HMM ZA3 is a cost-effective zinc alloy based on Zamak 3, with very low levels of Pb, Fe, and Ni. It is suitable for die-casting applications requiring excellent fluidity, corrosion resistance, and plating quality.
Property / Feature HMM ZA3 (Offgrade Zamak 3)
Aluminum (Al) 3.9 -4.3 %
Copper (Cu) < 0.6 %
Magnesium (Mg) 0.025 - 0.05 %
Iron (Fe) < 0.020 %
Lead (Pb) < 0.006 %
Nickel (Ni) 0.015 %
Zinc (Zn) Balance
Casting Properties Excellent (Ni within tighter control, good for plating)
Corrosion Resistance High (low Pb, Fe, and Ni strong selling point)
Surface Finish / Plating Excellent
Main Uses Automotive, electrical housings, hardware, consumer goods mainly for diecasting
