These test methods cover two procedures for weather resistance of slate in all outdoor installations by determining the depth of softening after soaking in 1% sulfuric acid solution by a shear/scratch tester (Test Method A) or by hand scraping (Test Method B).
WJE laboratories are accredited by ANAB (ISO/IEC 17025) to perform testing standard ASTM C217 for Standard Test Method for Weather Resistance of Slate.
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Keywords
ASTM C217 - Weather Resistance - Slate
ICS CODE
91.100.15