It was found that the condensable compositions of gas diffused into the pipes walls,but these condensed fluids are the categ...

• 发现煤气的冷凝液组分已渗透到塑料管壁内,但对于聚乙烯和聚氯乙烯,这些重质烷烃类与芳香烃类混合液是不具化学活性的物理腐蚀介质。