พลาสติก
เอกสารมาตรฐาน
สหรัฐอเมริกา
ASTM
F3240-19e1
Standard Practice for Installation of Seamless Molded Hydrophilic Gaskets (SMHG) for Long-Term Watertightness of Cured-in-Place Rehabilitation of Main and Lateral Pipelines
2019
7
ASTM Vol.08.05 (2023)
This practice covers the requirements for the installation of seamless molded hydrophilic gaskets (SMHG) in cured-in-place pipe (CIPP) rehabilitation of main and lateral pipelines. The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. There is no similar or equivalent ISO Standard...