Dear sir、 4mm zinc wire. Below is detail index: ZINC 99.995 % MIN MELTING POINT 417 DEGREE CELCIOUS DENSITY 7.12 KGperDM CUBE TENSILE STRENGTH 129NperMM2 ELONGATION 50-75 % TOLERANCE +0.00 MMper (-) 0.050MM LEAD 0.002 % MAX CADMIUM 0.0008 % MAX TIN 0.0008 % MAX IRON 0.0007 % MAX PLS SEND US YOUR BEST PRICE AND DELIVERY TIME REQUIRED FOR immediatE REQUIREMENT OF 30 TON IN COIL FORM AND TOTAL 120 TON BY END SEP 2005.