(1) Cov xim ntawm PTFE yog xim xim.
(2) Cov khoom siv yuav tsum hnav hauv kev ntxhib los mos thiab sib luag hauv lub cev, thiab tsis xws luag xws li kab nrib, kev npau taws, kev sib tsoo, ua kev puas tsuaj, thiab cov cuab yeej siv yuav tsum tsis pub.
(3) Tso cai rau me ntsis zoo li huab cua.
(4) Nws yog txoj cai tsis muaj ntau tshaj 1 non-metallic impurities muaj ib lub cheeb ntawm 0.1 mus 0.5 hli thiab tsis pub ntau tshaj 1 non-metallic impurities muaj ib lub cheeb ntawm 0.5 mus rau 2 mm ntawm ib cheeb tsam ntawm 10 × 10 cm.
(5) Qhov ceev yog 2.1-2.3T / m3.
PTFE rods, plhaus nkhaus, cov yeeb yaj kiab, cov hlua khi, cov pa roj hmab, cov nplaum thiab lwm yam ntau yam khoom siv thiab cov khoom siv dav dav hauv cov tshuab, tshuaj, aviation, hluav taws xob thiab hluav taws xob, kev siv hluav taws xob, kev siv tshuab, kev kho mob thiab hluav taws xob thiab lwm cov hauj lwm.