อื่น ๆ
เอกสารมาตรฐาน
ไม่ระบุ
DIN
DIN EN ISO 182-2
Plastics - Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures - Part 2: pH method (ISO 182-2:1990)
2000
0
-2000