Specification

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1 Specification CLASS: ELASTOMERS CLASS NO.: 26 NITRILE-BUTADIENE-RUBBER (NBR) JED 7080M PREVIOUS EDITION ABBREVIATED TITLE NBR, 70 IRHD, -40/-45 0 C Scope The specification deals with an elastomer for the manufacture of seals for static and dynamic application.there are three types: JED-7080M0 in the temperature range to C; JED-7080M1 in the temperature range to C; JED-7080M3 JED-7080M4 JED-7080M5 in the temperature range to C, for special applications, like large volume parts with oil contact, without greasing only; with reduced compression set and lower oil swelling, in the temperature range to C. with reduced abrasion, compression set and lower oil swelling, in the temperature range to C. in the temperature range to C to + 85 C with reduced compression set and lower oil swelling; in the temperature range to C; with higher compression set and higher oil swelling for after market application. If JED-7080M is indicated in the drawing, JED-7080M0 shall be applied. 2 General requirements The finished parts shall be homogeneous and free from pores, blisters, and other defects. The parts must not show any defects such as cracks, voids etc. within their structure. The requirements for finished parts can be taken from the drawing, the special part specification and the technical conditions of delivery JED-220 established by WABCO. All materials, even ingredients in small quantities (e.g. cadmium, CFC), which are detrimental to health or to the inviroment are banned from being used. 3 Thermal range of application for the elastomer parts Continuous operational temperature range: JED-7080M0, 1, 3, 4 and 6: -40 C to +80 C JED-7080M1: -45 C to +80 C JED-7080M5: -45 C to +85 C Short-term exposure to heat: 1 h at +110 C Storage temperatures according to ISO Compiler Approved Product Group: 4961 Continuation Page 2 to 6 Katarzyna Śpiewak JED.dot Template version 03 Hans Voß Doc. Code Language Rev en - L

2 JED-7080M : Page 2 4 Physical properties The nominal values given on the following sheets are to be determined according to the test methods specified. 5 Marking The sheet samples must be provided with a permanent marking (designation of the manufacturer and compound as well as the date of manufacture). 6 Initial sampling At new presentation of a material according to this specification, its technical data must be indicated (range and mean values according to ISO 2602). Moreover, 4 sheet samples 2 ± 0,2 x 200 x 200 mm 1 sheet samples 6 ± 0,2 x 60 x 80 mm 5 vulcanized test pieces large type according to ISO 815 have to be made available. The supplier guarantees the customer the indicated technical data for all deliveries according to this specification. 7 Release of a material After positive result of the sheet sample inspection, finished parts are ordered extra for the validation tests (life tests). The release which only refers to the respective parts family is made in case of positive result of these tests. Any modification of the compound, of its ingredients or of the manufacturing process parameters of material or finished parts no matter of which kind or for which reason is only permissible after previous release by the department which is responsible for the technical design. 8 Conditions of delivery The material;and the finished parts must correspond to the technical conditions of delivery specified in JED-220.

3 JED-7080M : Page 3 Serial No. Properties Test method Nominal values Unit Colour BLACK *) 1 Elastomer classification acc. to ISO 1629Identification by infrared spectrum 2 International rubber hardness degree Micro test 3 Tensile strength Dump-bell test piece; type 2 4 Elongation at break Dumb-bell test piece; type 2 5 Modulus at 100 % elongation JED-7080M0 to JED-7080M3, M4, M5 6 Tear resistance method B; procedure (b) 7 Rebound resilience Schob-pendulum ISO 4650 NBR ISO ± 5 IRHD ISO 37 > 10 N/mm² ISO 37 > 200 % ISO 37 > 2,5 > 4 > 1,5 N/mm² N/mm² N/mm² N/mm ISO 34 > 6 ISO 4662 % 8 Density ISO 2781 ± 0,02 g/cm³ 9 Determination of ash ISO 247 % 10 Resistance to low temperatures 10.1* *) 10.2* *) Glass Transition Temperature T G by Thermomechanical analysis (TMA) ordifferential Scanning Calorimetry (DSC)JED-7080M0, M2, M3, M4, M6 JED-7080M1, M5 IEC method B ISO < -40 < -45 Relation of hardness to temperature JED-217 see pt. 16, page 5 11 Resistance to ozone ISO pphm ozone; 30 C 20 % elongation procedure B >8***) h pphm ozone; 30 C 20 % elongation procedure B h 12 Compression set; test piece: large type 24h; 100 C JED-7080M0 to JED-7080M3, M4, M Compression set; test piece: small type 24h; 100 C 13 Abrasion JED-7080M0, M1, M2, M3, M5 JED-7080M4 *) Preferably, other colours on agreement ** ) Alternatively ***) For bonded parts this requirement does not apply ISO Method A ISO Method A ISO 4649; method A < 25 < to 30 C % % % < 25 % <140***) <100 >150 mm³

4 JED-7080M : Page 4 14 Hardness Tensile strength Elongation at break Volume IRHD % % % Change in physical properties after ageing by heating in air 70 h; 100 C; ISO to to h; 100 C; ISO to to Change in physical properties after ageing by heating in air 500 h; 85 C; ISO 188 JED-7080M5 0 to to 0 15 Change in physical properties after immersion in chemicals; ISO 1817, gravimetric method 15.1 Oil No h; 100 C JED-7080M0, M1, M3, M4, M5, M6 168 h; 100 C JED-7080M0, M1, M3, M4, M5, M Oil IRM 2 70h; 100 C 15.3 Oil IRM 3 70 h; 100 C JED-7080M0, M1 JED-7080M3, M4, M5 168 h; 100 C JED-7080M0, M1, M3, M4, M Distilled water 70 h; 100 C to -20 to to 0-15 to 0-10 to 0-15 to to+30 0 to to+24 0 to to+30 0 to +10 ±5-20 ± h; 100 C ±5 ±10 Denatured ethyl alcohol ( 94 Vol. % ethyl alcohol) 70 h; 70 C JED-7080M0 to M5 168 h; 70 C JED-7080M0 to M Grease acc. to JED-003M0 70 h; 100 C JED-7080M0, M1, M5 JED-7080M3, M4 168 h; 100 C JED-7080M0, M1, M3, M4, M5-5 to to +5-5 to to +5 ±3-3 to +7 ±5 ±10 ±4-3 to to to to +5-8 to +5 0 to +5-8 to to +5-8 to +5

5 JED-7080M : Page 5 16 Hardness test according to specification JED-217

6 JED-7080M : Page 6 9 Document Versions Revision Date Changes Initial version A Test requirements added B Ozone test redquirement removed C Requirements for Modulus, Tear resistance, Ozone and Abrasion added, requirement for grease compatibility changed D Type JED-7080M1 added E Type added F Ageing requirements for test duration 168 hours added G Type JED-7080M3 added H Type JED-7080M4 added J Type JED-7080M5 added K Type added L Requirements for Modulus and swelling in Ethanol for changed

Specification ALLOYED STEEL FOR QUENCHING AND TEMPERING, HIGH STRENGTH All.steel f.quen.a.temp, h.str.

Specification ALLOYED STEEL FOR QUENCHING AND TEMPERING, HIGH STRENGTH All.steel f.quen.a.temp, h.str. Class: Heat-treatable steel Specification 16-09 ALLOYED STEEL FOR QUENCHING AND TEMPERING, HIGH STRENGTH Class No.:11 JED 723 Previous Edition Abbreviated Title 15-07 All.steel f.quen.a.temp, h.str. 8