พลาสติก
เอกสารมาตรฐาน
สหรัฐอเมริกา
ASTM
F3430-20
Standard Specification for Closed-Cell Cellular Polypropylene (PP) Corrugated Wall Stormwater Collection Chambers
2020
8
ASTM Vol.08.05 (2023)
This specification covers requirements, test methods, materials, and marking for closed-cell cellular polypropylene (PP), open bottom, buried chambers of corrugated wall construction used for collection, detention, and retention of stormwater runoff. Applications include commercial, residential, agricultural, and highway drainage, including installation under parking lots and roadways...