項目              檢驗標準               指標
  外觀                 目測                    透明淡藍色
  比重(g/cm)  GB1033-86          1.25~1.35
 拉伸強度MPa    GB13022-91            ≥45
 透光率%           GB2410-80             ≥85
  霧度%             GB2410-80              ≤4 
 揮發物%           GB/T2918-1998        ≤0.2
 軟化點℃          GB/T1633-2000        ≥70
落球沖擊強度%  Q/320206GAH-2002
 VCM含量         GB/T5009-1996       <1PPM