Hello Xin Li.
Want your help.
Do you have ASTM C1602/C1602M-06 Standard Specification for Mixing Water Used in the Production of Hydraulic Cement Concrete.pdf?
If you have it, may you immediately info me?
Thank you.
Hello. Nice to meet you.
Do you have ASTM C150 / C150M - 09 Standard Specification for Portland Cement?
If you have it, may you share with me?
Thank you.