Historical
ASTM C652-19a Red
Standard Specification for Hollow Brick (Hollow Masonry Units Made From Clay or Shale) (Standard + Redline PDF Bundle)
Content Provider
ASTM International [astm]
Content Provider
ASTM International [astm]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.