1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 05 10 Activated M. Myers Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 8 UNSATURATED POLYESTER (UP), 35% GLASS FIBER REINFORCED WSS-M3D187-A1 SHEET MOLDING COMPOUND U.V. STABILIZED UNSATURATED POL
2、YESTER (UP), 50% GLASS FIBER REINFORCED WSS-M3D187-A2 SHEET MOLDING COMPOUND U.V. STABILIZED 1. SCOPE The materials defined by these specifications are glass fiber reinforced unsaturated polyester (UP) sheet molding compounds which contain U.V. stabilizers for unpainted low gloss textured exterior a
3、pplications. 2. APPLICATION These specifications were released originally for material used for the pick-up tonneau cover (A1) and the pick-up box inner (A2). 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standar
4、d Requirements For Production Materials (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values using latest ISO test methods. 3.2 MOLDED TEST SPECIMEN 3.2.1 Preparation of Test Specimens All test specimens shall be
5、 prepared from cross-ply molded plaques or equivalent. The plaques are to be manufactured from the same material and under equivalent conditions as production parts. The plaques shall have the following dimensions: 300 x 300 mm, min x 2.5 +/- 0.2 mm Prepared specimens must show no evidence of fiber
6、tear or loose strands protruding from the specimens. No additional annealing of specimens is allowed. A1 A2 3.2.2 Density, g/cm3, range (ISO 1183, Method A) 1.6 1.9 1.6 1.9 (s) 3.2.3 Filler Content, by weight, % max 3.2.3.1 Ash Content (ISO 3451/1, Method A, 1 h at 650 +/- 25 C) 65 65 ENGINEERING MA
7、TERIAL SPECIFICATIONWSS-M3D187-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 8 A1 A2 (s) 3.2.3.2 Glass Fiber Content, % by Weight, range 30 40 45 - 55 Test Method: ISO 3451/1, Method B, 1 h at 650 +/- 25 C, except use 5% by volume hyrdo chloric acid so
8、lution for 15 min. Rinse the glass fibers several times with distilled water before drying in an oven for 2 h at 120 +/- 2 C. After cooling, weigh the crucibles and calculate the percent glass fibers. 3.2.4 Tensile Strength at Break, MPa, min (ISO R 527, 150 min 10 x 2.5 +/- 0.2 mm specimen, 5 mm/mi
9、n test speed) 75 110 3.2.5 Flexural Modulus, GPa, min (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 2 mm/min test speed, 64 mm support span) 5.0 7.5 3.2.6 Flexural Strength, MPa, min (ISO 180, Method A, 63.5 x 12.7 x 2.5 +/- 0.2 mm specimen, 40 mm support span, 2 mm/m
10、inute test speed) 130 145 (s) 3.2.7 Impact Strength, Izod, kJ/m2, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens for each test) 3.2.7.1 At 23 +/- 2 C 50 55 A1 A2 3.2.7.2 At - 40 +/- 1 C 50 70 The test specimen must be conditioned for minimum of 6 ho
11、urs at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. ENGINEERING MATERIAL SPECIFICATIONWSS-M3D187-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Gl
12、obal Technologies, LLC Page 3 of 8 A1 A2 (s) 3.2.8 Heat Deflection Temperature, C, min (ISO 75, 120 x 10 x 2.5 +/- 0.2 mm specimen use center section of vc specimen. At 1.80 MPa) 230 230 (s) 3.2.9 Water Absorption, %, max (ISO 62, Method 1, 24 h exposure, 75 x 25 x 2.5 +/- 0.2 mm specimen) 0.5 0.5 3
13、.2.10 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 160 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.2.10.1 Tensile Strength at Break Change +/- 25% (Test Method per para 3.2.4) 3.2.10.2 Flexural Strength Change
14、 (Test Method per para 3.2.6) 3.2.10.3 Impact Strength, Izod Change +/- 25% (Test Method per para 3.2.7.1, specimens to be notched before heat aging) 3.3 RESISTANCE PROPERTIES 3.3.1 Fluid Spotting Resistance (FLTM BI 113-01) Test Fluids: (Current production factory fill materials, Motorcraft product
15、s or equivalent) Deionized Water Liquid Soap Windshield Washer Solution Neat and 30% concentration in deionized water Coolant solution Neat and 30% concentration in deionized water Motor Oil Bug and Tar Remover No color change in excess of Gray Scale rating of 4 - 5 (AATCC Evaluation Procedure 1/ISO
16、 105-A02), surface distortion or permanent softening permitted. There shall be a minimum of 85% gloss retention as tested in para. 3.3.2 per FLTM BI 110-01. ENGINEERING MATERIAL SPECIFICATIONWSS-M3D187-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 4 of 8 3.
17、3.2 Resistance to Acid Spotting (FLTM BI 113-02) No color change in excess of Gray Scale rating of 4 - 5 (AATCC Evaluation Procedure 1/ISO 105-A02), surface distortion or permanent softening permitted. There shall be a minimum of 85% gloss retention as tested in para. 3.3.2 per FLTM BI 110-01. 3.3.3
18、 Fuel Resistance (FLTM BO 101-05) Fuel Composition (FLTM AZ 105-01) By Volume: 1) CM15 2) CM15(ME15) 3) Diesel After 5 minutes recovery time, no color change in excess of Gray Scale rating 4 5 (AATCC Evaluation Procedure 1/ISO 105-A02), dulling, surface distortion or permanent softening permitted. 3
19、.3.4 Resistance to Cleaning Agents (FLTM BN 107-01, cotton tipped 16 +/- 0.1 mm diameter cylinder, 9 +/- 0.1 N force, 23 +/- 2 C) The cotton tip shall be saturated with the following cleaning agents: Dry Deionized Water Ammoniated Glass Cleaner 1:1 Isopropyl Alcohol: Water Ford All Purpose Cleaner (
20、current release) Armor-All Rub a 100 +/- 1 mm length of the test surface with 10 double (forward and back) rubs. No color change in excess of Gray Scale rating of 4 - 5 (AATCC Evaluation Procedure 1/ ISO 105-A02), dulling (90% gloss retention per FLTM BI 110-01), surface distortion or permanent soft
21、ening permitted. 3.4 SCRATCH RESISTANCE (FLTM BN 108-13, 1.0 +/- 0.1 mm steel ball at 7.0 N, 6.0 N, 4.5 N, 3.0 N and 2.0 N) Rating 2 maximum required at all loads (Slightly visible scratch) 3.5 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material appr
22、oval is 355 x 100 x 2.5 +/- 0.1 mm (use specimen C) with a smooth surface. ENGINEERING MATERIAL SPECIFICATIONWSS-M3D187-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 5 of 8 3.6 WEATHERING RESISTANCE After exposure in accordance with 3.9.1, 3.9.2, and 3.9.3,
23、 the material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved
24、by washing and/or polishing with Ford car polish (auto wax) after the outdoor exposure, at permission of the affected Product Development Materials Activity. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida and Arizona exposure results for final approval
25、. 3.6.1 Xenon Arc Weatherometer Rating 4 (SAE J1960 modified Type “S“ with at least borosilicate inner and outer filters, 75% gloss 0.55 W/m2radiant exposure retention 3000 h exposure, specimen size: 60 x 60 x 2.0 +/- 0.1 mm thick, smooth surface, low gloss compression molded specimen) 3.6.2 12 mont
26、hs Florida Rating 4 12 months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface, low gloss compression molded specimen) 3.6.3 24 months Florida Rating 3 - 4 24 months Arizona (SAE J1976, 5 south, direct weathering inland, spec
27、imen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface, low gloss compression molded specimen) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION, r
28、ange, E-5/C (ISO 11359-2 TMA, temperature range +30 to -30 C) A1 A2 1.6 3.3 1.4 2.5 ENGINEERING MATERIAL SPECIFICATIONWSS-M3D187-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 6 of 8 4.2 MOLD SHRINKAGE (ISO 294-3 and 294-4, 60 x 60 x 2.0 +/- 0.1 mm compressi
29、on molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.00 0.15% 4.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.00 0.25% . After 30 minutes at 120 C 0.00 0.15% NOTE: Report both the flow and cross-flow direction. 4.3 MATERIAL IDENTIFICATION F
30、OR RECYCLING PURPOSES UP (GF+M) 80 4.4 SHEAR MODULUS AT 23 C, RANGE, GPA (ASTM D 5279, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A. Specimen length between clamps 35 - 40 mm. Soak time
31、at each temperature interval - 3 minutes minimum) A1 A2 3300 5500 2900 4800 4.5 TENSILE STRESS/STRAIN CURVES (ISO 527-1, 527-2, ISO 11403-1; 150 x 1 x 4 mm specimen specimen A. Test speed shall be 5 mm/minute for all materials. Provide a curve of tensile stress versus strain using one specimen per l
32、ot at each of the following temperatures: -40 C, 23 C, 80 C and 120 C. ENGINEERING MATERIAL SPECIFICATIONWSS-M3D187-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 7 of 8 ENGINEERING MATERIAL SPECIFICATIONWSS-M3D187-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 8 of 8
