Kapton® Tape — Direct from Manufacturer
Kaptontape.com has been a trusted supplier of Kapton® Tapes for over 30 years, serving Aerospace, Data Centers, Electronics, Robotics, and Semiconductor Industries.
Comparable to 3M™, Nitto™, Uline, and other leading brands — Available direct from Kaptontape.com
Custom tapes, including in metric sizes, are available upon request.
✔ UL Recognized – UL 510A
✔ Made in USA
✔ DuPont™ Kapton® Film
✔ ISO 9001:2015
Kapton® Tape Performance & Specifications
✔ Temperature range: -73°C to 260°C (-99°F to 500°F)
✔ Available in 1 Mil, 2 Mil, 5 Mil, and Low Static versions
✔ High dielectric strength with silicone adhesive
✔ Custom widths and metric sizes available
Common Applications
✔ PCB solder masking
✔ Wave soldering
✔ Powder coating masking
✔ 3D printing bed surfaces
✔ Transformer and coil insulation
✔ Semiconductor manufacturing
✔ Aerospace electrical insulation
✔ High temperature masking
Kapton Tapes – Cross Reference & Specifications
| Kaptontape.com | Kaptontape.com | 3M | DeWal | Nitto | Uline |
|---|---|---|---|---|---|
| Part Number/Series | KPT | 5413 | 304-1 | P-221 | S-11730 |
| Color | Amber | Amber | Amber | Amber | Transparent Amber |
| Film Thickness | 1 Mil | 1 Mil | 0.8 – 1.2 Mil | 1 Mil | 1 Mil |
| Adhesive Thickness | 1.5 Mil | 1.7 Mil | 1.2 – 1.8 Mil | 1.6 Mil | 1.5 Mil |
| Total Thickness | 2.5 Mil | 2.7 Mil | 2.0 – 3.0 Mil | 2.6 Mil | 2.5 Mil |
| Flame Retardant | Pass | Pass | Pass | Pass | Pass |
| Adhesion to Steel | 25 Oz./in | 22 Oz./in | 21 – 39 Oz./in | 24 Oz./in | 23.8 Oz./in |
| Tensile Strength | 30 lbs./in | 33 lbs./in | 30 lbs./in | 36 lbs./in | 30 lbs./in |
| Elongation | 40% | 62% | 40% | 85% | 40% – 50% |
| Dielectric Strength | 7,000 volts | 7,000 volts | 8,000 volts | 7,500 volts | 8,000 volts |
| UNSPSC Code | 31201503 | 31201500 | 31201502 | 31201502 | 31201503 |
| UL Standard | UL510 | UL510 | UL510 | UL510 | UL510 |
| Shelf Life | One Year | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
| UL Certificate Link | Link | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
| 2 Mil Kapton Tape | Kaptontape.com | 3M | DeWal | Nitto | Uline |
| Part Number/Series | KPT2 | NCP* | 304-2 | P-222 | S-17214 |
| Color | Amber | N/A | Amber | Amber | Transparent Amber |
| Film Thickness | 2 Mil | N/A | 1.8 – 2.2 Mil | 2 Mil | 2 Mil |
| Adhesive Thickness | 1.5 Mil | N/A | 1.2 – 1.8 Mil | 1.7 Mil | 1.5 Mil |
| Total Thickness | 3.5 Mil | N/A | 3.0 – 4.0 Mil | 3.7 Mil | 3.5 Mil |
| Flame Retardant | Pass | N/A | Pass | Pass | Pass |
| Adhesion to Steel | 25 Oz./in | N/A | 22 – 36 Oz./in | 26 Oz./in | 27.4 Oz./in |
| Tensile Strength | 50 lbs./in | N/A | 36.5 lbs./in | 71 lbs./in | 60 lbs./in |
| Elongation | 45% | N/A | 70% | 90% | 72% |
| Dielectric Strength | 12,000 volts | N/A | 8,000 volts | 13,000 volts | 13,000 volts |
| UNSPSC Code | 31201503 | N/A | 31201500 | 31201500 | 31201500 |
| UL Standard | UL510 | N/A | UL510 | UL510 | UL510 |
| Shelf Life | One Year | N/A | Manufacturer | Manufacturer | Manufacturer |
| UL Certificate Link | Link | N/A | Manufacturer | Manufacturer | Manufacturer |
| 5 Mil Kapton Tape | Kaptontape.com | 3M | DeWal | Nitto | Uline |
| Part Number/Series | KPT5 | NCP* | 304-5 | NCP* | S-23597 |
| Color | Dark Amber | N/A | Amber | N/A | Transparent Amber |
| Film Thickness | 5 Mil | N/A | 4.5 – 5.5 Mil | N/A | 5 Mil |
| Adhesive Thickness | 1.5 Mil | N/A | 1.2 – 1.8 Mil | N/A | 1.5 Mil |
| Total Thickness | 6.5 Mil | N/A | 5.7 – 7.3 Mil | N/A | 6.5 Mil |
| Flame Retardant | Pass | N/A | Pass | N/A | Pass |
| Adhesion to Steel | 25 Oz./in | N/A | 25 – 33 Oz./in | N/A | 25 Oz./in |
| Tensile Strength | 95 lbs./in | N/A | 69 psi | N/A | 125 lbs./in |
| Elongation | 50% | N/A | 50% – 60% | N/A | 40% – 50% |
| Dielectric Strength | 19,000 volts | N/A | 3,290 volts/mil | N/A | 20,000 volts |
| UNSPSC Code | 31201503 | N/A | 31201503 | N/A | 31201503 |
| UL Standard | UL510 | N/A | UL510 | N/A | UL510 |
| Shelf Life | One Year | N/A | Manufacturer | N/A | Manufacturer |
| UL Certificate Link | Link | N/A | Manufacturer | N/A | Manufacturer |
| Low Static Kapton Tape | Kaptontape.com | 3M | DeWal | Nitto | Uline |
| Part Number/Series | KPTLS | 5419 | NCP* | NCP* | NCP* |
| Color | Amber | Gold | N/A | N/A | N/A |
| Film Thickness | 1 Mil | 1 Mil | N/A | N/A | N/A |
| Adhesive Thickness | 1.5 Mil | 1.7 Mil | N/A | N/A | N/A |
| Total Thickness | 2.5 Mil | 2.7 Mil | N/A | N/A | N/A |
| Flame Retardant | Pass | Pass | N/A | N/A | N/A |
| Adhesion to Steel | 25 Oz./in | 20 Oz./in | N/A | N/A | N/A |
| Tensile Strength | 30 lbs./in | 33 lbs./in | N/A | N/A | N/A |
| Elongation | 55% | 60% | N/A | N/A | N/A |
| Dielectric Strength | 7,000 volts | 7,000 volts | N/A | N/A | N/A |
| UNSPSC Code | 31201503 | 31201500 | N/A | N/A | N/A |
| UL Standard | UL510 | UL510 | N/A | N/A | N/A |
| Shelf Life | One Year | Manufacturer | N/A | N/A | N/A |
| UL Certificate Link | Link | Manufacturer | N/A | N/A | N/A |
* No comparable product