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 1967 04 20 Released AV2-308 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC
2、Page 1 of 2 RUBBER, BOOT - SEVERE COLD SERVICE ESA-M2D110-C 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
3、material. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers 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 2,000 psi (AST
4、M D 412) (13.8 MPa) Elongation, min 350 (ASTM D 412) Hardness, Durometer “A“ 50 - 60 (ASTM D 676) Tear Strength, min 150 lb/in (ASTM D 624, Die B, 23 +/- 2 C) (26 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 -30% V
5、olume Change, max +10% Hardness, Durometer Change, max -5 180 Bend Test No cracks (Bend completely flat against itself) permitted 3.1.3 Immersion in ASTM Oil No. 3 (ASTM D 471, 70 h at 102 +/- 3 C) Tensile Strength Change, max -68% ENGINEERING MATERIAL SPECIFICATIONESA-M2D110-C Printed copies are un
6、controlled Copyright 2004, Ford Global Technologies, LLC Page 2 of 2 Elongation Change, max -60% Volume Change, max +100% Hardness, Durometer “A“ Change, max -25 180 C 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 C Bend Test No cracks (Bend completely flat against itself) permitted 3.1.5 Cold Temperature Brittleness Test No cracks (ASTM D 746, Procedure “A“, Dow permitted, all Co
8、rning 200 Fluid) tests Preconditioned as follows: Test Temperature . Normal (as received) -51 C . Immerse samples in ASTM No. 1 Oil -37 C at 102 +/- 3 C for 70 h . Age in ozone per para 3.1.6 -40 C . Age in air at 102 +/- 3 C for 70 h -40 C 3.1.6 Ozone Rating, Cycling Test (Slab Stock) Sample wrapped on 1/4 in (6.4 mm) Ozone Rating 0 mandrel 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 3.1.7 Low Temperature Brittleness at -55 C No fracture or cracking
