GMW GMW15185-2013 Polyolefin Alloy - 1000 MPa Flexural Modulus High Flow Issue 2 English.pdf

1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW15185 Polyolefin Alloy - 1000 MPa Flexural Modulus, High Flow Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 1 of 4 1 Scope 1.1 Material Description. This standard covers the properties of a 1000 MPa nominal flexu

2、ral modulus polyolefin alloy, high flow, pellet form, injection molding compound. For the purpose of this standard, polyolefin alloy is defined as an alloy of polypropylene plastic and Ethylene/Propylene (EP) or Ethylene/Propylene-Diene Monomer (EPDM) rubber. 1.1.1 Additional Characteristics. Materi

3、als certified to this material specification may have additional characteristics, e.g., paintable, elastomer modified, etc. Possible additional characteristics are defined in GMW3013. 1.2 Symbols. The material abbreviation according to ISO 11469 is PP+EPDM-M1313 Multiaxial Impact Strength at 23 C 2

4、C ASTM D3763, specimen C, 2.2 m/s impact velocity J at maximum load 15 All failures must be ductile Multiaxial Impact Strength at -30 C 2 C ASTM D3763, specimen C, 2.2 m/s impact velocity J at maximum load 15 All failures must be ductile Multiaxial Impact Strength at +23 C 2 C ISO 6603-2/40/20/C/4.4

5、. Sample to be either square 60 mm x 60 mm minimum, or circle 60 mm diameter minimum. Sample thickness to be 2 mm 0.1 mm. J at maximum load Report Energy at Maximum Force and Type of Failure Multiaxial Impact Strength at -30 C 2 C (or lowest temperature where only type YD or YS failures are observed

6、) ISO 6603-2/40/20/C/4.4. Sample to be either square 60 mm x 60 mm minimum, or circle 60 mm diameter minimum. Sample thickness to be 2 mm 0.1 mm. J at maximum load Report Energy at Maximum Force and Type of Failure Report Test Temperature Notched Charpy Impact at 23 C ISO 179/1eA kJ/m2 Report Result

7、s Notched Charpy Impact at -30 C ISO 179/1eA kJ/m2 Report Results Vicat Softening Temperature (VST)/A/50 ISO 306 C Report Results Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,

8、-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15185 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 3 of 4 Properties Standard Unit Values Heat Deflection Temperature (HDT) Method A ISO 75-1, ISO 75-2, ISO 75-3 C 50 Coefficient of Linear Thermal Expansion (CLTE), longitudinal,

9、23 C to 80 C for ISO 11359, -30 C to 100 C for ASTM E 831 and ASTM E 228 ISO 11359 or ASTM E831 or ASTM E228 1/K 55 x 10-6 Shrink, 48 h after molding ISO 294, plaque size (4 in x 6 in x 0.125 in) % 0.525 to 0.675 Note 2 Shrink, After Bake, 1 h at 82 C ISO 294, plaque size (4 in x 6 in x 0.125 in) %

10、0.625 to 0.775 Note 2 Shrink, After Bake, 1 h at 121 C ISO 294, plaque size (4 in x 6 in x 0.125 in) % 0.725 to 0.875 Note 2 Note 1: Can vary by region as long as shrink is not affected. Note 2: Determined on test plaques and manufactured at defined conditions. Not tooling specification data. YD: Yi

11、elding (zero slope at maximum force) followed by deep drawing. YS: Yielding (zero slope at maximum force) followed by (at least partially) stable cracking. 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regula

12、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

13、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

14、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

15、 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

16、lier. 5.4 Material Safety Data Sheets/Safety Data Sheets (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 Harmon

17、ized System of Classification and Labeling of Chemicals (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 wher

18、e available. 5.5 All materials supplied to this standard must comply with the requirements of GMW3059, Restricted and Reportable Substances for Parts. 6 Approved Sources Materials supplied to this specification must be approved by General Motors. A list of approved materials can be found in MATSPC.

19、This GM Material File is provided to third parties to reduce redundant testing of materials. If approved material already listed is used, the part supplier can use GM Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking

20、 permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15185 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 4 of 4 Material File reference for Production Part Approval Process (PPAP) material approval. If the decision is made to use a not yet approv

21、ed material, contact GM Materials Engineering for details on the approval process. The material approval process must be completed prior to PPAP start date of the part supplied to General Motors. 7 Notes 7.1 Glossary. MATSPC: Global repository of GM approved materials for corresponding GM Engineerin

22、g Standards. YD: Yielding (zero slope at maximum force) followed by deep drawing. YS: Yielding (zero slope at maximum force) followed by (at least partially) stable cracking. 7.2 Acronyms, Abbreviations, and Symbols. CLTE Coefficient of Linear Thermal Expansion DSC Differential Scanning Calorimetry

23、EP Ethylene/Propylene EPDM Ethylene/Propylene-Diene Monomer GHS Globally Harmonized System of Classification and Labeling of Chemicals HDT Heat Deflection Temperature MFR Melt Flow Rate MSDS Material Safety Data Sheet MVR Melt Volume Flow Rate PPAP Production Part Approval Process SDS Safety Data Sh

24、eet TPO Thermoplastic Polyolefin VST Vicat Softening Temperature 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Material per GMW15185 9 Release and Revisions This standard was originated in February 2006. It was first approved by the Global Plastics

25、 Team in July 2008. It was first published in July 2008. Issue Publication Date Description (Organization) 1 JUL 2008 Initial publication. 2 AUG 2013 Five year refresh of standard. Minor updates to add clarification. (Plastics Global Subsystem Leadership Team) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-