1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16622 Thermoplastic Olefin - Polypropylene/EPDM Rubber Blend for Paintable Interior Applications Copyright 2011 General Motors Company All Rights Reserved October 2011 Originating Department: North American Engineering Standards Page 1 of 5
2、1 Scope 1.1 Material Description. This specification describes paintable grades of a blend of polypropylene and Ethylene/Propylene Diene Monomer (EPDM) rubber injection molding compounds. 1.1.1 Materials certified to this material specification may have additional characteristics as defined in GMW30
3、13, e.g., paintable, etc. 1.1.2 The classification into groups is according to the different properties as described in Table 1. 1.2 Symbols. The material abbreviation according to ISO 11469 is PP+EPDM10 Flexural Modulus ISO 178, 2 mm/min. test speed MPa 200 to 300 300 to 400 300 to 400 400 to 500 2
4、00 to 250 Tensile Modulus ISO 527-1 ISO 527-2 Specimen 1A, 1 mm/min. test speed MPa Report Results Report Results Report Results Report Results Report Results Tensile Strain at Yield ISO 527-1 ISO 527-2 Specimen 1A, 50 mm/min. test speed % Report Results Report Results Report Results Report Results
5、Report Results Tensile Stress at Yield ISO 527-1 ISO 527-2 Specimen 1A, 50 mm/min. test speed MPa 7 7 8 10 13 Tensile Strain at Yield after Heat Aging (1000 5 h at 85 3 C) ISO 527-1 ISO 527-2 50 mm/min. test speed % Retention 100% 100% 100% 100% 100% Tensile Stress at Yield after Heat Aging (1000 5
6、h at 85 3 C) ISO 527-1 ISO 527-2 50 mm/min. test speed % Retention 100% 100% 100% 100% 100% Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16622 Copyright 2011 General Motors Company All Rights Reserved October
7、2011 Page 3 of 5 Property Standard Units T1 Low Melt Flow, Low Stiffness T2 Low Melt Flow, Medium Stiffness T3 Medium Melt Flow, Medium Stiffness T4 Medium Melt Flow, High Stiffness T5 High Melt Flow, Low Stiffness Multiaxial Impact at -40 C ISO 6603-1/2 Specimen 60 mm diameter x 2 mm, or 60 mm x 2
8、mm x 2 mm plaque 4.4 m/s speed J at max. Load Report Results Report Results Report Results Report Results Report Results Multiaxial Impact at -40 C ASTM D3763 6.6 m/s speed J at max. Load 19 100% Ductile 15 100% Ductile 15 100% Ductile 20 100% Ductile 25 100% Ductile Multiaxial Impact at -40 C after
9、 Heat Aging (1000 5 h at 85 3 C) ASTM D3763 6.6 m/s speed % Retention Report Results Report Results Report Results Report Results Report Results Notched Izod Impact at -40 C ISO 180/1eA kJ/m2 65 65 65 65 65 Notched Charpy Impact at -40 C ISO 179/1eA kJ/m2 Report Results Report Results Report Results
10、 Report Results Report Results Mold Shrink, 48 h after molding, flow Note 1 ISO 294, plaque size 101.6 mm x 152 mm x 3.2 mm % Target Range 0.6 to 1.3 Target Range 0.6 to 1.3 Target Range 0.6 to 1.3 Target Range 0.6 to 1.3 Target Range 0.6 to 1.3 Mold Shrink, 48 h after molding, cross flow Note 1 ISO
11、 294, plaque size 101.6 mm x 152 mm x 3.2 mm % Target Range 0.85 to 1.08 Target Range 0.85 to 1.08 Target Range 0.85 to 1.08 Target Range 0.85 to 1.08 Target Range 0.85 to 1.08 Mold Shrink, 48 h at 80 C after molding, flow Note 1 ISO 294, plaque size 101.6 mm x 152 mm x 3.2 mm % Report Results Repor
12、t Results Report Results Report Results Report Results Mold Shrink, 48 h at 80 C after molding, cross flow Note 1 ISO 294, plaque size 101.6 mm x 152 mm x 3.2 mm % Report Results Report Results Report Results Report Results Report Results Coefficient of Linear Thermal Expansion (CLTE) Flow Direction
13、 (report one lot for information only) ASTM E831 or ISO 11359-2 10-5 mm/mm/C Report Results Report Results Report Results Report Results Report Results CLTE Cross Flow Direction (report one lot for information only) ASTM E831 or ISO 11359-2 10-5 mm/mm/C Report Results Report Results Report Results R
14、eport Results Report Results Fogging (report one lot for information) GMW3235-B-condensable constituent mg 2.0 2.0 2.0 2.0 2.0 Odor (report one lot for information) GMW3205 Code B, Specimen 100 mm x 150 mm x 3.2 mm N/A 6 6 6 6 6 Flammability GMW3232 mm/minute 100 100 100 100 100 Paintability using a
15、 GMW15520 Type A or D Approved Paint in Jet Black, 600R GMW16172 GMW15520 N/A Table 1 for Interior Plastics per GMW16172 + Multiaxial Impact per GMW15520 Table 1 for Interior Plastics per GMW16172 + Multiaxial Impact per GMW15520 Table 1 for Interior Plastics per GMW16172 + Multiaxial Impact per GMW
16、15520 Table 1 for Interior Plastics per GMW16172 + Multiaxial Impact per GMW15520 Table 1 for Interior Plastics per GMW16172 + Multiaxial Impact per GMW15520 Note 1: For reference only this property does not indicate the shrinkage to be used to cut tools for production parts. Min. = minute Max. = ma
17、ximum Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16622 Copyright 2011 General Motors Company All Rights Reserved October 2011 Page 4 of 5 Table 2: Properties Assigned to Type Property Type Low Melt Flow, Low
18、 Stiffness T1 Low Melt Flow, Medium Stiffness T2 Medium Melt Flow, Medium Stiffness T3 Medium Melt Flow, High Stiffness T4 High Melt Flow, Low Stiffness T5 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regula
19、tions and recommendations valid in the country of usage. 5.2 Language. In the event of conflict between the English and domestic language, the English language shall take precedence. 5.3 Inspection and Rejection. Samples of components or materials released to a GM material specification shall be tes
20、ted for conformity with the requirements of this material specification and approved by the responsible Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any changes, e.g., properties, manufacturing process, location of manufacture, etc. I
21、f not otherwise agreed, all testing and documentation normally required for initial release must be completed. It is the responsibility of the supplier to inform the customer in a timely manner, without solicitation, and to include documentation of all modifications of materials and/or processes and
22、 to apply for a new release. If not otherwise agreed, all release tests shall be repeated and documented by the supplier prior to commencement of delivery of non-conforming bulk supplies. In individual cases, a shorter test can be agreed to between the responsible Engineering department and the supp
23、lier. 5.4 Initial Source Approval. No shipments shall be made by any supplier until representative initial production samples have been approved by the appropriate Materials Engineering department(s) as meeting the requirements of this specification. 5.5 Material Safety Data Sheets/Safety Data Sheet
24、s (MSDS/SDS). For new product submissions, or when a change in chemical composition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals
25、 (GHS) requirements or other country-specific MSDS/SDS requirements. In addition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.6 All materials supplied to this standar
26、d must comply with the requirements of GMW3059, Restricted and Reportable Substances for Parts. 6 Approved Sources Engineering qualifications of an approved source are required for this standard. Only sources listed in the GM Materials File MATSPC under this standard number have been qualified by En
27、gineering as meeting the requirements of this standard. 7 Notes 7.1 Glossary. MATSPC: Global repository of GM approved materials for corresponding GM Engineering Standards. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STAN
28、DARDS GMW16622 Copyright 2011 General Motors Company All Rights Reserved October 2011 Page 5 of 5 7.2 Acronyms, Abbreviations, and Symbols. ADVP&R Analysis, Developmental, Validation Plan and Report CLTE Coefficient of Linear Thermal Expansion DSC Differential Scanning Calorimetry EPDM Ethylene/Prop
29、ylene Diene Monomer rubber GHS Globally Harmonized System MSDS Material Safety Data Sheet N/A Not Applicable PP Polypropylene SDS Safety Data Sheet 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Material per GMW16622P - TPO (PP+EPDM) - TX Where: GMW
30、 = General Motors Worldwide 16622 = Sequential number P = Plastics TPO = Thermoplastic Polyolefin TX = Code defined in Table 1 9 Release and Revisions This standard was originated in May 2011. It was first approved by the Plastics Global Subsystem Leadership Team in October 2011. It was first publis
31、hed in October 2011. Issue Publication Date Description (Organization) 1 OCT 2011 Initial publication. Cross Reference of Replaced Material Coding GMW16622 Material Codes Formerly Identified As GMW16622P-PP+EPDM-T1 GMP.E/P.059 (GMNA) EDS-M-4621 Group 5 (GM Korea) GMW16622P-PP+EPDM-T2 GMP.E/P.059 (GMNA) GMW16622P-PP+EPDM-T3 EDS-M-4621 Group 4 (GM Korea) GMW16622P-PP+EPDM-T4 GMP.E/P.139 (GMNA) GMP.E/P.145 (GMNA) GMW16622P-PP+EPDM-T5 N/A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
