Laser Marking for Injection Molded Products: Complete Industry Analysis & DFM Guide 2026-06-17
Product logo, QR code, serial number, production date and part specification marking are indispensable for consumer electronics, automotive plastic parts, home appliances and medical injection components. Compared with traditional pad printing, screen printing and hot stamping, laser marking has become the mainstream surface identification solution for modern injection molded parts, thanks to permanent wear resistance, zero consumables and flexible variable data printing.
In this blog, we make an in-depth systematic analysis of laser marking principles, applicable plastic materials, mold DFM design rules, equipment selection, defective troubleshooting and process comparison for injection molded products, helping mold engineers and production teams avoid mass production failures.
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