项目              检验标准               指标
  外观                 目测                    透明淡蓝色
  比重(g/cm)  GB1033-86          1.25~1.35
 拉伸强度MPa    GB13022-91            ≥45
 透光率%           GB2410-80             ≥85
  雾度%             GB2410-80              ≤4 
 挥发物%           GB/T2918-1998        ≤0.2
 软化点℃          GB/T1633-2000        ≥70
落球冲击强度%  Q/320206GAH-2002
 VCM含量         GB/T5009-1996       <1PPM