2025-08-09
Coloured aluminium (coloured aluminium alloy) has quietly integrated into various aspects of our lives thanks to its lightweight, strong corrosion resistance and diverse colours. Many small items we encounter daily yet rarely notice actually incorporate it from the precision components of electronic devices to the decorative details of home furnishings. These ‘invisible’ applications of coloured aluminium not only enhance product functionality but also optimise our living experience through colour and texture. The following easily overlooked details all rely on the contribution of coloured aluminium:1. The ‘invisible guardians’ in electronic devicesMobile phone SIM card trays Almost all smartphone SIM card trays are made of coloured aluminium. For example, the card slot on OPPO phones is explicitly labelled as aluminium alloy, while the dual SIM card tray on the Apple iPhone 15 series offers multiple aluminium metal colour options such as pink, yellow, and green. This design not o