Air Movement and Control Association (AMCA) International Inc. announces the publication of ANSI/AMCA Standard 540-23, Test Method for Louvers Impacted by Wind Borne Debris. Superseding ANSI/AMCA ...
While performing notch impact tests, a material specimen is tested under impact loading in the form of an elongated building block - single-sided, notched and typically tempered. The unnotched rear ...
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