Shenzhen Alu Rapid Prototype Precision Co., Ltd.

Die-cast zinc is not inherently antibacterial like brass. Brass, which contains copper, has well-documented antimicrobial properties because copper ions can disrupt bacterial cell membranes, killing microbes within hours. Studies show brass surfaces can reduce bacterial growth by 99% in controlled settings. Zinc, while also a metal with some antimicrobial potential, is less effective. Pure zinc surfaces can inhibit certain bacteria due to zinc ions, but the effect is slower and less pronounced than copper or brass, and die-cast zinc often contains alloys or coatings that may further reduce any antibacterial activity.

Die-cast zinc is commonly used for its strength, corrosion resistance, and cost-effectiveness in applications like automotive parts or hardware, but it’s not typically relied upon for antibacterial properties. If you need a material with strong antimicrobial effects for a specific use (e.g., medical or food-grade applications), brass or copper-based alloys would be better choices.