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ANSI/BHMA A156.18-2020
Materials and Finishes
This Standard establishes tests for architectural finishes applied to various types of Builders Hardware with specific performance requirements by individual standards described in Section 6. Tests include salt spray, UV, perspiration, hardness, and humidity. This Standard also provides a numbering system to describe finishes by base material and coatings.
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Builders Hardware Manufacturers Association [bhma]