ČSN EN 4708-204

Detail information

Designation: ČSN EN 4708-204

Publication date: 01/06/2024

Pages: 16

Country: Czech technical standard

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Anotation

This document specifies the required characteristics for heat-shrinkable limited fire hazard identification sleeves for use in aircraft electrical systems at operating temperatures between -40 °C and 105 °C.
This document is only applicable for the characterization of identification sleeves. This sleeving is flexible, flame retarded and emits minimum smoke, gases and corrosive by-products when exposed to fire. This sleeving is only applicable for use in areas where smoke, gases or corrosive by-products would constitute a particular hazard.
It is available with a shrink ratio of 2 : 1.
The product is normally supplied with internal diameters up to 51 mm.
The standard colours are white or yellow.
Sizes or colours other than those specifically listed in this document can be available. These items are considered to comply with this document if they comply with the property requirements listed in Table 2 and Table 3, except for dimensions and mass.
As the sleeving to be tested is a printed article, the complete system is to be recorded as part of the evaluation. The sleeve will only be considered as meeting the requirements of this document if printed with the printer, ribbon, inks and settings referenced within the test report.
Mark adherence and print permanence are determined in this specification using method EN 6059-407