Ua kapa ʻia ʻo PE insulation pipe he PE outer protection pipe, jacket pipe, sleeve pipe.Hana ʻia ka paipu insulation polyurethane i kanu ʻia me ka paipu insulation HDPE ma ke ʻano he pale pale o waho, hoʻohana ʻia ka pahu waena polyurethane rigid foam i hoʻohana ʻia ma ke ʻano he mea hoʻonaninani, a ʻo ka ʻaoʻao o loko he paipu kila.Polyure-thane pololei kanu insulation paipu i maikai mechanical waiwai a me ka thermal insulation hana.Ma lalo o nā kūlana maʻamau, hiki iā ia ke kū i ka wela kiʻekiʻe o 120-180 ° C, a kūpono ia no nā ʻano wai anuanu a me ka wai wela kiʻekiʻe a me ka haʻahaʻa haʻahaʻa pipeline insulation papahana.