1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW15582 Acrylonitrile Butadiene Styrene and Polycarbonate Blend, Filled Copyright 2013 General Motors Company All Rights Reserved May 2013 Page 1 of 5 1 Scope 1.1 Material Description. This standard describes material types of filled Acrylonit
2、rile Butadiene Styrene (ABS) and polycarbonate (PC) blends that are used in injection components. 1.1.1 Types. The classification into groups is according to the different properties as described in Table 1 and Table 2. 1.2 Symbols. The material abbreviation according to ISO 11469 is ABS+PC+GF10ABS+
3、PC+GF20ABS+PC+T8ABS+PC+T18ABS+PC+T14. 1.3 Typical Applications. Typical applications include exterior and interior substrates/brackets that require high temperature stability, high strength, and low Coefficient of Linear Thermal Expansion (CLTE). 2 References Note: Only the latest approved standards
4、 are applicable unless otherwise specified. 2.1 External Standards/Specifications. ASTM D955 ISO 179/1eA ISO 1133 ISO 3451-1 ASTM D3763 ISO 294 ISO 1183-A ISO 6603-2 ASTM E831 ISO 294-3/4 ISO 2580-2 ISO 11359-2 ISO 75-1/2 ISO 527-1/2 ISO 3167 ISO 11469 ISO 178 2.2 GM Standards/Specifications. GMW301
5、3 GMW3205 GMW3235 GMW16853 GMW3059 GMW3221 GMW15634 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents (available at ). 3 Requirements 3.1 Materials approved to this standard shall meet the requirements of GMW3013, General Requirements for Handling of Technical Terms of
6、Delivery for Plastics. 3.2 Requirements on Delivery. Important physical, mechanical and thermal properties that characterize the material are summarized in Table 1. Note: For each product, the requirements to Table 1 shall be documented by Certification Statement according to GMW3013. The color shal
7、l be specified on drawings, in material specifications, and otherwise. 3.3 Requirements on Test Specimens. Unless otherwise specified, injection molding of test specimens shall be accomplished per ISO 294 with the conditions for injection molding from ISO 2580-2. Test methods and specimen dimensions
8、 are also to be in accordance with ISO 2580-2 with the following additions: use ISO 3167, Type 1A, thickness 4 mm for tensile and flexural properties. All tests shall be performed on specimens 40 h minimum after molding and immediately following a conditioning period of 24 h minimum in a controlled
9、atmosphere per GMW3221, Code A, unless otherwise specified. All tests shall be performed on unannealed specimens. The values specified in Table 1 shall be met by test specimens in natural or black. For integrally colored grades where other additive systems (e.g., stabilizer) are used, the impact val
10、ues shall not decrease more than 10% from the specified minimum value. 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 GMW15582 Copyright 20
11、13 General Motors Company All Rights Reserved May 2013 Page 2 of 5 3.3.1 Chemical Requirements. All parts manufactured from molding compounds shall be resistant to the media they contact at their place of use. 3.4 Compound Properties. See Table 1. The following are also required for full specificati
12、on approval. The minimum number of lots per test required is one in natural: Stress Strain Curve at +23 C, +85 C, -30 C. Test Report according to GMW16853. 3.5 Performance Requirements. Performance requirements, e.g., flammability, fogging or resistance to odor, shall be specified on part drawings o
13、r in component specifications. Table 1: Compound Properties (Natural and Black) Property Standard Note1 Units T1 Mean/ (Range) T2 Mean/ (Range) T3 Mean/ (Range) T4 Mean/ (Range) T5 Mean/ (Range) Tensile Modulus ISO 527-1/2 MPa 3000 4500 2800 4000 3000 Tensile Strength Yield ISO 527-1/2 MPa 55 60 45
14、20 50 Flexural Modulus ISO 178 MPa 3000 4500 2800 4000 3500 Charpy Notched Impact Strength +23 C ISO 179/1eA kJ/m2 10 7 7 10 5 Charpy Notched Impact Strength -30 C ISO 179/1eA kJ/m2 7 6 6 8 5 Density ISO 1183-A g/cm3 1.20 0.03 1.26 0.03 1.23 0.04 1.29 0.03 1.25 0.03 Ash ISO 3451-1 % 10 2 20 2 9 3 19
15、 3 14 3 Melt Flow Rate 260 C/5 kg ISO 1133 cm3/10 minutes Report Mold Shrink Flow Direction (information only) ISO 294-3/4 or ASTM D955 % 0.35 0.25 0.6 0.55 0.5 Mold Shrink Cross Flow Direction (information only) ISO 294-3/4 or ASTM D955 % 0.55 0.55 0.6 0.55 0.5 Heat Deflection Temperature (HDT) 1.8
16、 MPa ISO 75-1/2 C 110 115 105 115 105 Coefficient of Linear Thermal Expansion (CLTE) Flow Direction (information only) ASTM E831 or ISO 11359-2 10-6 mm/(mm*K) 40 30 60 40 45 CLTE Cross Flow Direction (information only) ASTM E831 or ISO 11359-2 10-6 mm/(mm*K) 80 80 60 80 60 Multiaxial Impact Strength
17、 +23 C and 2.2m/s (information only) ASTM D3763, specimen C, 6.6 m/s impact velocity J at maximum force No specification requirement No specification requirement 35 35 30 Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networ
18、king permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15582 Copyright 2013 General Motors Company All Rights Reserved May 2013 Page 3 of 5 Property Standard Note1 Units T1 Mean/ (Range) T2 Mean/ (Range) T3 Mean/ (Range) T4 Mean/ (Range) T5 Mean/ (Range) Multiaxial Impact
19、+22 C (information only) 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 force No specification requirement No specification requirement 35 35 30 Emission Testing of Interior Materials (Odor,
20、 Fogging, Emissions): GMW16853 - - Odor GMW3205-B3 Rating 6 Fogging GMW3235-B-Y1-T2 mg Requirements see GMW16853 Emissions GMW15634 Volatile Organic Compound (VOC) value Semi-volatile Organic Compound (SVOC) value g/g g/g Requirements see GMW16853 Requirements see GMW16853 Note 1: Standard test spec
21、imen and test setup should follow GMW3013. Table 2: Properties Assigned to Type Property Type 10% Glass Filled T1 20% Glass Filled T2 8% Talc Filled T3 18% Talc Filled T4 14% Talc Filled T5 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must sati
22、sfy applicable laws, rules, regulations 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 m
23、aterial specification shall be tested 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 proces
24、s, location of manufacture, etc. If not otherwise agreed, all testing and documentation normally required for initial release must be completed. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without lic
25、ense from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15582 Copyright 2013 General Motors Company All Rights Reserved May 2013 Page 4 of 5 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
26、materials and/or processes and 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 Engin
27、eering department and the supplier. 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 compl
28、iance with the Globally Harmonized 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
29、 Sheet guidance documents where 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 mate
30、rials can be found in MATSPC. 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 Material File reference for Production Part Approval Process (PPAP) material approval. If the decision
31、is made to use a not yet approved material, contact 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
32、 corresponding GM Engineering Standards. 7.2 Acronyms, Abbreviations, and Symbols. ABS Acrylonitrile Butadiene Styrene CLTE Coefficient of Linear Thermal Expansion GHS Globally Harmonized System of Classification and Labeling of Chemicals HDT Heat Deflection Temperature MSDS Material Safety Data She
33、et PC Polycarbonate PPAP Production Part Approval Process SDS Safety Data Sheet SVOC Semi-volatile Organic Compound VOC Volatile Organic Compound 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Material per GMW15582P-ABS-T1Z GMW = GM Worldwide 15582
34、= Sequential number P = Plastics ABS = Acrylonitrile Butadiene Styrene T1 = Type defined in Table 1 Z = Additional Code(s) defined per GMW3013 Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without licen
35、se from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15582 Copyright 2013 General Motors Company All Rights Reserved May 2013 Page 5 of 5 9 Release and Revisions This standard was originated in April 2007. It was first approved by the Global Plastics Team in October 2007. It was first published in
36、February 2008. Issue Publication Date Description (Organization) 1 FEB 2008 Initial publication. 2 MAY 2013 Five year refresh of standard. Added Type 5 material 14% talc filled. (Plastics Global Subsystem Leadership Team) Cross Reference of Replaced Material Coding GMW15582 Material Codes Formerly I
37、dentified As T1 GMP.ABS+PC.006 (GMNA) QK 002511 (GME) T2 QK 002513 (GME) T3 Not applicable T4 Not applicable T5 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-,-,-
