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Gold Finger Tape, also known as Polyimide / Kapton PI Tape, is amber high-performance film coated with silicone adhesive. It withstands continuous high temperature up to 260°C, offers excellent electrical insulation, peels off completely with zero adhesive residue. Widely used in PCB SMT soldering, battery wrapping, powder coating masking, 3D printing and electronics repairing. Custom sizes, thickness and die-cut service supported.
Key Features
Backing Material: Polyimide (PI) Film
Adhesive Type: Silicone Pressure Sensitive Adhesive (Single Side Coating)
Temperature Range: Up to 300℃ (short-time soldering)
Thickness: 0.025mm, 0.03mm, 0.05mm, 0.075mm, custom thickness available
Color: Amber / Transparent Brown
Core Inner Diameter: 76mm (3inch) standard or custom
Key Features: No residue after peeling, good flexibility, easy die-cutting & slitting
Continuous Operating Temperature：-20℃ ~ 260℃
Chemical Resistance: Resist to weak acid, alkali and common solvents
Custom Service: Various sizes available, custom width, length and logo printing acceptable
| Product Name | Kapton Gold Finger Polyimide PI Film Insulation High Temperature Tape |
| Backing Material | Polyimide (PI) Film |
| Dielectric Strength | ≥150 kV/mm |
| Adhesive | Silicone Pressure Sensitive Adhesive (Single Side Coating) |
| Thickness | 0.025mm, 0.03mm, 0.05mm, 0.075mm, custom thickness available or custom |
| Tensile Strength | ≥130 MPa |
| PI Film Thickness | 0.0125mm / 0.025mm / 0.05mm optional |
| Peel Adhesion (to steel) | 4.5 ~ 6.5 N/25mm |
| Color | Amber / Transparent Brown |
| Surface Resistivity | ≥1×10¹³ Ω |
| Continuous Operating Temperature | -20℃ ~ 260℃，Up to 300℃ (short-time soldering) |
| Chemical Resistance | Resist to weak acid, alkali and common solvents |
| Application | SMT PCB gold finger masking, lithium battery insulation, powder coating, 3D printer heat bed, motor insulation |
| MOQ | 1000 rolls |
PCB Gold Finger Soldering Protection
Shield PCB gold fingers during SMT reflow and wave soldering against solder contamination and oxidation.
Lithium Battery Insulation & Wrapping
Insulate battery tabs and cell gaps to prevent short circuits and resist thermal aging.
Powder Coating & High-Temp Masking
Mask threads and reserved zones during high-temperature curing, peel off residue-free.
3D Printer Heat Bed Masking
Protect hot bed surface, maintain adhesion under sustained heating with no leftover glue.
Motor & Transformer Winding Insulation
Insulate coils and wires, boost dielectric performance for electrical assemblies.
Automotive & Aerospace Electronic Parts
Provide heat-resistant insulation for precision electronics under extreme thermal cycles.
Precision Electronic Repair & Insulation
Widely used in circuit board maintenance, capacitor insulation, cable wrapping, and precision electronic component protection. The thin and flexible film fits irregular surfaces perfectly, providing stable insulation and anti-scratch protection.
Metal Sandblasting & Polishing Masking
Protects precision metal surfaces, grooves, and reserved areas during sandblasting, polishing, and surface treatment. It has strong tensile resistance, is not easy to break or fall off, and effectively shields parts from mechanical damage.
✅ Custom size: Slit into any width & length as request, die-cut, sheet cutting, roll custom OD/ID
✅ Custom thickness: PI film substrate from 12.5μm ~ 125μm, adjustable adhesive coating weight
✅ Custom color: Standard amber, other colors available upon requirement
✅ Custom adhesive: Silicone adhesive for high temp, acrylic adhesive optional
✅ Custom logo & printing: Print your brand logo, part number, warning text on tape backing or liner
✅ Custom packaging: Private label, custom carton, shrink wrap, inner label, multi-pack combo; OEM & ODM support
✅ Special performance customization: Static dissipative (ESD) grade, low residue, ultra-thin, high peel strength for gold finger
✅ Professional PI Kapton tape manufacturer with mature formulation for gold finger masking application
✅ Strict raw material control: Imported polyimide film & high temperature silicone glue, stable batch consistency
✅ Precision converting workshop: Advanced slitting & die-cutting machine, tight tolerance, no burr, no wrinkle
✅ High temperature resistance: Excellent heat resistance, no adhesive residue after baking, perfect for gold finger protection during wave soldering, reflow soldering
✅ Quality inspection: 100% inspection before shipment, test report can be supplied (thickness, peel strength, temperature resistance)
✅ Flexible customization: Accept small MOQ for custom orders, fast sampling & short lead time
✅ Export experience: Familiar with overseas packaging & shipping, support FOB, CIF terms; stable supply for global distributors
✅ Technical support: Professional engineering team, provide technical data sheet & application suggestion for your electronics project
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