Protection Level of Clear Shield Windows

Over the past several years during development and approval of ASTM 2178 Standard Test Method for Face Protective Products there has been discussion regarding the level of protection provided by clear face shields or clear hood shield windows. Anecdotal evidence would suggest that clear hood shield windows have provided protection from the incident heat energy of an arc flash event. To resolve this issue, testing has been conducted using ASTM F2178 instrumented heads to determine the level of protection provided by a clear shield window.

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