พลาสติก
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS K 7038:1998
Plastics piping systems -- Glass-reinforced thermosetting plastics (GRP) pipes -- Test method to prove the resistance to initial ring deflection
1998
6
Offline
This Japanese Industrial Standard specifies a method for testing the ability of glass-reinforced thermosetting plastics (GRP) pipes to withstand specified levels of initial ring deflection without displaying surface damage and/or structural failure.