ʻO ASTM A888/CISPI301/CSA B70 ʻO ka Paipu lepo hao ʻole Hubless
ʻO nā paipu lepo hao hina hina i hana ʻia e ka ʻenehana centrifugal i hoʻohana ʻia i loko o ka ʻōnaehana hoʻoheheʻe wai a me nā ʻōnaehana hoʻoheheʻe ʻana ma o ka pilina maʻalahi, a loaʻa iā ia nā mea maikaʻi: palahalaha pololei, ʻo ka paia paipu. ka ikaika kiʻekiʻe a me ka paʻakikī, ka maʻalahi o loko a me waho o ka ʻili, ʻaʻohe kīnā ʻole, hoʻokomo maʻalahi, mālama maʻalahi, hoʻohana lōʻihi i ke ola, pale ʻana i ke kaiapuni, pale ahi a ʻaʻohe leo.
Pena i loko a me waho: Pena bitumen ʻeleʻele me ka mānoanoa maloʻo awelika o 100 microns.
Hana ʻia nā paipu paipu āpau e like me ka maʻamau ASTM A888-05 /CISPI301/CSA B70 a ʻaʻole hiki ke wela a ʻaʻole hiki ke puhi ʻia.