BS EN 2566:2019 pdf download.Aerospace series – Fluorocarbon rubber (FKM) – Hardness 70 IRHD.
This document specifies the properties of fluorocarbon rubber (FKM) 1), hardness 70 IRHD, for aerospace applications.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 3207, Aerospace series — Rubber compounds — Technical specification ISO 1629, Rubber and latices — Nomenclature
ISO 1817, Rubber, vulcanized — Determination of the effect of liquids 3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/ohp
4 Application of the material
4.1 General
The suitability of the material for a specific application shall be determined by complementary tests carried out on the finished product as the properties specified in this standard are obtained from standard test specimens.
4.2 Typical use
Application requiring resistance to air, hydrocarbon and synthetic oil, and fuels at elevated temperature.
4.3 Temperature range
Continuous service: from —20 °C to 225 °C;
— Intermittent service: from —20 °C to 250 °C.
5 Properties
See Table 1 and Table 2.
For qualification, all tests shall be performed.
For batch acceptance, those identified “*“ shall be performed.BS EN 2566 pdf free download.