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    Speedglas Filter

    3M Speedglas filters are renowned in welding industries for their reliability and versatility. Suitable for various welding applications, 3M Speedglas filters combine with Speeglas welding masks for safe and effective solutions. With a selection of specialist models to suit all price ranges, 3M are a brand you can trust.

    RS combines its customer first attitude with 3Ms high quality range of products to bring you the solutions you need when you need them. For tough, reliable products that stand up to the high demands of the most challenging industries, 3M stand above the crowd.

    How do auto darkening helmets work?

    Auto-darkening helmets are welding helmets that use a photocell and liquid crystal technology to adjust the shade of their protective viewing window. When no welding is in progress, the helmet remains clear so welders can see clearly what theyre doing without having to remove the helmet or constantly switch it back and forth between light and dark settings. When an arc is struck, UV/IR rays are released which cause the liquid crystals within the lens elements to polarise, making them become tinted. The tint levels vary depending on how intense or bright the rays heating up metal nearby, providing more protection for different types of materials which may release varying intensities of radiation when heated.

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