1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW15340 Polyolefin Alloy - Talc Filled, High Stiffness, High Impact, Interior Thermoplastic Olefin Copyright 2011 General Motors Company All Rights Reserved July 2011 Originating Department: North American Engineering Standards Page 1 of 9 1 S
2、cope 1.1 Material Description. This specification describes material grades of polyolefin alloy, pellet form, injection molding compounds. For the purpose of this specification, polyolefin alloy is defined as an alloy of polypropylene plastic and Ethylene Propylene (EP) or Ethylene Propylene Diene M
3、onomer (EPDM) rubber. 1.1.1 Additional Characteristics. Materials certified to this material specification may have additional characteristics as defined in GMW3013, e.g., paintable, ultraviolet (UV) stability, etc. 1.1.2 Types. The classification into groups is according to the different properties
4、 as described in Table 1. 1.2 Symbols. The material abbreviation according to ISO 11469 is PP+EP(D)M-M20 36 36 Melt Volume Flow Rate (MVR) 230/2.16 ISO 1133 g/10 min. 22.1 to 26.7 22.1 to 26.7 11 to 15 11 to 15 Report Results Report Results Flexural Modulus ISO 178, 2 mm/min. test speed MPa 1750 to
5、2050 1750 to 2050 1530 to 1850 1530 to 1850 2100 2100 Tensile Modulus at 23 C ISO 527-1 ISO 527-2 Specimen 1A, 1 mm/min. test speed MPa 1600 to 2260 1600 to 2260 Report Results Report Results 2100 2100 Tensile Modulus at 105 C ISO 527-1 ISO 527-2 Specimen 1A, 1 mm/min. test speed MPa Report Results
6、Report Results Report Results Report Results 1200 1200 Tensile Stress at Yield ISO 527-1, ISO 527-2 Specimen 1A, 50 mm/min. test speed MPa 17 17 17 17 20 20 Tensile Stress at Yield after Heat Aging (1000 5 h at 105 3 C) Note 1 ISO 527-1 ISO 527-2 50 mm/min. test speed % Retention 100% 100% 100% 100%
7、 100% 100% Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15340 Copyright 2011 General Motors Company All Rights Reserved July 2011 Page
8、 3 of 9 Property Standard Units T1, Class U UV Stable, Scratch Resistant (Default if no type is specified) T1, Class P Paintable Version of T1 (No UV or Scratch Additives) T2, Class U Higher Impact, UV Stable, Scratch Resistant T2, Class P Paintable Version of T2 (No UV or Scratch Additives) T3, Cla
9、ss U Higher Melt Flow, Higher Stiffness, UV Stable, Scratch Resistant T3, Class P Paintable Version of T3 (No UV or Scratch Additives) Multiaxial Impact Strength at 23 C ASTM D3763, Specimen C 6.6 m/s speed J at max. Load 18 All failures must be ductile 8 All failures must be ductile 18 All failures
10、 must be ductile 18 All failures must be ductile 18 All failures must be ductile 18 All failures must be ductile Multiaxial Impact Strength at Cold Temperature ASTM D3763 6.6 m/s speed J at max. Load 20 at (minus) -30 C All failures must be ductile 20 at (minus) -30 C All failures must be ductile 24
11、 at (minus) -40 C All failures must be ductile 24 at (minus) -40 C All failures must be ductile 20 at (minus) -30 C All failures must be ductile 20 at (minus) -30 C All failures must be ductile Multiaxial Impact Strength at Cold Temperature after Heat Aging (1000 5 h at 105 3 C) Note 1 ASTM D3763 6.
12、6 m/s speed % Retention 100% 100% 100% 100% 100% 100% Multiaxial Impact Strength at 23 C ISO 6603-1/2 Specimen 60 mm diameter x 2 mm or 60 x 2 x 2 mm plaque 4.4 m/s speed J at max. Load Report Results Report Results Report Results Report Results Report Results Report Results Multiaxial Impact Streng
13、th at Cold Temperature ISO 6603-1/2 Specimen 60 mm diameter x 2 mm or 60 x 2 x 2 mm plaque 4.4 m/s speed J at max. Load Report Results Report Results Report Results Report Results Report Results Report Results Multiaxial Impact Strength at Cold Temperature after Heat Aging (1000 5 h at 105 3 C) Note
14、 1 ISO 6603-1/2 Specimen 60 mm diameter x 2 mm or 60 x 2 x 2 mm plaque 4.4 m/s speed % Retention 100% 100% 100% 100% 100% 100% Notched Izod Impact at 23 C ISO 180/1eA kJ/m2 40 40 40 40 40 40 Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo re
15、production or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15340 Copyright 2011 General Motors Company All Rights Reserved July 2011 Page 4 of 9 Property Standard Units T1, Class U UV Stable, Scratch Resistant (Default if no type is specified) T1, Class P P
16、aintable Version of T1 (No UV or Scratch Additives) T2, Class U Higher Impact, UV Stable, Scratch Resistant T2, Class P Paintable Version of T2 (No UV or Scratch Additives) T3, Class U Higher Melt Flow, Higher Stiffness, UV Stable, Scratch Resistant T3, Class P Paintable Version of T3 (No UV or Scra
17、tch Additives) Notched Izod Impact at Cold Temperature ISO 180/1eA kJ/m2 6 at (minus) -30 C 6 at (minus) -30 C 6 at (minus) -40 C 6 at (minus) -40 C 6 at (minus) -30 C 6 at (minus) -30 C Notched Charpy Impact at 23 C ISO 179/1eA kJ/m2 40 40 49 49 Report Results Report Results Notched Charpy Impact a
18、t Cold Temperature ISO 179/1eA kJ/m2 4 at (minus) -30 C 4 at (minus) -30 C 3.5 at (minus) -40 C 3.5 at (minus) -40 C 3.5 at (minus) -30 C 3.5 at (minus) -30 C Heat Deflection Temperature (HDT), Method B, 0.45 MPa ISO 75-1, ISO 75-2, ISO 75-3 flatwise C 102 102 102 102 105 105 Mold Shrink, 48 h after
19、 molding, average of flow and crossflow Note 2 ISO 294, plaque size 101.6 x 152 x 3.2 mm % 0.6 to 0.75 0.6 to 0.75 0.6 to 0.75 0.6 to 0.75 0.6 to 0.75 0.6 to 0.75 Mold Shrink, 48 h at 80 C after molding, average of flow and crossflow Note 2 ISO 294, plaque size 101.6 x 152 x 3.2 mm % Report Results
20、Report Results Report Results Report Results Report Results Report Results Coefficient of Linear Thermal Expansion (CLTE) Flow Direction (report one lot for information only) ASTM E831 or ISO 11359-2 105 mm/mm/ C Report Results Report Results Report Results Report Results Report Results Report Resul
21、ts CLTE Cross Flow Direction (report one lot for information only) ASTM E831 or ISO 11359-2 105 mm/mm/ C Report Results Report Results Report Results Report Results Report Results Report Results Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleN
22、o reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15340 Copyright 2011 General Motors Company All Rights Reserved July 2011 Page 5 of 9 Property Standard Units T1, Class U UV Stable, Scratch Resistant (Default if no type is specified) T1, Class
23、 P Paintable Version of T1 (No UV or Scratch Additives) T2, Class U Higher Impact, UV Stable, Scratch Resistant T2, Class P Paintable Version of T2 (No UV or Scratch Additives) T3, Class U Higher Melt Flow, Higher Stiffness, UV Stable, Scratch Resistant T3, Class P Paintable Version of T3 (No UV or
24、Scratch Additives) Flammability (report one lot for information only) GMW3232 mm/min. No burn or flame front trans-mission across the surface at a rate greater than 100 mm/ minute No burn or flame front transmission across the surface at a rate greater than 100 mm/minute No burn or flame front trans
25、-mission across the surface at a rate greater than 100 mm/ minute No burn or flame front trans-mission across the surface at a rate greater than 100 mm/ minute No burn or flame front trans-mission across the surface at a rate greater than 100 mm/ minute No burn or flame front trans-mission across th
26、e surface at a rate greater than 100 mm/ minute Fogging (report one lot for information only) GMW3235-B-condensable constituent mg 2.0 2.0 2.0 2.0 2.0 2.0 Odor (report one lot for information only) GMW3205 Code B, Specimen 100 x 150 x 3.2 mm N/A Minimum 6 Minimum 6 Minimum 6 Minimum 6 Minimum 6 Mini
27、mum 6 Chemical Resistance GMW14334 (report one lot in Black for information only) GMW14334-A-Rating 1 N/A Rating 1 Not Required Rating 1 Not Required Rating 1 Not Required Laser Scoreable (report one lot in Black for information only) Jenoptik or Similar Evaluation for Residual Wall Thickness N/A La
28、ser Scoreable and not Visible Not Required Laser Scoreable and not Visible Not Required Laser Scoreable and not Visible Not Required Paintability GMW16172 N/A Not Required Table 1 for Interior Plastics per GMW16172 + Multiaxial Impact per GMW15520 Not Required Table 1 for Interior Plastics per GMW16
29、172 + Multiaxial Impact per GMW15520 Not Required Table 1 for Interior Plastics per GMW16172 + Multiaxial Impact per GMW15520 Note 1: Heat aging according to ISO 188 method A (air oven method). Note 2: For reference only - this property does not indicate the shrinkage to be used to cut tools for pro
30、duction parts. Min. = minimum. Max. = maximum. N/A = Not applicable. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15340 Copyright 2011
31、 General Motors Company All Rights Reserved July 2011 Page 6 of 9 Table 2: Compound Properties (Integrally Colored) Properties Standard Unit T1, Class U UV Stable, Scratch Resistant (Note: Default if no type or class is specified) T2, Class U Higher Impact, UV Stable, Scratch Resistant T3, Class U H
32、igher Melt Flow, Higher Stiffness, UV Stable, Scratch Resistant Multiaxial Impact Cold Temperature ASTM D3763 6.6 m/s speed J at max. Load 20 at (minus) -30 C All failures must be ductile 24 at (minus) -40 C All failures must be ductile 20 at (minus) -30 C All failures must be ductile Multiaxial Imp
33、act Cold Temperature ISO 6603-1/2 Specimen 60 mm diameter x 2 mm or 60 x 2 x 2 mm plaque 4.4 m/s speed J at max. Load Report Results Report Results Report Results Notched Izod Impact at Cold Temperature ISO 180/1eA kJ/m2 6 at (minus) -30 C 6 at (minus) -40 C 6 at (minus) -30 C Notched Charpy Impact
34、at Cold Temperature ISO 179/1eA kJ/m2 4 at (minus) -30 C 3.5 at (minus) -40 C 3.5 at (minus) -30 C Colorfastness to Light, Natural Weathering Color Change Surface Defects Weather Resistance per GMW3417-L1-F2-G1-T4 Test at the following intervals: 1250 MJ/m2(30 000 ly), 2300 MJ/m2 (55 000 ly) 3350 MJ
35、/m2(80 000 ly), 4400 MJ/m2 (105 000 ly) Test specimen required to be returned to customer at each interval N/A E = 3.0 max. No objectionable tackiness, blotchiness, or other undesirable surface defects. E = 3.0 max. No objectionable tackiness, blotchiness, or other undesirable surface defects. E = 3
36、.0 max. No objectionable tackiness, blotchiness, or other undesirable surface defects. Colorfastness to Light, Accelerated Color Change Surface Defects Xenon Arc according to GMW14162/D/ 300 kJ/m2 and 1240.8 kJ/m2 Note: Separate test panels are required to be evaluated at each exposure level: 300 an
37、d 1240. N/A E = 3.0 max. No objectionable tackiness, blotchiness, or other undesirable surface defects. E = 3.0 max. No objectionable tackiness, blotchiness, or other undesirable surface defects. E = 3.0 max. No objectionable tackiness, blotchiness, or other undesirable surface defects. Alternativel
38、y: Colorfastness to Artificial Light GMW14162/C/26 MJ/m2 N/A Rating of 4 min. (Also there shall be no more than a noticeable change in hue or chrome, and no objectionable tackiness, blotchiness, loss of grain, wrinkling or other undesirable effects) Rating of 4 min. (Also there shall be no more than
39、 a noticeable change in hue or chrome, and no objectionable tackiness, blotchiness, loss of grain, wrinkling or other undesirable effects) Rating of 4 min. (Also there shall be no more than a noticeable change in hue or chrome, and no objectionable tackiness, blotchiness, loss of grain, wrinkling or
40、 other undesirable effects) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15340 Copyright 2011 General Motors Company All Rights Reserv
41、ed July 2011 Page 7 of 9 Properties Standard Unit T1, Class U UV Stable, Scratch Resistant (Note: Default if no type or class is specified) T2, Class U Higher Impact, UV Stable, Scratch Resistant T3, Class U Higher Melt Flow, Higher Stiffness, UV Stable, Scratch Resistant Scratch Resistance GMW14688
42、-A-10 N; GM North American Appearance Engineering (NAAE) Interior WPEPGLD Plastic Color Submission Plaque For initial approval in MATSPC, test 1 lot in ebony (black), gray and neutral. For color approval, each color must be tested. For other regions use the Master Plaques with the Grains, Colors and
43、 Gloss Levels as Defined in the ARD-Sheet of the Corresponding GM Program. L 0.5 Across all grains except Modified Kruz 0.5 Across all grains except Modified Kruz 0.5 Across all grains except Modified Kruz Scratch Resistance after Heat Age Note 1, Note 2 GMW14688-A-10N; GM NAAE Interior WPEPGLD Plas
44、tic Color Submission Plaque For initial approval in MATSPC, test 1 lot in ebony (black), gray and neutral. For color approval, each color must be tested. L 0.5 Across all grains except Modified Kruz 0.5 Across all grains except Modified Kruz 0.5 Across all grains except Modified Kruz Fogging GMW3235
45、-B condensable constituents mg 2.0 2.0 2.0 Flammability GMW3232 mm/min. No burn or flame front transmission across the surface at a rate greater than 100 mm/min. No burn or flame front transmission across the surface at a rate greater than 100 mm/min. No burn or flame front transmission across the s
46、urface at a rate greater than 100 mm/min. Colorfastness to Burnt Gas American Association of Textile Chemists and Colorists (AATCC) 23 or ISO 1050G02 light neutral/beige or light gray family colors only N/A E 1.5; YI 2.0 E 1.5; YI 2.0 E 1.5; YI 2.0 Stress Mark Susceptibility GM9302P S.E.T. = 2.5 max
47、. S.E.T. = 2.5 max. S.E.T. = 2.5 max. Note 1: Heat aging for 168 h at 100 5 C according to ISO 188 method A (air oven method). Test after 24 h recovery. Note 2: Aged specimens shall have at least the same scratch results relative to unaged specimens tested concurrently. Min. = minimum. Max. = maximu
48、m. N/A = Not applicable. S.E.T. = Stress Evaluation Test. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15340 Copyright 2011 General Motors Company All Rights Reserved July 2011 Page 8 of 9 Table 3: Properties Assigned to Type, Class Property Type, Class UV Stable, Scra
