Polyethylene (PE) is retarded by various flame retardant systems composed of unhalogen flame retardants such as amorphous phosphorus alloy and aluminium trihydrate (ATH).

• 采用红磷合金、水合氧化铝、聚磷酸铵等无卤阻燃剂构成的多种阻燃体系对聚乙烯进行阻燃。