1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 02 24 N-STATUS No replacement named L. Sinclair, NA 2007 05 30 Revised Inserted 3.0; Deleted 3.3 & 4 1973 06 18 Released BC/16168/EC Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 3 PVC PARTS, EXTE
2、RIOR S-M99D4690-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an extruded or injection molded part on PVC base with or without metal inserts. 2. APPLICATION The material is used for various exterior applications such as bumper profiles and/or as specified on
3、Engineering drawings. 3. REQUIREMENTS Note: The material shall be conditioned for a minimum of 24 h at 23 +/- 2 C and 50 +/- 5% relative humidity prior to test and tested under the same conditions. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform
4、to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 FINISHED PART REQUIREMENTS 3.1.1 Color Black or as specified on Engineering drawing. 3.1.2 Surface Smooth, free from blisters and voids. 3.1.3 Dimensions As specified on Engineering drawing. 3.1.4 Water Absorption,
5、max 0.6% (ASTM D 570, 24 h immersion period period at 23 +/- 2 C) 3.1.5 Heat Stability Maximum 1% shrinkage or as specified on Engineering drawing. Furthermore, no change of color or other surface failures. Test Method: Place a complete part or a section of the part in a mechanical convection oven m
6、aintained at 120 +/- 2 C for 30 minutes. Measure the dimensional changes after cooling down to room temperature. ENGINEERING MATERIAL SPECIFICATIONS-M99D4690-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.1.6 Adhesion (Metal/PVC), min Original 30 N/15 mm
7、 width After environmental cycling 30 N/15 mm width Test Method: The test shall be carried out in accordance with FLTM BN 151-05, except use specimen 15 mm in width or specimens of other suitable size. The PVC coating shall be reduced to a thickness of 1 - 2 mm. The environmental cycling shall be ca
8、rried out in accordance with clause 3.1.7. Note: This test is required for parts with not completely covered metal inserts only. 3.1.7 Environmental Cycling After test, the part shall not show any distortion, cracks or any other surface failures. Test Method: Subject a complete part or a section of
9、the part 5 times to the following cycle: 3 h at 80 +/- 1 C 1 h at room temperature 3 h at -40 C +/- 1 C 1 h at room temperature 16 h at 38 +/- 2 C and 98 +/- 2% relative humidity Note: The 16 hour humidity storage of the last cycle shall be omitted. 3.1.8 Shock Test After test, the part shall not sh
10、ow any surface failures or distortion. Test Method: A part or a section of the part shall be stored at -40 +/- 1 C for 16 hours and then, immediately immersed in water of 70 +/- 2 C for 5 minutes. Examination shall be done after conditioning the part to room temperature. 3.1.9 Cold Resistance -40 C
11、(FLTM BO 151-01, except use, a steel ball with a weight force of 2.21 N and 38 mm in diameter) After test, the part shall not show any breaks, cracks or other surface failures. 3.1.10 Salt Spray Resistance No corrosion (ASTM B 117) Time of Exposure As specified on Engineering drawings This test is r
12、equired for parts with not completely covered metal inserts only. 3.1.11 Resistance to Waxing and Dewaxing Compounds (FLTM BO 155-01) After test, the part shall not show any color tone change or any other surface failures. ENGINEERING MATERIAL SPECIFICATIONS-M99D4690-APrinted copies are uncontrolled
13、 Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 3.1.12 Contact and Migration Staining (FLTM BP 153-01) After test, the contact material shall not show any migration staining. Slight contact staining is permitted, if not other-wise specified on Engineering drawings. 3.1.13 Resistance to We
14、athering 1000 h (FLTM BO 101-01) After test, the part shall not show any color tone change or any other surface failures. 3.1.14 Heat Resistance After a condition period of 7 days in a mechanical convection oven maintained at 90 +/- 1 C, the part shall not show any color tone change or any other sur
15、face failures. 3.1.15 H2S Resistance No discoloration (FLTM AN 102-01) or staining This test is required for colored parts only. 3.1.16 Petrol Resistance Only required if specified on Engineering drawing. After test, the part shall not show any color tone change or other surface failures. Test Metho
16、d: A part or a section of the part shall be immersed in Fuel B according to ASTM D 471 for one hour (test temperature 23 +/- 2 C). Examination shall be done 30 minutes after removal. 3.1.17 Thermal Stability, min 30 minutes (ISO R 182, Method A, test temperature 200 C, 1 g of cut sample) 3.1.18 Evidence of Iron No evidence of iron No intensive reddening of test solution. 3.2 BASE MATERIALS REQUIREMENTS The base material shall meet the requirements of the specification quoted on Engineering drawings. 3.2.1 Shore Hardness (ASTM D 2240, 15 s dwell) As specified on Engineering drawing.
