Why Is Polyimide Tape Superior to Adhesive PET Material High Temperature Tape in Electronics Manufacturing? |https://www.lvmeikapton.com/
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Author:Koko Chan
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Published time: 2025-04-29
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This comparative analysis evaluates Gold Finger Kapton Tape against Adhesive PET material high temperature tape in PCB manufacturing, SMT processes, and semiconductor packaging. Using data from Foxconn’s production lines, it reveals Kapton Tape’s 25% lower impedance, 99% chemical resistance, and 30% higher dielectric strength. Key advantages include zero residue after removal and compatibility with lead-free soldering at 260°C.
In electronics manufacturing, tape performance directly impacts yield and component reliability. Gold Finger Kapton Tape, with its polyimide film and silicone adhesive, addresses critical challenges that Adhesive PET material high temperature tape fails to resolve. This article explores why Kapton Tape is the gold standard in high-precision applications.
Thermal Stress: SMT reflow soldering reaches 260°C, exceeding PET tape’s 180°C limit.
Chemical Exposure: Flux residues and cleaning solvents degrade PET adhesives.
Electrical Leakage: PET’s lower dielectric strength (5–7 kV/mm) risks arcing in high-voltage components.
| Property | Gold Finger Kapton Tape | Adhesive PET Material Tape |
|---|
| Temperature Resistance | 260°C continuous, 300°C peak | 180°C continuous, 200°C peak |
| Dielectric Strength | 10–12 kV/mm | 5–7 kV/mm |
| Adhesion to Copper | 2.5 N/cm (reflow-resistant) | 1.8 N/cm (prone to delamination) |
| Residue After Removal | 0% | 15–20% adhesive residue |
| Cost Factor | Gold Finger Kapton Tape | Adhesive PET Tape |
|---|
| Material Cost | $0.50/m² | $0.30/m² |
| Rework Cost | $0.10/board | $1.20/board |
| Total Cost/1,000 Boards | $600 | $1,500 |
