1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 07 14 N-STATUS No replacement A. Pan, APA 2005 07 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1999 06 25 Activated M. Masserant Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 3 TH
2、ERMOPLASTIC POLYOLEFIN ELASTOMER (TE0) WSS-M4D550-A9 22% MINERAL FILLED MEDIUM IMPACT MOLDING COMPOUND, MOLDED-IN-COLOR, INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a medium impact, rigid thermoplastic polyolefin elastomer (TEO) injection molding com
3、pound, 22% mineral (talc) filled. 2. APPLICATION This specification was released originally for material used for nonpainted defroster grilles on Escort and WIN 126. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys
4、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. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Rate 12 - 18 g/ (ISO 1133, 230 C, 2.16 kg) 10 minutes (s) 3.4.2 Filler
5、Content 20 - 23% (ISO 3451/1, Method A, talc filler, 1 h at 850 +/- 50 C, test portion 2 to 2.5 g) 3.5 MOLDED TEST SPECIMEN 3.5.1 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 req
6、uired: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 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. ENGINEERING MATERIAL SPECIF
7、ICATIONWSS-M4D550-A9Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.5.2 Density 1.02 - 1.07 g/cm3(ISO 1183, Method A) 3.5.3 Hardness, Durometer D 54 - 64 (ISO 868, 15 s dwell) (s) 3.5.4 Tensile Strength at Yield, min 18 MPa (ISO R 527, 150 minimum x 10 x 4
8、0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.5 Flexural Modulus, min 1.3 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/
9、 2 C 17 kJ/m23.5.6.2 At -40 +/- 1 C 5 kJ/m23.5.6.3 At 10 +/- 2 C 2 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 1
10、20 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 48 C 3.5.7.2 At 0.45 MPa 81 C 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2C. Unaged property values shall be determined at the time of the aged properties determination)
11、 3.5.8.1 Tensile Strength at Yield Change +/- 25% (Test Method per para 3.5.4) 3.5.8.2 Impact Strength, Izod Change, max +/- 15% (Test Method per para 3.5.7.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSS-M4D550-A9Printed copies are uncontrolled Copyright 2010, Fo
12、rd Global Technologies, LLC Page 3 of 3 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 90 Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specime
13、n size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 3.8 PAINTABILITY Painted substrate must comply with all requirements of paint performance WSK-M2P167-A. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meetin
14、g the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 4 - 9 -5/ C (ASTM E 228 or TMA, temperature range -30 to + 100 C) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.4 - 0.9% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.1 - 0.2% . After 30 min at 120 C 0.5 - 1.1% 5.3 RECYCLING CODE PP+EPDM-TD22
