1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 10 Revised Revised Format 2002 07 16 Activated M. Masserant Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 4 POLYPROPYLENE PHOSPHORESCENT PIGMENT FILLED, INTERIOR WSS-M4D556-A7 1. SCOPE The mat
2、erial defined by this specification, is a Phosphorescent Pigment Filled Polypropylene. 2. APPLICATION This specification was released originally for materials used for the emergency trunk release handle. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part p
3、roducers must conform to the Companys Standard 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. 3.2 MOLDING COMPOUND 3.2.1 Melt Flow Rate 3 -11 g/10 minutes (ISO 1133, 2
4、30 C, 216 kg) 3.3 MOLDED TEST SPECIMEN 3.3.1 Preparation of Test Specimens Unless otherwise specified, all tests shall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/
5、- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.3.2 Density 1.07 - 1.15 g/cm3 (ISO 1183, Method A) 3.3.3 Tensile Strength at Yield, min 20 Mpa (ISO R 527, 15
6、0 min x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/minute test speed) ENGINEERING MATERIAL SPECIFICATION WSS-M4D556-A7 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 4 3.3.4 Flexural Modulus, min (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm 1.5 Gpa specimen, 2 mm/minute test
7、speed, 64 mm support span) 3.3.5 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.3.5.1 At 23 +/- 2 C 2.8 kJ/m2 3.3.5.2 At -40 +/- 2 C 1.5 kJ/m2 3.3.5.3 At 10 +/1 2 C 2.5 kJ/m2 The test specimens must be conditioned for minimum of 6 h at the ab
8、ove specified temperature prior to impact test. Low temperature testing shall be done within the cold box. 3.3.6 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection) 3.3.6.1 At 1.80 Mpa 55 C 3.3.6.2 At 0.45 Mpa 90 C 3.3.7 Heat Aging Performance (
9、ISO 188, except 150 +/- 50 air changes/h, 1000 h at 85 C +/-2 C.) Unaged property values shall be determined at the time of the aged properties determination) 3.3.7.1 Tensile Strength at Yield Change +/- 20% (Test Method per para 3.3.3) 3.4 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plat
10、e, post test conditioning 1 h and 16 h) Fog Number, min 80 Formation of clear film, droplets or crystals is cause for rejection. 3.5 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. ENGINEERING
11、MATERIAL SPECIFICATION WSS-M4D556-A7 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 3 of 4 3.6 WEATHERING RESISTANCE After exposure in accordance with 3.6.1 and 3.6.2 the material shall show no fading or color change in excess of specified Gray Scale Rating (AATCC
12、 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 by washing with mild detergents and water (ratio 5.95 by volume), or equivalent, after t
13、he Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. 3.6.1 Xenon Arc Weatherometer Rating 4 - 5 (SAE J1885, 1240 kJ/m2 exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, mold
14、ed in smooth polished mold) 3.6.2 12 Months Florida Rating 4 - 5 (FLTM BI 160-01, 5 south, under glass, specimen size: 150 x 100 mm minimum, 2.0 +/- 0.2mm thick molded in smooth polished mold) 3.7 OPTICAL LUMINESCENCE (MIL-L-3891B) Time after One Minute Excitation Measured Luminance by an Illuminati
15、on Specified Minimum of 100 Foot-candles (Micro-Lamberts) 2 Minutes 20 20 Minutes 0.4 1 Hour 0.12 2 Hours 0.12 4 Hours 0.04 8 Hours 0.01 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFICIENT
16、OF LINEAR THERMAL EXPANSION 8 - 12-5/ C (ASTM E 228 or TMA, temperature range 20 - 100 C) ENGINEERING MATERIAL SPECIFICATION WSS-M4D556-A7 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 4 of 4 4.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 4.2.1 Molding Shrinkage 4.2.2 After 48 h at 23 +/- 2 C 1.0 4.2.2 After 30 minutes at 120 C 4.3 RECYCLING CODE WSK-M4D556-A, A3, A4 & A5 PP-TD20
