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Safety Glasses - ANSI Z87.1 Standards. NEW ANSI/ISEA Z87.1 - 2010 STANDARDS. The International Safety Equipment Association (ISEA) has announced that the The American National Standards Institute (ANSI) has approved and issued new standards for Occupational and Educational Eye and Face Protection (ANSI Z87.1-2010).
The protective shade numbers refer to the darkness shade of safety glasses or welding shields, the higher the number the darker the glass. ANSI and the American Welding Society (AWS) publish a slightly more detailed chart, in ANSI Z49.1:2005 Safety in Welding, Cutting, and Allied Processes. In both cases, the recommendations offer the rule of thumb to âstart with a shade that is too dark to see the weld zone.