UL-Recognized Kapton® Tape — Made in USA, Direct from Manufacturer Ver2

UL-Recognized 1 Mil Kapton® Tape (DuPont™ Film) — Equivalent to 3M 5413

High-performance polyimide tape for PCB soldering, electrical insulation, and high-temperature masking up to 260°C.

Trusted by engineers at:

✔ Key Advantages

Made with DuPont™ Kapton® HN film (industry standard)
UL Recognized (UL 510) for electrical insulation
Made in USA
RoHS & REACH compliant
Direct from manufacturer — no distributor markup

Choose the Right Size

PCB solder masking: 1 mil, 1/4" width (most common)
General purpose masking: 1 mil, 1/2" width
Wider coverage: 1" and above

Equivalent Products

Equivalent to: 3M 5413 • Nitto 221 • Uline S-11730 • DeWal DW-KT-1 Used as a cost-effective, high-performance alternative to leading Kapton tape brands.

Why Engineers Choose Bertech

Same DuPont™ Kapton® film used by leading brands
UL-recognized for electrical insulation applications
Consistent performance in high-temperature processes
Lower cost due to direct manufacturing model
Fast availability without distributor delays

Technical Highlights

Temperature Range: -269°C to 260°C
Adhesive: Silicone (clean removal)
Dielectric Strength: >7000V typical
Film Thickness: 1 mil
Total Thickness: ~2.7 mil

Common Applications

PCB solder masking (wave & reflow)
Electrical insulation
Powder coating masking
Aerospace & automotive
EV battery manufacturing

Available Sizes

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Documentation

Frequently Asked Questions

Q: Is this real Kapton® film? A: Yes, made with DuPont™ Kapton® HN polyimide film. Q: Can this replace 3M 5413? A: Yes, it is commonly used as a direct alternative. Q: Will it leave residue? A: No, the silicone adhesive ensures clean removal. Q: What temperature can it handle? A: Up to 260°C continuous use.

Ready to Order?

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All KPT Series Kapton Tape — Ready to Order

All standard widths available. Use Ctrl+F to quickly find your part number.

Part Number	Width	Thickness	Length	Use Case	Price
KPT-1/4 ⭐ Most Popular	1/4"	1 mil	36 yd	PCB solder masking	$X.XX
KPT-1/2 ⭐ General Use	1/2"	1 mil	36 yd	General masking	$X.XX
KPT-1	1"	1 mil	36 yd	Wide coverage	$X.XX
KPT-2	2"	1 mil	36 yd	Large area masking	$X.XX
KPT-3	3"	1 mil	36 yd	Industrial masking	$X.XX
KPT-4	4"	1 mil	36 yd	Wide masking	$X.XX