พลาสติก
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS A 9401:2007
Recycled plastics medial strip block
2007
14
Offline
This Japanese Industrial Standard specifies the medial strip block used for roads which is mainly formed with recycled plastics and, where appropriate, with the addition of sub-materials such as extender, reinforcing materials, additives, etc.