ASTM Heerka Dhismaha Silig
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ASTM UL Thermoplastic Wire Nooca TW/THW THW-2 Cable
Siligga TW/THW waa kirishbooy naxaas ah oo adag ama go'an oo jilicsan oo ku dahaaran Polyvinylchloride (PVC).
Siligga TW wuxuu u taagan yahay heerkulbeegga, silig biyaha u adkaysta.
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ASTM UL Thermoplastic Heat Heat Resistant Nylon Dahaarka leh THHN THWN THWN-2 Wire
THHN THWN THWN-2 Wire ayaa ku habboon in loo isticmaalo sida qalabka mashiinka, wareegga xakamaynta, ama fiilooyinka qalabka.THNN iyo THWN labaduba waxay leeyihiin dahaarka PVC oo leh jaakadaha nylon.Dahaarka PVC-ga ee thermoplastic wuxuu ka dhigayaa THHN iyo THWN inay leeyihiin sifooyin ololaya, halka jaakada nylon ay sidoo kale ku kordhiso caabbinta kiimikooyinka sida shidaalka iyo saliidda.
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ASTM UL XLPE XHHW XHHW-2 Silig Naxaas ah Kulaylka Sare ee Biyo U adkaysta
Siliga XHHW waxa uu u taagan yahay "XLPE (polyethylene-ku-xidhan oo iskutallaabta ah) Biyo u adkaysta kulaylka sarreeya."Xadhkaha XHHW waa calaamad u ah walax dahaadh gaar ah, qiimaynta heerkulka, iyo xaaladda isticmaalka (ku habboon meelaha qoyan) ee fiilada korantada iyo fiilada.