Polyimide (Kapton) Tape

The ProTape-PI series is a high-performance polyimide film tape engineered for demanding electronic manufacturing and high-temperature industrial applications. Combining DuPont-grade polyimide film with a high-temperature silicone adhesive, it delivers exceptional thermal stability, excellent dielectric strength, and clean residue-free removal — trusted by PCB assembly lines worldwide.

Why Choose ProTape-PI?

• Continuous 260°C rating — handles wave solder, reflow, and powder coat bake cycles without degradation
• >6 kV dielectric strength — reliable electrical insulation for battery cells, transformers, and motor windings
• UL94 V-0 flame retardant — meets stringent electronics safety requirements
• Silicone adhesive — clean removal after high-temperature processing; no adhesive transfer
• Chemical resistant — withstands solvents, acids, oils, and flux
• Four thicknesses available — 25μm, 50μm, 75μm, and 125μm for every application

Typical Applications

PCB gold finger masking during wave soldering · EV lithium-ion battery cell insulation · 3D printer build plate surface · Transformer, coil & motor winding insulation · Semiconductor wafer dicing & processing · Aerospace wire harness wrapping · Powder coating & anodizing masking · High-temperature splicing of films & foils.

Availability

Standard rolls: 500mm × 33m. Custom slit widths from 3mm to 500mm. Die-cut shapes and kiss-cut rolls available on request. Low MOQ for samples — contact our team for pricing and lead time.