Astm C 657 – 93 (Reapproved 2003) pdf free download

Astm C 657 – 93 (Reapproved 2003) pdf free download

Standard Test Method for D-C Volume Resistivity of Glass1 This standard is issued under the fixed designation C 657; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon … Read more

Astm C 656 – 94a (Reapproved 2001) pdf free download

Astm C 656 – 94a (Reapproved 2001) pdf free download

Standard Specification for Structural Insulating Board, Calcium Silicate1 This standard is issued under the fixed designation C 656; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) … Read more

Astm C 655M – 02 pdf free download

Astm C 655M – 02 pdf free download

Standard Specification for Reinforced Concrete D-Load Culvert, Storm Drain, and Sewer Pipe [Metric]1 This standard is issued under the fixed designation C 655M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last … Read more