BS EN 2795:2018 pdf download

BS EN 2795:2018 pdf download

BS EN 2795:2018 pdf download.Aerospace series – Fluorocarbon rubber (FKM]) – Low compressions set – Hardness 50 IRHD
1 Scope
This document specifies the properties of fluorocarbon rubber (FKM)1), low compression set, hardness 50 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一Rubber compounds一Technical specification
ISO 1629, Rubber and latices – Nomenclature
ISO 1817, Rubber, vulcanized – – Determination of the effect of liquids
3 Application of the material
3.1 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.
3.2 Typical use
Application requiring a resistance to air, hydrocarbon and synthetic oils, fuels at elevated temperature and low compression set properties.
3.3 Temperature range
一Continuous service: from – -20 °C to 225 °C;
一 Intermittent service: from -20 °C to 250 °C.
4 Properties
See Table 1 and Table 2.
For qualification, all tests shall be performed.
For batch acceptance, those identified “*” shall be performed.