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Company Profile
A passive welding filter is a specific type of filter used in some welding helmets to protect the welder's eyes from the intense light and sparks generated during welding operations. Passive welding filters are fixed lenses that have a designated shade number, which indicates the level of darkness the lens provides and the amount of protection it offers. The appropriate shade number will vary depending on the welding process and materials being used. For example, lower shade numbers (e.g., #9 or #10) are suitable for low-amperage welding processes like TIG welding, while higher shade numbers (e.g., #11 to #14) are required for higher-amperage welding processes such as MIG or stick welding. Unlike auto-darkening welding filters, passive welding filters do not have any electronic controls or automatic adjustment features. The welder must manually flip the helmet down before striking an arc and flip it back up when not in use. Due to their simplicity and affordability, passive welding filters are still widely used in various welding applications.
FAQ
Why choose HangZhou Tyno Electronic Tech Co,Ltd:
1. Professional Manufacturer from 1992 As the professional manufacturer, has a perfect production process. After a long period of experience of exporting business, our reliable and professional team is getting stronger and bigger every year, and we are still keep the quality as well in production. 2. Main products All kinds of Solar Auto-darkening Welding Mask, Solar Auto-darkening Welding Goggles. 3. Quality We believe quality is the base of long time cooperation. We have strictly quality control system to make sure our goods will be same as your confirmed sample. Products certifications: CE/EN 175 & EN 379, ANSI Z87.1, CSA Z94.3