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PRONAT Electronics
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PRONAT Aerospace
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PRONAT Medical
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Production Capabilities

Cirlex® Polyimide Sheet
Cirlex® polyimide technology has been developed by DuPont to provide industry with a variety of thick polyimide sheets. Cirlex®, is an all polyimide, adhesive-less laminate. Cirlex® can operate routinely in a temperature range from cryogenic to a maximum of 400°C. It also exhibits excellent physical, dielectric and mechanical properties similar to that of Kapton® film.
Cirlex® polyimide technology has been developed by DuPont to provide industry with a variety of thick polyimide sheets above the availability of Kapton® film. Cirlex® is an all polyimide, adhesive-less laminate. Cirlex® can operate routinely in a temperature range from cryogenic to a maximum of 400°C. It also exhibits excellent physical, dielectric and mechanical properties similar to that of Kapton® HN film
Cirlex® can be subjected to laser cutting, drilling, machining, stamping, shearing and chemical etching.
Applications:
- PCB stencils
- Loudspeaker components
- Metal clad, thick polyimide materials
- Slot insulation
- High-density electronic connectors
- High-temperature mechanical seals
Availability:
Pronat offers machined parts produced to your drawing.
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- Cirlex machined parts
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- Cirlex machined parts

Cirlex can be laminated to copper or aluminium foil and cut to required shape