1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2008 03 20 Activated Marcos Rogrio de SouzaPrinted copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 3 SISAL PP BLANK (50% RECYCLED POLYPROPYLENE FIBER (PP) + WSS- M98D37-A1 50% SISAL FIBER) Grammage: 1000 g/m2SIS
2、AL PP BLANK (50% RECYCLED POLYPROPYLENE FIBER (PP) + WSS- M98D37-A2 50% SISAL FIBER) Grammage: 2000 g/m2SISAL PP BLANK (50% RECYCLED POLYPROPYLENE FIBER (PP) + WSS- M98D37-A3 50% SISAL FIBER) Grammage: 3000 g/m21. SCOPE These specifications defines the minimum requirements of interior trim parts mol
3、ded using sisal fiber and recycled polypropylene fiber (50% each) needled covered by carpet, woven, non woven, TPO sheet or other kind of finishing. 2. APPLICATION These specifications were released for materials requirements for rear package trays, door trim panel, instrument panel, headliner, quar
4、ter trim panel, seat-back panel, A-, B-, C-, and D-pillar molding, center console, scuff plate and inner tailgate cover. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Material
5、s (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values. 3.2 APPEARANCE (FLTM BI 109-01) The color, grain, gloss, and finish shall match the approved Design Center master sample, or shall be as specified on the en
6、gineering drawing. 3.3 SISAL PP BLANK PROPERTIES All performance test must be done on molded blank with nominal thickness of 3 mm attending at east the results specified bellow for each grammage (g/m2). ENGINEERING MATERIAL SPECIFICATIONWSS-M98D37-A1/A2/A3 Printed copies are uncontrolled Copyright 2
7、008, Ford Global Technologies, LLC Page 2 of 3 3.3.1 Determination of grammage (grams per square meter (g/m2) ISO 536 (Adapted to natural fiber blank) A1 A2 A3 1000+/- 5% 2000 +/ -5% 3000 +/- 5% (s) 3.3.2 Density (g/cm3) (ISO 1183) 0.96 +/- 0.02 0.96 +/- 0.02 0.96 +/- 0.02 (s) 3.3.3 Impact Resistanc
8、e 3.3.3.1 Rubber Ball 4.5 kg weight, 127 mm dia 60 +/- 5, Durometer “A“, (ISO 686/ASTM D 2240) Room Temperature Impact (23 +/- 2 C) Use Uncovered side to do the test. The assembly shall show no evidence of cracking or breaking and shall fully recover from indentation in the time required for the ass
9、embly to return to 23 +/- 2 C. Test Method: Conduct this test with the trim assembly mounted on an actual or simulated production support foundation using the approved retention methods. Drop the rubber ball from the height specified below at the impact locations indicated on the Engineering Drawing
10、 Drop Height . Scuff Plates and Load Floor 610 mm . Below belt line 460 mm . Above belt line 305 mm Exception to the above requirements shall be specified on the Engineering Drawing. (s) 3.3.4 Heat Aging (7 days at 110 +/- 2 C) Color Change, min Rating 4 - 5 (AATCC Evaluation Procedure 1) The cover
11、 materials shall show no evidence of tackiness, or exhibit a color tone change. Any “spotty“ or non-uniform staining or discoloration shall be cause for rejection. ENGINEERING MATERIAL SPECIFICATIONWSS-M98D37-A1/A2/A3 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page
12、 3 of 3 Delamination The cover material shall not delaminate or bridge from substrate after exposure. Sag The assembly shall exhibit no more than 12 mm sagging in the unsupported areas 24 h after weights are removed. Test Method: Mount package tray in a production representative metal retainer buck.
13、 Place a 900 g weight with a contact area of 50 x 50 mm on the package tray at 3 unsupported positions. Place buck in an air circulating oven at 110 +/- 2 C for 7 days. Remove, take weights off, and allow to condition for 24 h at 23 +/- 2 C prior to evaluation. (s) 3.3.5 Tensile Strength at break, m
14、in (MPa) A1 A2 A3 (ASTM D 5034) 30 32 33 (s) 3.3.6 Heat Aging Performance Tensile Strength at break, change (ASTM D 5034) The measure must after be carried through stabilization of at least 1h to 23 C. Aging 48hs/38 C/95% humidity +/-17 +/-17 +/-17 Aging 168hs/80 C/non controlled humidity +/-25 +/-2
15、5 +/-25 Aging 48hs /23 C +/-10 +/-10 +/-10 (immersed in distilled water) (s) 3.3.7 Tensile Modulus, min (GPa) (ISO 527-1) 1.15 1.20 1.25 (s) 3.3.8 Odor, max, Rating 2 2 2 (FLTM BO 131-01) 3.3.9 Flammability (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 4.1 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PPN50
