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UNIQUE FEATURES
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HYFRAL absorbers are tested in-factory during the various manufacturing processes to ensure the best quality is delivered to our customers. Their reflectivity performances are tested in our in-house laboratories:
- 30 MHz – 2 GHz: Coaxial line for S11 measurement in the time domain
- 2 GHz – 40 GHz: Full Anechoic Chamber for S21 measurement
in the time domain.
Our absorbers are compliant with the main international standards regarding fire retardant properties:
Tests are conducted during absorber manufacture as well as during R&D processes to optimize the quality of our products.NF P 92 501
NRL 8093 tests 1 2 & 3
DIN 4102 class B2
ISO 11925-2 Euroclass E
UL94 HBF
ISO 4589-2
Siepel has developed a specific plastic paint unique worldwide which combines the advantage of retaining absorber performance and enhancing the usual features for easier everyday use :
- Several colours available:
Possibility to design a custom logo - Better mechanical resistance
- Better retention of the carbon inside the absorber (no carbon dust)
- Longer lifetime:
Performances guaranteed up to 20 years - Improved brightness for more comfortable working environments.
- Several colours available:
HYFRAL™ © 1992 - 2010
trademark by SIEPEL
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