1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 12 N-STATUS Use industry standard. No Replacement Named C. Mracna, NA 2004 06 28 Revised Para 3.0 inserted; para 3.2 & 4 deleted 1966 04 25 Released AU2-363 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC
2、Page 1 of 2 RUBBER BOOT, SEVERE COLD SERVICE ESA-M2D110-B NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a synthetic rubber, adaptable to severe cold service conditions. 2. APPLICATION This specification was released originally for material used for boot seal ma
3、terial. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producer must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 SLAB STOCK (ASTM D 3182) 3.1.1 Original Properties Tensile Strength, min 2000 psi (ASTM D
4、412) (13.8 MPa) Elongation, min 350% (ASTM D 412) Hardness, Durometer “A“ 50 - 60 (ASTM D 2240) Tear Strength, min 160 lb/in (ASTM D 624, Die B, 23 +/- 2 C) (28 kN/m) 3.1.2 Immersion in ASTM Oil No. 1 (ASTM D 471, 70 h at 102 +/- 3 C) Tensile Strength Change, max -15% Elongation Change, max -25% Vol
5、ume Change, max +10% Hardness, Durometer “A“ Change, max -5 180 Bend Test No cracks (Bend completely flat against itself) permitted ENGINEERING MATERIAL SPECIFICATIONESA-M2D110-B Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.1.3 Immersion in ASTM Oil No.
6、 3 (ASTM D 471, 70 h at 102 +/- 3 C) Tensile Strength Change, max -68% Elongation Change, max -60% Volume Change, max +100% Hardness, Durometer “A“ Change, max -25 180 Bend Test No cracks (Bend completely flat against itself) permitted 3.1.4 Heat Aged (ASTM D 865, 70 h at 102 +/- 3 C) Tensile Streng
7、th Change, max -15% Elongation Change, max -25% Hardness, Durometer “A“ Change, max +10 Tear Strength, min 160 lb/in (28 kN/m) 180 Bend Test No cracks (Bend completely flat against itself) permitted 3.1.5 Low Temperature Brittleness Test No cracks (ASTM D 746, Methyl Alcohol bath) permitted - all te
8、sts Preconditioned as follows: Test Temperature . Normal (as received) -54 C . Immerse samples in ASTM No. 1 Oil at 102 +/- 3 C, 70 h -37 C . Age in Ozone per para 3.1.6 -46 C . Age in Air at 102 +/- 3 C for 70 h -46 C 3.1.6 Ozone Rating, Cycling Test (Slab Stock) Bent Flat Sample Ozone Rating 1 Sample Wrapped on 1/4 in (6.4 mm) Mandrel Ozone Rating 0 Test Method: Subject samples to the following cycle: . 70 h in 50 pphm ozone at 38 C (ASTM D 1171) . 70 h in air at 102 +/- 3 C . 70 h in 50 pphm ozone at 38 C Rate per FLTM BP 101-01
