







Aluminum film pull tabs are crucial components in the aluminum alloy formwork system, ingeniously designed to securely connect and stabilize the aluminum formwork on each side. Highly acclaimed in modern construction, let's delve into an in-depth overview encompassing their structure, functionality, benefits, and ideal application scenarios:
• Structural Features
Material: Crafted from high-strength aluminum alloy, this material is renowned for its lightweight, robust strength, and exceptional corrosion resistance. It not only minimizes the overall weight of the formwork but also ensures formidable connection strength, thereby streamlining construction operations and enhancing efficiency.
Shape: Typically fashioned as elongated thin strips, the length is custom-tailored to align with the wall's thickness and the formwork's splicing demands. The surface is adorned with teething or anti-slip patterns, amplifying friction between the formwork and concrete, thus fortifying the stability of the connection.
End Design: Ingeniously engineered, one end is often wedge-shaped or features a barbed structure for effortless insertion into the aluminum template's reserved hole. The opposite end is equipped with compatible fastening elements such as pull tab nuts or pins, ensuring the pull tab is securely fixed, preventing any risk of loosening or detachment.
• Working Principle
During installation, the aluminum film pull tab is deftly inserted through pre-established holes on either side of the formwork, positioning its ends externally. By skillfully tightening the fastening elements at these ends, the formwork sides are seamlessly pulled together, establishing a robust formwork system. Amidst concrete pouring, the pull tab withstands lateral pressure, maintaining the formwork's position and shape, and averting issues like expansion or leakage. Once the concrete attains requisite strength, the fastening components are detached, and the pull tab is retrieved for reuse.
• Advantages
Boosts Construction Efficiency: The installation and dismantling process is remarkably simple and swift. Unlike traditional pull screws, it negates the need for additional drilling or cutting, significantly curtailing the construction timeline.
Enhanced Molding Quality: With uniform distribution and formidable fastening force, the pull tab ensures more compact template splicing, reducing joint marks on the concrete surface, enhancing wall flatness and smoothness, and achieving superior plain concrete finishes.
Cost-Efficient: The pull tab's reusability translates to substantial material cost savings. Additionally, it mitigates costs associated with concrete repairs due to loose template splicing.
Eco-Friendly and Energy-Saving: The recyclable nature of aluminum alloy material aligns with green construction principles. Moreover, the construction process generates minimal waste, thereby exerting a negligible environmental impact.
• Application Scenarios
Ideally suited for diverse construction projects employing aluminum alloy formwork, ranging from residential and commercial complexes to industrial plants. Particularly in high-rise buildings' structural components like walls, columns, and floors, aluminum film pull tabs exhibit their full potential, ensuring optimal formwork system stability and superior concrete pouring quality.