ASTM C 217/C217M : 2015 : REV A
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Weather Resistance of Slate
Hardcopy , PDF
05-08-2020
English
01-11-2015
CONTAINED IN VOL. 04.07, 2015 Defines two procedures for weather resistance of slate in all outdoor installations by determining the depth of softening by shear/scratch tester or by hand scraping.
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