Polyimide (Kapton) Tape

Polyimide (Kapton) Tape for High Temperatures

Our Polyimide (Kapton) Tape is a high-performance insulation tape designed for applications requiring extreme temperature resistance, superior electrical insulation, and durability. Made from a premium polyimide film with a high-quality silicone adhesive, this tape can withstand temperatures ranging from -269°C up to +260°C, making it ideal for demanding industrial, electrical, and electronic uses.

Known for its excellent chemical resistance, dimensional stability, and clean removal without residue, Kapton tape is widely used in electronics manufacturing, 3D printing, battery assembly, and aerospace industries.

Currently on 3 widths 15mm, 30mm & 70mm

Price range: $9.00 through $25.00

Specifications

Polyimide (Kapton) Tape

Material: Polyimide film (e.g., Kapton® HN or FN) with adhesive
Thickness:
- Film: ≈ 25 µm (1 mil) typical; ranges from 12.5 µm to 127 µm available
- With adhesive: ~0.06 mm (60–70 µm); 2.7 mil (69 µm) common in 3M tape
Temperature Range: –269 °C to +260 °C (–452 °F to +500 °F); can withstand short-term peaks to 400 °C+
Dielectric Strength: ≈6–7 kV; up to 7 kV for 3M; 8 kV typical breakdown
Adhesion (Peel Strength): ~4 N/cm (40 oz/in) on steel
Tensile Strength: ~45 N/cm (~30–33 lb/in) liquid-film spec
Elongation at Break: ~35–62%; commonly around 50%
Flame Resistance: UL 94 V‑0 rated; flame retardant properties
Service Life: Shelf-stable for 12–36 months if stored around 20–30 °C, 50% RH

Applications

Polyimide (Kapton) Tape

PCB & SMT Solder Masking: Shields components during reflow and wave solder processes
Battery Manufacturing: Secures and insulates battery cells and packs
Transformer & Motor Winding: High-temperature insulation for coils and windings
Powder Coating & Masking: Enables crisp masking in high-heat finishing processes .
3D Printing Bed Surface: Commonly used to build reliable ABS/PLA print beds
Aerospace & Cryogenics: Used in space instruments, cryogenic insulation, and high-vacuum environments