ASTM Txheem Tsev Hlau
-
ASTM UL Thermoplastic Hlau Hom TW/THW THW-2 Cable
Cov xov hlau TW/THW yog cov xov tooj liab uas khov kho los yog khi, mos mos uas tau muab cua sov thiab muab Polyvinylchloride (PVC) rwb thaiv tsev.
TW hlau sawv cev rau ib qho thermoplastic, dej-resistant hlau.
-
ASTM UL Thermoplastic Kub Siab Tiv Thaiv Nylon Coated THHN THWN THWN-2 Hlau
Cov hlau THHN THWN THWN-2 yog siv rau kev siv ua cov cuab yeej siv tshuab, kev tswj hwm hluav taws xob, lossis kev txuas hluav taws xob ntawm cov khoom siv hluav taws xob. Ob qho tib si THNN thiab THWN muaj cov rwb thaiv tsev PVC nrog cov tsho nylon. Cov rwb thaiv tsev thermoplastic PVC ua rau cov hlau THHN thiab THWN muaj cov khoom tiv taus hluav taws, thaum cov tsho nylon kuj ntxiv kev tiv taus cov tshuaj xws li roj av thiab roj.
-
ASTM UL XLPE XHHW XHHW-2 Tooj Liab Hlau Uas Tiv Tau Kub Thiab Tiv Tau Dej
XHHW hlau yog txhais tau tias "XLPE (cross-linked polyethylene) High Heat-resistant Water-resistant." XHHW cable yog lub npe rau cov khoom siv rwb thaiv tsev tshwj xeeb, qhov ntsuas kub, thiab qhov xwm txheej ntawm kev siv (haum rau qhov chaw ntub dej) rau cov hlau hluav taws xob thiab cable.