Shin-Etsu Sepla Film® is a super engineering plastic film . It is a non-stretched film made of PEEK, a super engineering plastic. It is available as either a thick or thin film.
[Industrial field]
Smartphone, Home electric appliances, Automotive Industry, Electrical Products, Medical, Aviation, Pipeline, Semiconductor Materials, Agriculture
Performance
It features excellent heat tolerance, sliding properties, and chemical resistance. Its advantages also include its low water absorbing property and low dielectric constant.
[Applications]
- Diaphragm for speakers and receivers
- Material for circuit substrates in high-frequency 5G devices
- Material for substrates in high-frequency 5G base stations
- Impregnation for CFRTP
- Material for copper wire coverings
- Motor insulation
- Exterior material for batteries
- Material for medical equipment components
- Semiconductor process cover films
- Covering material for heaters
Characteristics
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Melting point: 343℃; glass transition point: 143℃
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Stable up to 500℃ or the carbonization point
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Chemical resistance
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Melt processibility
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No toxic gas generated even under burning
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Low water absorbing property (0.05%)
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Low dielectric constant 3.0 Dielectric tangent 0.003 (1GHz)
Specifications
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Non-extend film of amorphous plastics (3-50 μm)
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Non-extend and high crystallized film of crystallized plastics (6-250 μm)
Shin-Etsu Sepla Film® is a non-stretched film, with a thickness tolerance of ±5％
6inch Core（Resin-impregnated paper core）
Width 650mm
Product length depends on thickness.
Dimensions and specifications
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Physical properties Table
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