SIST EN 2838:2014

Aerospace series - Chloroprene rubber (CR) - Heat resistance - Hardness 70 IRHD

This European Standard specifies the properties of chloroprene rubber (CR)  ) heat resistant, hardness 70 IRHD, for aerospace applications.

Luft- und Raumfahrt - Chloropren-Elastomer (CR) - Wärmebeständig - Härte 70 IRHD

Diese Norm legt Eigenschaften von Chloropren-Elastomer (CR) ), wärmebeständig, Härte 70 IRHD, zur Anwendung in der Luft- und Raumfahrt fest.

Série aérospatiale - Élastomère chloroprène (CR) - Résistant à la chaleur - Dureté 70 IRHD

La présente Norme européenne spécifie les caractéristiques de l‘élastomère chloroprène (CR)  ) résistant à la chaleur, dureté 70 DIDC, pour les applications aérospatiales.

Aeronavtika - Kloroprenska guma - Toplotno odporna - Trdota 70 IRHD

General Information

• Status: Published
• Publication Date: 12-Jan-2014
• ICS: 49.025.40 - Rubber and plastics
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 03-Jan-2014
• Due Date: 10-Mar-2014
• Completion Date: 13-Jan-2014
• Ref Project: EN 2838:2013 - Aerospace series - Chloroprene rubber (CR) - Heat resistance - Hardness 70 IRHD

Relations

• Refers: SIST EN 3207:2001 - Aerospace series - Rubber compounds - Technical specification
• Effective Date: 28-Jan-2026
• Refers: SIST EN ISO 15681-2:2005 - Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2003)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 8253-3:2012 - Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 13691:2004 - Petroleum and natural gas industries - High-speed special-purpose gear units (ISO 13691:2001)
• Effective Date: 28-Jan-2026

Overview

SIST EN 2838:2014 specifies the technical requirements and properties for chloroprene rubber (CR) with a heat resistance and hardness rating of 70 IRHD, designed for aerospace applications. Developed under the guidance of the European Committee for Standardization (CEN), this standard provides a framework for the consistent use, testing, and quality control of chloroprene rubber components used in demanding aeronautical environments.

The standard is critical for ensuring reliable performance in aerospace parts exposed to varying temperatures, atmospheric ageing, and moderate exposure to fuels and lubricants. It establishes benchmarks for material testing and acceptance, enabling manufacturers to supply rubber components that meet stringent industry requirements.

Key Topics

• Material Specification: Defines heat-resistant chloroprene rubber with a hardness of 70 IRHD, ensuring uniformity in production and application.
• Temperature Range: Specifies operating temperature ranges of −40 °C to +120 °C for continuous service, and up to +150 °C for intermittent use.
• Test Methods: Outlines required tests for hardness, density, tensile strength, elongation at break, low temperature performance, ozone and corrosion resistance, and compression set (with detailed batch and qualification testing requirements).
• Quality Assurance: Details mandatory tests for qualification and batch acceptance, supporting traceability and consistent product quality.
• Application Guidance: Recommends typical use cases where resistance to atmospheric ageing, ozone, moderate petroleum products, and lubricants is essential.

Applications

The benefits of compliance with SIST EN 2838:2014 are realized throughout the aerospace sector:

• Seals and Gaskets: Used in critical locations that demand resistance to heat, ozone, and limited petroleum exposure. Examples include door seals, window gaskets, and engine bay components.
• Vibration Dampers: Employed in assemblies where temperature stability and material integrity are required under variable thermal and mechanical stress.
• O-Rings and Bushings: Ideal for parts operating in fluctuating thermal environments or where exposure to aviation fluids occurs.
• Protective Covers and Linings: Applied where long-term durability against weathering, ozone, and aging is crucial for safety and maintenance efficiency.

By observing the standard, aerospace suppliers and OEMs ensure high performance, safety, and regulatory alignment for critical elastomeric parts.

Related Standards

For comprehensive compliance and material selection, refer to these related standards frequently cited alongside SIST EN 2838:2014:

• EN 3207: Aerospace series - Rubber compounds - Technical specification; referenced for detailed technical procedures and material definitions.
• ISO 1629: Rubber and latices - Nomenclature; provides international consistency in rubber material identification.
• ISO 1817: Rubber, vulcanized or thermoplastic - Determination of the effect of liquids; covers required test methods for evaluating chemical compatibility and performance.

Organizations working in aerospace rubber materials should integrate this standard with the above references to ensure complete, certified systems.

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By standardizing the requirements for chloroprene rubber (CR) with heat resistance and specified hardness, SIST EN 2838:2014 provides essential support for safety, functionality, and reliability in aerospace rubber components. Compliance optimizes material performance and ensures seamless integration and maintenance within the demanding aerospace environment.

Standards Content (Sample)

SLOVENSKI STANDARD
01-februar-2014
Aeronavtika - Kloroprenska guma - Toplotno odporna - Trdota 70 IRHD
Aerospace series - Chloroprene rubber (CR) - Heat resistance - Hardness 70 IRHD
Luft- und Raumfahrt - Chloropren-Elastomer (CR) - Wärmebeständig - Härte 70 IRHD
Série aérospatiale - Élastomère chloroprène (CR) - Résistant à la chaleur - Dureté 70
IRHD
Ta slovenski standard je istoveten z: EN 2838:2013
ICS:
49.025.40 Guma in polimerni materiali Rubber and plastics
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 2838
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2013
ICS 49.025.40
English Version
Aerospace series - Chloroprene rubber (CR) - Heat resistance -
Hardness 70 IRHD
Série aérospatiale - Élastomère chloroprène (CR) - Luft- und Raumfahrt - Chloropren-Elastomer (CR) -
Résistant à la chaleur - Dureté 70 IRHD Wärmebeständig - Härte 70 IRHD
This European Standard was approved by CEN on 3 November 2012.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2013 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 2838:2013: E
worldwide for CEN national Members.

Contents Page
Foreword . 3
1 Scope . 4
2 Normative references . 4
3 Application of the material . 4
3.1 General . 4
3.2 Typical use . 4
3.3 Temperature range . 4
4 Properties . 4
5 Designation . 6
6 Technical specification . 6

Foreword
This document (EN 2838:2013) has been prepared by the Aerospace and Defence Industries Association of
Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member co
...