Hana ʻia ka pahu hoʻololi i nā mea kūlohelohe (HDPE) (PP) maka.Hoʻohālikelike ʻia ia e ke kaʻina hana hoʻoheheʻe hoʻokahi ʻāpana.ʻAʻohe discoloration, ʻili maʻalahi, maʻalahi e hoʻomaʻemaʻe, maikaʻi ka hopena insulation thermal, ʻaʻole makaʻu i ka hāʻule, lōʻihi ke ola lawelawe.