... PE: Good toughness,Transparency,extensibility,Resistance to melt,Resistance to radiation,work tempreture -40 to +60-- PP: Flame retardant,low ... 94V-2, Flame retardant,Resistance to melt,good at Fighting momentum,work tempreture -30 to +110-- Material of metal part:copper ... ,screw is Iron,Zin coatedTha max of valtage:50V to 450V2>Colour ...