Boosted Construction Efficiency: With an installation and dismantling process that is both straightforward and swift, this pull tab eliminates the need for extra drilling or cutting, unlike traditional screws. The result is a significant reduction in project timelines.
Superior Molding Quality: Uniformly distributed, the pull tab's robust fastening force ensures tighter template splicing, vastly diminishing joint marks on concrete surfaces. The outcome is a wall surface of enhanced flatness and smoothness, epitomizing plain concrete perfection.
Cost Efficiency: With its reusable nature, the pull tab slashes material costs, while also curtailing expenses related to concrete repairs due to subpar template splicing.
Eco-Friendly and Energy Efficient: The recyclable aluminum alloy aligns with green construction principles. Additionally, the construction process generates minimal waste, ensuring a reduced environmental footprint.
• Application Scenarios
Ideally suited for a plethora of construction endeavors employing aluminum alloy formwork, such as residential complexes, commercial hubs, industrial facilities, and more. Particularly in high-rise structures' walls, columns, and floors, the aluminum film pull tabs maximize their potential, guaranteeing formwork system stability and impeccable concrete pour quality.