ASTM Standard Building Waya
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ASTM UL Thermoplastic Wire Type TW/THW THW-2 Chingwe
Waya wa TW/THW ndi kondakitala wolimba kapena wopindika, wofewa wotsekeredwa ndi Polyvinylchloride (PVC).
Waya wa TW amaimira waya wa thermoplastic, wosamva madzi.
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ASTM UL Thermoplastic High Heat Resistant nayiloni Yokutidwa THHN THWN THWN-2 Waya
THHN THWN THWN-2 Waya ndi oyenera kugwiritsidwa ntchito ngati chida cha makina, mayendedwe owongolera, kapena waya wamagetsi.THNN ndi THWN onse ali ndi zotchingira za PVC zokhala ndi jekete za nayiloni.Kutsekemera kwa PVC kwa thermoplastic kumapangitsa waya wa THHN ndi THWN kukhala ndi zinthu zoletsa moto, pomwe jekete la nayiloni limawonjezeranso kukana mankhwala monga mafuta ndi mafuta.
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ASTM UL XLPE XHHW XHHW-2 Waya Wamkuwa Wapamwamba Wopanda Kutentha Madzi
Waya wa XHHW amaimira "XLPE (polyethylene yolumikizidwa ndi mtanda) Wosamva Kutentha kwa Madzi."Chingwe cha XHHW ndi chizindikiro cha chinthu china chotchinjiriza, kutentha kwa kutentha, ndi momwe mungagwiritsire ntchito (oyenera malo onyowa) pawaya wamagetsi ndi chingwe.
