Kapton® 300FN929 – A1 – 0.0762mm | DuPont™Custom pads and gaskets priced instantly and made to order within 24 hours!

Kapton® 300FN929 – A1 – 0.0762mm | DuPont™

Thermally Conductive Substrate Polyimide Film | Adhesive on One Side

To get an instant quote for your custom parts, please select your currency and follow steps 1 to 4.

$
£
€
  • Good Heat Sealability
  • Great Thermal Stability
  • Excellent Chemical Resistance
  • Versatile
  • Adhesive on One Side
View Product Details | Need Help With Ordering? | How To Order Video
Download Datasheet
Checking availability...

Stock sheet size: 33.1cm x 100cm

Tell us what to manufacture and give us your delivery date

You are asking us to manufacture a custom shape. Enter your values below

Uploading a .pdf is required for a custom shape, we also use .pdf to verify dimensions and tolerences of your custom parts

Uploading a .dxf is the preferred file to manufacture your parts

Download here

Download the drawing guide to help you with your pad and gasket design

Enter your delivery address

Item(s) shipping address*

Please ensure your shipping address is entered correctly here. Your order may be cancelled if an incorrect country has been entered. See our terms and conditions for more information.

Order Total Discount
£1 - £500 N/A
£501 - £1000 1% discount
£1001 - £2500 2% discount
£2501 - £5000 3% discount
£5001 - £10000 4% discount
£10001 - £25000 5% discount
£25001 - £50000 7.5% discount
£50001+ 10% discount
SKU: 94349 Categories: , , Tags: , , , , , , Brand:

Description

Kapton® 300FN929 is a premium-grade, heat-sealable polyimide film engineered by DuPont. This versatile material combines the exceptional thermal, electrical, and mechanical properties of Kapton® HN with the advanced capabilities of FEP fluorocarbon resin. Its unique three-layer construction—comprising a Kapton® HN core sandwiched between two FEP layers—makes it ideal for demanding industrial and aerospace applications.

This high-performance film delivers consistent results for advanced engineering needs, making Kapton® 300FN929 the top choice for applications requiring heat sealing, chemical resistance, and reliability under extreme conditions.

A1 = Adhesive on One Side

Kapton 0.0762mm
Kapton, 0.0762mm
Kapton A1
Kapton, A1
Kapton 300FN929 A1
Kapton 300FN929 – A1 – 0.0762mm | DuPont
Kapton® 300FN929 – A1 – 0.0762mm, Kapton 300FN929 – A1 – 0.0762mm, Kapton 300FN929 – A1 – 0.0762mm | DuPont, Kapton, kapton, 300FN929, A1, 0.0762mm, Kapton® 300FN929 – A1 – 0.0762mm | DuPont™, 0.0762mm, polyimide, film

Benefits

  • Heat Sealability: The FEP layers enable easy bonding and sealing for precision assemblies.
  • Thermal Stability: Performs reliably across a broad temperature range, maintaining dimensional and physical integrity.
  • Chemical Resistance: Withstands exposure to harsh chemicals, ensuring long-term performance in challenging environments.
  • Versatility: Offers superior performance for electrical insulation, flexible printed circuits, and high-temperature sealed enclosures.

Features

Recommended Uses

  • Kapton® 300FN929 is widely used in electrical insulation for motors and transformers, flexible printed circuits, and heat-sealed enclosures in aerospace, electronics, and industrial sectors.

Table 1 – DuPont™ Kapton® FN Polyimide Film Types

Designation FEP mil (µm) HN mil (µm) FEP mil (µm)
120FN616 0.10 (1.5) 1.00 (25.4) 0.10 (2.5)
150FN019 0.50 (12.7) 1.00 (25.4) –
200FN919 0.50 (12.7) 1.00 (25.4) 0.50 (12.7)
200FN011 – 1.00 (25.4) 1.00 (25.4)
250FN029 – 2.00 (50.8) 0.50 (12.7)
300FN021 – 2.00 (50.8) 1.00 (25.4)
300FN929 0.50 (12.7) 2.00 (50.8) 0.50 (12.7)
400FN022 – 2.00 (50.8) 2.00 (50.8)
500FN131 1.00 (25.4) 3.00 (76.2) 1.00 (25.4)

Table 2 – Mechanical Properties of DuPont™ Kapton® HN polyimide film

Property 0.50<br>(12.7)* 1.00<br>(25.4)* 2.00<br>(50.8)* 3.00<br>(76.2)* 5.00<br>(127)* Method
Tensile Strength, psi (MPa)<br> at
23°C (73°F). Machine Direction<br>
(MD) and Transverse<br>
Direction (TD), min.		 20,000<br>
(138)		 24,000<br>
(165)		 24,000<br>
(165)		 24,000<br>
(165)		 24,000<br>
(165)		 ASTM D-882-91, Method A, using an Instron<br>
Tensite Tester (specimen size: 1/2” x 6” [12.7 mm<br>
x 152 mm]; jaw separation: 4” [102 mm]; jaw<br>
speed: 2”/min [51 mm/min]). Calculate the<br>
average of five specimens based on original<br>
measured thickness.
Elongation, %, MD and TD, min. 35 40 45 50 50 Same as above.
Shrinkage, %, MD and TD at <br>
200°C (392°F), max.		 – 0.3 0.35 0.35 0.35 The percent shrinkage is obtained for either <br>
the MD or TD using the average of three <br>
measurements in either direction before and <br>
after conditioning. Prior to measurement, the <br>
12” x 12” (305 mm x 305 mm) specimen is<br>
conditioned by freely suspending it for 2 hr** <br>
in an oven controlled to 200°C (392°F).
Moisture Absorption, %, max. 4.0 4.0 4.0 4.0 4.0 ASTM D-570-92, using 24-hr immersion at <br>
23°C (73°F). Average of three specimens.

Table 3 – Electrical Properties of DuPont™ Kapton® HN polyimide film

Property 0.50 <br>
(12.7)*		 1.00 <br>
(25.4)*		 2.00<br>
(50.8)*		 3.00<br>
(76.2)*		 5.00<br>
(127)*		 Method
Dielectric Strength, AC V/mil<br>
(kV/mm), min.		 3,000<br>
(118)		 6,000<br>
(236)		 5,000<br>
(197)		 4,500<br>
(177)		 3,000<br>
(118)		 ASTM D-149-97 (Average of ten specimens.) <br>
Flat sheets in air placed between 1/4” (6 mm) <br>
diameter brass electrodes with 1/32” (0.8 <br>
mm) edge radius subjected to 60 cycles AC <br>
voltage at 500 V/sec rate of rise to the<br>
breakdown voltage.
Volume Resistivity, ohm-cm at<br>
200°C (392°F), min.		 10<sup>12</sup> 10<sup>12</sup> 10<sup>12</sup> 10<sup>12</sup> 10<sup>12</sup> ASTM D-257-93
Dielectric Constant at 1 kHz, max. 3.4 3.4 3.4 3.5 3.5 ASTM D-150-94. Use conducting silver paint<br>
electrodes, two-terminal system of<br>
measurement at standard conditions. Results<br>
are based on an average of five tests using<br>
measured thickness of specimens.
Dissipation Factor at 1 kHz, max. 0.0050 0.0036 0.0036 0.0036 0.0036 Same as above.

Table 4 – Dielectric Strength of DuPont™ Kapton® FN polyimide film

Gauge Construction Minimum Breakdown V/mil (kV/mm)
120FN616 4,200 (165)
150FN019 3,700 (146)
200FN919 3,200 (126)
200FN011 3,200 (126)
250FN029 2,750 (108)
300FN021 2,700 (106)
300FN929 2,700 (106)
400FN022 2,200 (87)
500FN131 2,200 (87)

Table 5 – Shrinkage of DuPont™ Kapton® HPP-ST polyimide film

Property 0.50 (12.7)<br>mil (µm) 1.00 (25.4)<br>mil (µm) 2.00 (50.8)<br>mil (µm) 3.00 (76.2)<br>mil (µm) 5.00 (127)<br>mil (µm)
Shrinkage, %, MD and TD at 200°C (392°F), max. 0.10 0.10 0.10 0.10 0.10

Kapton FN Datasheet





    Materials Direct

    Precision cut technical materials fast. We’re available to assist you for your next project

    A division of Universal Science UK
    www.universal-science.com

    Related products