พลาสติก
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS A 6930:1997
Plastic films vapour barrier for residential use
1997
9
Offline
This Japanese Industrial Standard specifies the plastic films to be used when the vapour barrier layer is especially constituted in order to prevent the thermal insulated structure from moisture condensation mainly in the case of a residence with thermal insulated structure.