1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 09 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.12 & 4 1997 02 13 Revised Revised 3.4.2, 3.5.1, 3.6.1, 3.8.4 T. Koch1991 03 01 Released NT00E10077193054 T. KochPrinted copies are uncontrolled Copyright 2004, Ford Global Technologies,
2、 LLC Page 1 of 4 FLUOROELASTOMER (FPM), OIL RESISTANT ROTATING WSP-M2D455-A/A2 SHAFT OIL SEAL 1. SCOPE The material defined by this specification is a fluoroelastomer (FPM) compound having good compression set and tear resistance. 2. APPLICATION This specification was released originally for materia
3、l used for the sealing element of a bonded rubber-to-metal seal used in transmission radial shaft seal applications. The material is capable of withstanding a -40 to 160 C temperature range in a dynamic oil splashed environment. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Mate
4、rial suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 SLAB STOCK 3.4.1 Preparation of Test Specimens All tests are to be performed on specimens die-cut from molded test sheets manufactured from the same material and with e
5、quivalent cure to production parts. The test sheets shall have the following dimensions: 150 x 150 mm, min x 2.0 +/- 0.2 mm A A2 3.4.2 Density, +/- .02 g/cm32.02 1.92 (ISO 1183, Method A/ASTM D 297) 3.4.3 Hardness, International 67 - 75 81 - 89 (ISO 48/ASTM D 1415) 3.4.4 Hardness, Durometer A 72 - 7
6、8 82 - 88 (ISO 868/ASTM D 2240, instantaneous, plied-up specimen. Hand held durometers shall not be used) 3.4.5 Tensile Strength, MPa, min 13.5 8.5 (ISO 37/ASTM D 412, Die C) 3.4.6 Elongation at Break, %, min 220 135 (Test Method according to para 3.4.5) ENGINEERING MATERIAL SPECIFICATIONWSP-M2D455-
7、A/A2Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 4 A A2 3.4.7 Modulus at 100%, MPa, Elongation 6.0 6.0 (Test Method according to para 3.4.5) 3.4.8 Tear Strength, kN/m, min 20 20 (ISO 34, Method B, Procedure A/ ASTM D 624, Die C) 3.4.9 Brittleness Point, /C,
8、 min -17 -10 (ISO 812, Type B specimen/ ASTM D 2137, Method A) 3.4.10 Ozone Resistance, max Rating 0 Rating 0 (FLTM BP 101-01, Procedure A) 3.4.11 Compression Set, %, max 40 40 (ISO 815/ASTM D 395, Method B, except 25% compression, plied-up Type 1 specimens, 168 h at 165 +/- 2 C) 3.5 HEAT AGED (ISO
9、188/ASTM D 573, 150 +/- 50 air changes/h, 168 h at 165 +/- 2 C) 3.5.1 Hardness Change +/- 4 +/- 4 3.5.2 Tensile Strength Change, % 0 to +20 -10 to +20 3.5.3 Elongation Change, % +/- 20 -25 to +15 3.5.4 Visual Evaluation No surface tackiness or cracks when folded flat against itself. 3.6 HEAT AGED (I
10、SO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 165 +/- 2 C) 3.6.1 Hardness Change +/- 4 0 to + 6 3.6.2 Tensile Strength Change, %, max +25 +50 3.6.3 Elongation Change, %, max -25 -50 3.6.4 Visual Evaluation No surface tackiness or cracks when folded flat against itself. ENGINEERING MATERIAL
11、SPECIFICATIONWSP-M2D455-A/A2Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 3 of 4 3.7 IMMERSION IN OIL No. 1 (ISO 1817/ASTM D 471, 168 h at 150 +/- 2 C) A A2 3.7.1 Hardness Change, pts. +/- 4 +/- 4 3.7.2 Tensile Strength Change, % -5 to +20 -25 to +10 3.7.3 Elonga
12、tion Change, % 0 to +30 -20 to +15 3.7.4 Volume Change, % -1 to +4 -3 to +3 3.7.5 Visual Evaluation No surface tackiness or cracks when folded flat against itself. 3.8 IMMERSION IN OIL IRM 103 (ISO 1817/ASTM D 471, 168 h at 150 +/- 2 C) 3.8.1 Hardness Change, pts. +/- 4 -6 to +2 3.8.2 Tensile Streng
13、th Change, % -10 to +15 -35 to +5 3.8.3 Elongation Change, % -5 to +25 -15 to +25 3.8.4 Volume Change, % +1 to +4 +1 to +5 3.8.5 Visual Evaluation No surface tackiness or cracks when folded flat against itself. 3.9 IMMERSION IN THREE CURRENTLY APPROVED TRANSMISSION FLUIDS OF AFFECTED MODEL YEAR (ISO
14、 1817/ASTM D 471, 168 h at 150 +/- 2 C, see para 5.1) 3.9.1 Hardness Change, pts. +/- 4 +/- 4 3.9.2 Tensile Strength Change, % 0 to -30 0 to -60 3.9.3 Elongation Change, % 0 to -50 -35 to +15 3.9.4 Volume Change, % 0 to +4 0 to +4 3.9.5 Visual Evaluation No surface tackiness or cracks when folded fl
15、at against itself. ENGINEERING MATERIAL SPECIFICATIONWSP-M2D455-A/A2Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 4 of 4 3.10 IMMERSION IN THREE CURRENTLY APPROVED AUTOMATIC TRANSMISSION FLUIDS OF AFFECTED MODEL YEAR (ISO 1817/ASTM D 471, 1000 h at 150 +/- 2 C, s
16、ee para 5.1) A A2 3.10.1 Hardness Change, pts. -2 to +6 -2 to +6 3.10.2 Tensile Strength Change, %, max -45 -65 3.10.3 Elongation Change, %, max -65 -75 3.10.4 Volume Change, % 0 to +4 0 to +4 3.10.5 Visual Evaluation No surface tackiness or cracks when folded flat against itself. 3.11 IMMERSION IN
17、DISTILLED WATER (ISO 1817/ASTM D 471, 168 h at 100 C (boiling) 3.11.1 Hardness Change, pts 0 to +10 -5 to +10 3.11.2 Tensile Strength Change, % max -20 -20 3.11.3 Elongation Change, %, max +50 +50 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting th
18、e requirements of this specification. 5.1 For information on currently approved service fluids and other materials required for use in this specification contact: Materials Laboratory 15/GM-D01-D Transmission & Axle Engineering Car Engineering Materials & Fasteners Engineering Ford Motor Co. Ltd Ford Motor Company Research & Engineering Centre PO Box 2097 Laindon, Basildon Bin 29B Essex SS15 6EE, England Livonia, MI 48151, USA Materials Engineering Product Engineering Office Ford Motor Co. of Australia Ltd Princes Highway, Norlane Victoria 3214, Australia
