ʻO kahi papa o nā huahana Tubular Rubrular i hoʻohanaʻia e lawe i ke kaheʻana o ke kino, wai, slurry a iʻole nā ​​mea kanu a iʻole nā ​​mea kanu. ʻO ia ka mea i loko o ka loko a me nā'āpana o waho, a me keʻano o ka pahu o ka curleton, nā meaʻala Hanaʻiaʻo Over-Oce-i hanaʻia iā Neoprene lāuaʻo Nitrile Rubber; ACID- a me Alkali-resistant,ʻo ka wela-noho kiʻekiʻe i hanaʻia e Estylene Rubber a Siliki;

S502 T t TRI 4039; Ter 4047; T t TAR 4049;
CR: sn121; sn122; sn123; cr233