FORD WSS-M4D1041-A1-2018 EXPANDED POLYPROPYLENE (PP) FOAM HIGH STRENGTH MEDIUM DENSITY CLOSED CELL INTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf
《FORD WSS-M4D1041-A1-2018 EXPANDED POLYPROPYLENE (PP) FOAM HIGH STRENGTH MEDIUM DENSITY CLOSED CELL INTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf》由会员分享,可在线阅读,更多相关《FORD WSS-M4D1041-A1-2018 EXPANDED POLYPROPYLENE (PP) FOAM HIGH STRENGTH MEDIUM DENSITY CLOSED CELL INTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 00 2018 05 14 Released L. Rabideau, NA Controlled document at www.MATS Copyright 2018, Ford Global Technologies, LLC Page 1 of 5 EXPANDED POLYPROPYLENE (PP) FOAM, HIGH STRENGTH, WSS-M4D1041-A1 MEDIUM DENSITY CLOSED CELL, INTERIOR 1. SCOP
2、E The material defined by this specification is closed cell polypropylene foam produced by compression molding of expanded polypropylene beads. 2. APPLICATION This specification was originally released for use as a sun visor substrate. 2.1 LIMITATIONS This does not contain UV stabilizers, long term
3、exposure to direct sunlight will cause chalking and loss of gloss. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is listed on the drawing, CAD file,
4、or other documents. The list of approved sources is located within Ford at or available externally through a Ford Materials Engineer. 3.2 CONDITIONING AND TEST CONDITIONS All test values are based on material conditioned for not less than 24 h prior to testing in a controlled environment of 23 +/-
5、2 C and 50 +/- 5% relative humidity. Testing of the material should occur in the conditioning environment or soon after removal. 3.3 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms from initial material approval shall constitute the reference standard and shall be kept
6、on file at the designated material laboratory. The material supplier shall ensure that all future material supplied to the specification shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. 3.4 STANDARD REQUIREMENTS FOR PRODUCTION
7、MATERIALS 3.4.1 Many 4D resin specifications prior to 2011, identified certain requirements with the symbol (s), which indicated that the mean and +/- 3 sigma values were to be reported. The specification minimum, maximum or range was established using 3 sigma data. For 2011 and beyond, refer to Tab
8、le 1 for number of samples required for each test. 3.4.2 This specification is based on virgin material and does not allow the addition of recycled content (PIR/PCR). ENGINEERING MATERIAL SPECIFICATION WSS-M4D1041-A1 Copyright 2018, Ford Global Technologies, LLC Page 2 of 5 3.4.3 Ford Materials Engi
9、neering may request a Control Plan and Certificate of Analysis (C of A) containing lot testing requirements, which must include, but are not limited to: Density Compressive Strength 3.5 SAMPLE PREPARATION All test specimens shall be free from molded skin. Test specimen shall be cut to a thickness of
10、 25 +/-2 mm. 3.6 MATERIAL PROPERTIES 3.6.1 Density 51-60 kg/m3 (ISO 845/ASTM D3574, Test A, Core density only, 50 x 50 x 25 mm specimen size minimum) 3.6.2 Tensile Strength 1500 kPa min (ISO 1926/ASTM D3574, Test E 50 mm bench marks, Use ASTM D412A Die) 3.6.2.1 Elongation at Break 2 % min (Test acc.
11、 to 3.6.2) 3.6.2.2 Tensile Strength after Heat Aging +/- 25 % max (ISO 188/ASTM D573, Tensile test acc. to 3.6.2 1000 h at 80 +/- 2 C) After heat aging, test specimens are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged
12、properties 3.6.3 Compressive Strength (ISO 844/ASTM D 1621, 50 x 50 x 25 mm specimen) 3.6.3.1 At 10% strain 200 kPa min 3.6.3.2 At 25% strain 300 kPa min 3.6.3.3 At 50% strain 350 kPa min 3.6.3.4 At 75% strain 700 kPa min 3.6.4 Dimensional Stability 4 % max Test Method: A specimen approximately 300
13、x 300 mm in size shall be placed in a mechanical convection oven maintained at 100 +/- 2 C for 3 h. Overall dimensional changes shall be measured after cooling down to room temperature. 3.6.5 Short Term Environmental Cycling (FLTM BO 040-01 Procedure A, 80 C) ENGINEERING MATERIAL SPECIFICATION WSS-M
14、4D1041-A1 Copyright 2018, Ford Global Technologies, LLC Page 3 of 5 Evaluate the visual portion of the evaluation procedure for distortion, blistering, delamination and waviness only. Evaluate the functional and dimensional evaluation procedures as stated in the method.) All parts in assembly and ma
15、ting components must be in place. No warping or distortion that will interfere with normal functional operations. 3.7 FOGGING PHOTOMETRIC (SAE J1756, 3 h at 100 C heating, 21 C Cooling plate, post testing conditioning 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for
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