Building 2, Dongfang Mao Commercial Center, Hangzhou, Zhejiang, China +86-18858136397 [email protected]
Hot stamping foil application is a thermomechanical process that requires precision and expertise to achieve consistent, high-quality results. The process utilizes a heated metal or silicone die (often made from magnesium, brass, or copper) that is pressed against the foil film and the substrate, causing the release layer to activate and the decorative layer to transfer onto the surface. Critical machine parameters that must be meticulously controlled include temperature (typically between 100°C and 150°C), pressure (which must be sufficient for clean transfer but not so high as to crush the substrate), and dwell time (the duration the die is in contact with the foil and substrate). The suitability of the substrate is also vital; while paper, card, and many plastics are ideal, materials like coated stocks, certain plastics (e.g., PE, PP), and textured surfaces may require specific foil formulations and precise parameter adjustments. Application scenarios are ubiquitous, from high-speed roll-to-roll stamping of labels and packaging materials to slower sheet-fed stamping of book covers and business cards. A common technical challenge involves stamping on plastic injection-molded parts, which requires foils with excellent stretchability and adhesion promoters to conform to complex shapes and overcome surface tensions. Successful application is a partnership between the foil supplier, the die maker, and the printer, each contributing expertise to troubleshoot issues like blistering, poor release, or incomplete transfer. We provide extensive application support, including parameter recommendations for different material combinations and on-site troubleshooting assistance, to ensure optimal results. For technical guidance on a specific application challenge, please contact our application team for professional support.