Hoʻolālā ʻia a hana ʻia ka mea hōʻike ea permeability no ka pepa ʻeke sima, pepa ʻeke pepa, pepa kelepona, pepa kope a me ka pepa kānana ʻoihana, a me nā mea ʻē aʻe, e ana i ka nui o kona ea permeability, ua kūpono ka mea kani no ka ea permeability ma waena o 1 × 10-2 ~ 1 × 102um / (pa.s), ʻaʻole no ka pepa me ka ʻili nui.
ʻO ia hoʻi, ma lalo o nā kūlana i kuhikuhi ʻia, ka ʻokoʻa o ka manawa a me ka ʻāpana kaomi, ka ʻāpana o ka pepa ma o ke kahe ʻana o ka ea. Nui nā ʻano pepa, e like me ka pepa ʻeke sima, ka pepa ʻeke pepa, ka pepa kelepona, ka pepa kope a me ka pepa kānana ʻoihana, pono e ana i kona permeability, ua hoʻolālā ʻia a hana ʻia kēia mea hana no nā ʻano pepa āpau. He kūpono kēia mea hana no ka hikiwawe o ka ea ma waena o 1 × 10-2 ~ 1 × 102um / (pa. S), ʻaʻole kūpono i ka ʻili o ka pepa ʻala nui.
Hoʻohālikelike ka mīkini hanu i ka QB/T1667-98 "Pepa a me ka pepa breathability Tester", GB/T458-1989 "Pepa a me ka pepa breathability hoʻoholo" (Schobol). Iso1924/2-1985 QB/T1670-92 a me nā kūlana kūpono ʻē aʻe.
E hoʻouna i kāu leka iā mākou:
Ka manawa hoʻouna: Feb-23-2022
