DIN EN 3826:2015 pdf free.Aerospace series -Fluorosilicone rubber (FVMQ) -Hardness 70 IRHD;German and English version EN 3826:2014
1 Scope
This European Standard specifies the properties of fluorosilicone rubber (FVMQ), hardness 70 IRHD, for aerospace applications.
2 Normative references
The following documents， in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1629, Rubber and latices – Nomenclature.
ISO 1817, Rubber, vulcanized – Determination of the effect of liquids.
EN 3207, Aerospace series一Rubber compounds一- Technical specification.
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
In contact with petroleum based fluids, aviation fuels, hydraulic fluids, lubricants, greases, silicone oil and some ester based fluids (not phosphate esters).
3.3 Temperature range
Continuous service: from – 55 °C to 180 °C;  Intermittent service: from- 55 °C to 200 °C.
4 Properties
See Table 1 and Table 2. For qualification, all tests shall be performed. For batch acceptance, those identified “*” shall be performed.
DIN EN 3826 pdf download.