Yes, it is possible to view an eclipse with a welding mask. However, it is important to use a welding mask with a shade rating of at least 12 or higher to protect your eyes from the harmful effects of the suns rays during an eclipse.
Here are some product details and materials related to welding masks:
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Shade rating: This is the number that indicates the level of protection a welding mask provides. The higher the number, the darker the lens and the more protection it provides. For viewing an eclipse, a shade rating of at least 12 is recommended.
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Materials: Welding masks are typically made of lightweight, durable materials such as polycarbonate or nylon. The lenses are made of a special type of glass that is designed to filter out harmful ultraviolet and infrared radiation.
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Positive: Welding masks are an effective way to protect your eyes during an eclipse, as long as they have a shade rating of at least 12 or higher.
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Negative: Using a welding mask with a shade rating lower than 12 can be dangerous and can cause permanent eye damage.
https://eclipse2017.nasa.gov/safety https://www.lincolnelectric.com/en-us/support/welding-solutions/Pages/welding-helmet-choosing.aspx
