PET madaurin (madaidaicin polyester) yana samun ƙarfinsa daga nauyin kwayoyin halitta na albarkatun ƙasa, wanda aka auna ta cikin danko na ciki (IV). Madaidaicin kewayon IV na madaurin PET mai inganci shine 0.60 zuwa 0.95 dl/g.
PET madaurin (madaidaicin polyester) ya maye gurbin madaurin ƙarfe a cikin aikace-aikacen marufi da yawa, yana ba da ƙarfin juzu'i a kashi ɗaya cikin shida na nauyi, ba tare da tsatsa ba, babu gefuna mai kaifi, da 30-50% ƙananan farashi. Amma zai iya maye gurbin karfe gaba daya? Amsar ita ce: a yawancin aikace-aikacen, e, amma ba duka ba.
PET madaurin (madaidaicin polyester) yana cimma ƙarfin karya daga 160kg zuwa 1,360kg dangane da faɗi da kauri. Wannan kewayon yana ɗaukar aikace-aikace daga ɗigon ɓangarorin haske zuwa haɗaɗɗen ƙarfe mai nauyi na ƙarfe da marufi bale auduga. Ƙarfin karya yana ƙayyade ta wurin ɓangaren madaidaicin madauri da daidaitawar ƙwayoyin cuta yayin masana'anta.
Kayayyakin Aluminum-ingot, coils, profiles, da zanen gado-suna gabatar da ƙalubalen marufi waɗanda madauri na yau da kullun ba za su iya ɗauka ba. Nauyi masu nauyi, gefuna masu kaifi, tsinkayen saman, ajiyar waje, da buƙatun jigilar teku tare da babban ƙarfi mam) suna yin amfani da nauyin pallet ɗin haske da marufi na gabaɗaya, yayin da zaɓuɓɓuka masu kauri (0.8-1.25mm) suna ɗaukar coils na ƙarfe, balin auduga, da aikace-aikacen masana'antu mafi buƙata.