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Cirlex® polyimide sheet

 

CIRLEX® has been developed by DuPont to provide industry with a wider variety of thicknesses of polyimide sheet, above the availability of Kapton® film. CIRLEX® has the same excellent balance of physical, chemical, and electrical properties over a wide temperature range as inherent in Kapton® films.

CIRLEX® is offered in thicknesses from 0.015mm (0.006”) to 4.0mm (0.157”). Thicker constructions are possible. CIRLEX® can be modified by laser cutting, drilling, machining, stamping, shearing and chemical etching to very exact tolerances.

 
Applications
  • PCB stencils
  • Loudspeaker components
  • Metal clad, thick polyimide materials
  • Slot insulation
  • High-density electronic connectors
  • High-temperature mechanical seals
Availability

CIRLEX® is available in standard sheet. Stock sizes are nominal 597mm x 597mm or 298mm x 298mm. Katco will also provide sheet cut to customers' preferred dimensions.

ID_1348_website_katco_cirlex-component-parts.jpg

Cirlex® Component Parts

CIRLEX® stock thicknesses available from Katco - Sheet size 597mm x 597mm

 
mm
inches
mm
inches




0.15 0.006 0.61 0.024
0.18 0.007 0.74 0.029
0.20 0.008 0.99 0.039
0.23 0.009 1.50 0.059
0.25 0.010 2.01 0.079
0.30 0.012 2.51 0.099
0.36 0.014 2.97 0.117
0.41 0.016 3.99 0.157
0.51 0.020 5.00 0.197

Typical Properties of CIRLEX® at 23°C and 200°C

 

0.010" 0.012" 0.015" 0.030" 0.050"
0.23 mm 0.30 mm 0.38 mm 0.76 mm 1.27 mm







Yield Point at 3%

23°C
200°C

6112
5490

6500
EL*

7836
EL

7097
EL

6113
EL








Stress at 5 % Elong. (PSI)

23 °C
200 °C

10360
8339

10800
EL

11230
EL

10370
EL

9413
EL








ensile (PSI)

23 °C
200 °C

32490
32490

34000
EL

11230
EL

10370
EL

9413
EL








Elongation (%)

23 °C
200 °C

65
85

64
EL

63
EL

57
EL

56
EL








Modulus (KPSI)

23 °C
200 °C

330
239

332
EL

334
EL

274
EL

264
EL








Density (G/cc or G/ml) 1.42 1.42 1.42 1.42 1.42







Specific Heat (J/g K) 1.09 1.09 1.09 1.09 1.09







CTE (ppm/°C) 20 PPM 20 PPM 20 PPM 20 PPM 20 PPM







Tg (°C) ~351°C ~351°C ~351°C ~351°C ~351°C







Dimensional Stability 250 °C

MD
XD

0.13
0.07

0.09
0.07

0.07
0.07

0.27
0.27

0.20
0.40








Dielectric Strength V/mil 2790 2000 1940 1270 Arc Over







Dielectric Constant KHz

25 °C
D

3.45 3.55 3.58 3.74 3.72







Dissipation Factor 0.0021 0.0020 0.0018 0.0023 0.0026







Moisture Absorption % Max 4 4 4 4 4







Thermal Conductivity W/m K 0.17 0.17 0.17 0.17 0.17







UL Rating UL 96VO UL 96VO UL 96VO UL 96VO UL 96VO







* EL - material exceed test limits of equipment

Email: info.uk (at) lohmann-tapes.com

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Fax: +44 01908 300969

 

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