1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2008 02 29 N-STATUS ESB-M4D353-A3 made N-Status, no replacement named G. Kowalski 2006 05 02 N-STATUS ESB-M4D353-A1 replaced by WSK-M4D704-A2; ESB-M4D353A2/A4 replaced by WSK-M4D704-A1; Inserted 3.0; Deleted 3.4, 3.5 & 4 A. Reaume/M. Masserant
2、 1975 08 12 Released AE1-6000-207 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 4 NYLON (TYPE 6/6), MINERAL FILLED - ESB-M4D353-A1 HIGH IMPACT GRADE NYLON (TYPE 6/6), MINERAL FILLED - ESB-M4D353-A2 HIGH MODULUS GRADE NYLON (TYPE 6), MINERAL/GLASS FILLED ESB-
3、M4D353-A3 EXTERIOR, PAINTED BODY COLOR NYLON (TYPE 6/6), MINERAL FILLED ESB-M4D353-A4 EXTERIOR, PAINTED BODY COLOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are injection molding grade mineral filled nylons with high mechanical and thermal properties, good
4、surface finish, excellent moldability, and dimensional stability. ESB-M4D353-A1 Material offers superior “toughness“, including impact resistance. ESB-M4D353-A2 Material offers superior overall strength, including high rigidity. ESB-M4D353-A3 Material contains 15% glass fiber in addition to 25% mine
5、ral filler, to achieve exceptional creep and warp resistance suitable for exterior body components, painted in body color. ESB-M4D353-A4 Material offers superior surface quality, suitable for exterior body components, painted in body color. ESB-M4D353 Suffix designations correspond to former “type“
6、categorization as follows: ESB-M4D353-A1 Replaces ESB-M4D353-A, Type I ESB-M4D353-A2 Replaces ESB-M4D353-A, Type II Existing drawings specifying ESB-M4D353-A, Types I or II do not require revision to reflect this new suffix classification. 2. APPLICATION The specifications released originally for no
7、n-decorated grades of these resins were released for the corporate buzzer base, and are intended for applications requiring high mechanical and/or thermal properties where dimensional tolerances are critical. The body exterior paintable grades were initially released for quarter panel extensions and
8、 headlamp doors. ENGINEERING MATERIAL SPECIFICATIONESB-M4D353-A1/A2/A3/A4Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 4 NOTICE: This material absorbs and retains moisture. Part design and tolerances must accommodate changes in part dimensions and physical p
9、roperties due to moisture absorption or loss in the service/assembly environment. Information on this material with respect to moisture should be obtained from the responsible PEO Materials Engineering Department. Some information is included in para 5.0, General Information. 3. REQUIREMENTS 3.0 STA
10、NDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). A1 A2 A3 A4 3.1 RESIN 3.1.1 Filler Content, by weight, +/- 2.0% 40 40 40 40 (ASTM D2584) 3.1.2 Moisture Content,%, max 0.2 0
11、.2 0.2 0.2 (ASTM D789) 3.1.3 Melting Point, C 250-260 250-260 210-220 240-260 (FLTM BO 021-02 or ASTM D 789) 3.2 INJECTION MOLDED TEST SPECIMENS (Dry as molded) 3.2.1 Specific Gravity, +/- 0.04 1.48 1.51 1.48 1.48 (ASTM D 792 or ASTM D 1505) 3.2.2 Filler Content, by weight, +/- 2.0% 40 40 40 40 (AST
12、M D2584) 3.2.3 Tensile Strength, psi (MPa), min 12,500 12,000 13,000 11,000 (ASTM D 638, (87) (83) (90) (76) Speed “B“) 3.2.4 Elongation, %, max 10 10 5 15 (ASTM D638) 3.2.5 Flexural Strength, psi (MPa), min - 18,000 22,000 - (ASTM F 790) (125) (152) 3.2.6 Flexural Modulus, psi (GPa), min 700,000 85
13、0,000 1,100,000 700,000 (ASTM D 790) (4.9) (5.9) (7.6) (4.9) ENGINEERING MATERIAL SPECIFICATIONESB-M4D353-A1/A2/A3/A4Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 4 3.2.7 Impact Strength, Izod, ft lb/in (J/m), min (ASTM D256) A1 A2 A3 A4 Notched 0.6 0.3 0.5
14、0.7 (32) (16.1) (27) (38) Unnotched 15.0 4.0 8.0 20.0 (801) (214) (427) (1068) 3.2.8 Deflection Temperature, C, min (ASTM D 648, 264 psi (1820 kPa) Annealed 200 205 - - Unannealed 150 200 200 120 This specification permits the option of determining temperature deflection values with samples either “
15、as received“ (unannealed) or annealed (30 min in oil at 30 C below the melting point. See para. 3.2.9). 3.2.9 Melting Point, C 250-260 250-260 210-220 240-260 (FLTM BO 021-02 or ASTM D 789) 3.3 MOLDED PART (All ESB-M4D353 materials) 3.3.1 Color Natural or as specified on the engineering drawing. 3.3
16、.2 Physical Properties Specific requirements for physical properties of molded parts, when required, shall be specified on the engineering drawing. All critical areas with respect to these properties shall be clearly designated on the engineering drawing. 3.3.3 Flammability, max 4 in (101 mm)/min (F
17、LTM BN 024-02, without the lot sampling plan) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above maximum value. 3.3.4 Decorability Parts fabricated from materials defined by this specification requiring a decorative coating (paint
18、, etc.) must meet the engineering performance specification requirements shown on the drawing. All decorative coating materials must be approved and released for use by the affected product engineering office. 3.3.5 Paintability (ESB-M4D353-A3 & A4) When painted, the finished part shall conform to t
19、he requirements of Engineering Performance Specification ESB-M2P7-B. ENGINEERING MATERIAL SPECIFICATIONESB-M4D353-A1/A2/A3/A4Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 4 5. GENERAL INFORMATION The information given below is provided for clarification and
20、assistance in meeting the requirements of these specifications. 5.1 CLASSIFICATION The generic classification of materials defined by this specification is as follows: ESB-M4D353-A1, A2 & A4 Type 6/6 polyamide ESB-M4D353-A3 Type 6 polyamide Al A2 A3 A4 5.2 MOLD SHRINKAGE, in/in or mm/mm 0.017 0.009
21、0.006 0.017 (ASTM D 955) 5.3 COEFFICIENT OF LINEAR THERMAL 7.2 5.4 3.2 4.9 EXPANSION, 10-5/ C (ASTM D 696) 5.4 DEFLECTION TEMPERATURE, C (ASTM D 648, 66 psi (455 kPa) Annealed 220 240 - - Unannealed 205 220 215 205 Due to high filler contents, high values with exceptionally wide “scatter“ in test re
22、sults occur with this test. 5.5 HARDNESS - ROCKWELL “R“ 115 115 115 115 (ASTM D 785) 5.6 WATER ABSORPTION, %, max 0.8 0.5 0.8 1.0 (ASTM D 570, 24 h immersion) 5.7 APPARENT FLEXURAL STRENGTH, 19,000 - - 13,000 psi (MPa) (131) (90) (ASTM D 790) Flexural specimen may exceed 5% strain in testing. 5.8 APPROVED PRIMERS AND TOPCOATS ESB-M6J127-A/B, Primer - Surfacer, Conductive for fiberglass reinforced nylon plastic. ESB-M50J100-A, Paint - Enamel, Acrylic baking, non-aqueous dispersion (NAD).
