1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW15066 PUR Foam (Flocks Compound) for Seat Side Reinforcements Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 1 of 6 1 Scope 1.1 Material Description. Polyurethane (PUR) foam from foam wastes (flocks compound). 1.2 S
2、ymbols. Not applicable. 1.3 Typical Applications. Foam for reinforcement cushion overlayer, e.g., seat back at the side. 1.3.1 Types. 1.3.1.1 Type 1. This type has a density of 90 kg/m to 120 kg/m and a compression load deflection of 9 kPa to 12 kPa. 1.3.1.2 Type 2. This type has a higher density of
3、 110 kg/m to 130 kg/m and a higher compression load deflection of 15 kPa to 25 kPa. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. FMVSS 302 ISO 845 ISO 1856 ISO 3386-1 ISO 105-A02 ISO 1798 ISO 1923 2.2 GM Stand
4、ards/Specifications. GMW3059 GMW3235 GMW6992 GMW15634 GMW3205 GMW3259 GMW14131 GMW15635 GMW3221 GMW4659 GMW14357 GMW16853 GMW3232 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents (available at ). 3 Requirements 3.1 General. For the finished part only, foam flocks of ne
5、arly equal hardness may be applied. The origin of the foam wastes shall be noted on the certification data form. 3.2 Test Piece and Number. If it is not possible to take test pieces from molded part, than suitable plates shall be manufactured for the test (taken from equal manufacturing process, rec
6、ipe of foam and density). The test piece shall be taken without skin and in rising direction of foam. 3.3 Conditioning. Immediately prior test, all test pieces shall be pre-dried at +70 C 3 C and conditioned. The pre-drying period shall be 16 h for tests conducted after humidity aging to GMW14357 an
7、d shall be 3 h for other tests. Following pre-drying, all test pieces shall be conditioned to GMW3221, Code A. 3.4 Required Performance Values. All requirements listed in Table 1 shall be fulfilled by the delivered foam and shall be documented by the supplier in the Foam Certification Data Form. 3.5
8、 Basic Foam Physical Properties. All requirements listed in Table 2 shall be fulfilled by the delivered foam and shall be documented by the supplier in the Foam Certification Data Form. Values indicated with “TBD” (“to be determined”) shall be documented and may be noted on the drawing/in the math d
9、ata for production quality check purposes. Values indicated with “N/A” (“not applicable”) are not required. Documentation of additional properties may be required by the approving region. Test Report according to GMW16853 has to be submitted to the time of approval (see Table 3). Copyright General M
10、otors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15066 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 2 of 6 Table 1: Required Perf
11、ormance Values for Documentation Performance Test Procedure Specified Value Flammability GMW3232 Must comply to FMVSS 302 Emission Testing of Interior Materials (Odor, Fogging, Emissions): GMW16853 Resistance to Odor GMW3205 Wet condition (Code A3) Requirements see GMW16853 Dry condition (Code B3) R
12、equirements see GMW16853 Fogging GMW3235, Method B-Y1-T1 (gravimetric, 1 day pre-drying, +90 C test temperature) Requirements see GMW16853 Emissions GMW15634 Volatile Organic Compound (VOC) value Requirements see GMW16853 Semi-volatile Organic Compound (SVOC) value Requirements see GMW16853 Aldehyde
13、s/Ketones GMW15635 Formaldehyde Requirements see GMW16853 Acetaldehyde Requirements see GMW16853 Acrolein Requirements see GMW16853 Sum C2 to C6 Carbonyls Requirements see GMW16853 Steam Autoclav PUR-Foam-Polyether: 5 h, +120 C 3 C, GMW14357-E No visible degradation, specified values per Table 2. PU
14、R-Foam-Polyester: 3 h, +105 C 3 C, GMW14357-D No visible degradation, specified values per Table 2. Mildew Note 1 GMW3259 No mildew Compatibility Note 2 GMW4659 Color Stability of the Cover Layer Color Change Shade Change (if cover layer is leather or plastic roll good only) Visual Evaluation to GMW
15、6992: No color change, slight darkening permissible. Grayscale to ISO 105-A02 Rating 3 Other Changes No adverse changes of shape, surface as the physical and chemical properties. Note 1: Required only if natural fibers are present in the construction. Note 2: Foam shall meet compatibility in the pro
16、duction intended composite. The test pieces shall be sewn or welded (dependent on use), using production techniques, to all possible combinations of composite materials taken at the same time from production to form a test pack. Note: For any changes in the quality of any of the composite materials,
17、 compatibility tests shall be repeated. At the discretion of the approving GM Engineer, foam material may be tested to standard composite materials for initial foam approval, e.g., a standard vinyl. Nevertheless, final foam approval shall be archived in the production intended composite. Copyright G
18、eneral 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 GMW15066 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 3 of 6 Table 2: Basic
19、 Foam Physical Properties Property Test Method Unit Type 1 Type 2 Density ISO 845 Note 1 kg/m 90 to 120 110 to 130 Compression Load Deflection ISO 3386-1 kPa 9 to 12 15 to 25 Compression Set at 50%, 70 h at +23 C 5 C ISO 1856-C As received condition % 15 15 After Steam Autoclav (see Table 1) % TBD N
20、ote 2 TBD Note 2 Tensile Strength ISO 1798 kPa 74 74 Elongation at Break ISO 1798 % 60 60 Note 1: Determination of linear dimensions per ISO 1923. But compressive force of foot is 500 Pa (0.5 kPa) 5% and a 50 mm 0.1 mm diameter pressure. All readings should be taken after the pressure foot has been
21、in contact with the material for at least 5 s. Note 2: Values indicated with “TBD” (“to be determined”) shall be documented and may be noted on the drawing in the math data for production quality check purposes. Table 3: Test Reporting According to GMW16853 Note: Enter only test values that are appl
22、icable for the material/part. If a test or a test option is not applicable, mark the result cell with “N/A”. General Information Model Year/Vehicle/Project Number Assembly/Part Name: Assembly/Part number: Assembly/Part dimension: Weight (for cut goods weight of 1 m): Material/Composite Raw material
23、supplier(s) and trade name(s) of all used materials: Vendor name (with address) also manufacturer name and address (if different) Manufacturing date: Date of sampling Date of packing/wrapping Test lab (when external GM, also provide address and contact person) Test Results GMW3205 Odor Number of sam
24、ples 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 GMW15066 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 4 of
25、6 General Information Weight to test container Ratio for non-weighable parts Specification Value Measured Value Result Method A 6.0 Result Method B 6.0 Result Method C 6.0 Comments/Remarks: GMW3235 Fogging Number of samples: Instrumentation used: Test procedure Method A, reflection Method B, gravime
26、tric Specification Value Measured Value Result Method A, (in percent (%) reflection Result Method B, (in mg) Comments/Remarks GMW15634 VOC/SVOC Emissions Note: Also the complete list of emitted single substances and chromatograms shall be included to the report, for template see GMW15634. Number of
27、samples Weight to test container Specification Value Measured Value Result VOC (in mg/kg) Result SVOC (in mg/kg) Comments/Remarks GMW15635 Carbonyl Emissions Note: For applicability see paragraph 3.4.4.1 of this standard Number of samples Weight to test container Water content of the samples Specifi
28、cation Value Measured Value Result Formaldehyde (in mg/kg) Result Acetaldehyde (in mg/kg) Result Acrolein (in mg/kg) Result Aceton (in mg/kg) For information only Sum Value C2-C6 Carbonyls (in mg/kg) 20 Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for
29、 ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15066 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 5 of 6 General Information Comments/Remarks GMW14131 Test passed Test not applicable GM internal evaluation
30、: OK Not OK GM representative (regional contact) Location/Date 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 Language. In the event of confli
31、ct 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 tested for conformity with the requirements of this material specification and approved by the r
32、esponsible 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. If not otherwise agreed, all testing and documentation normally required for initial release m
33、ust 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 to apply for a new release. If not otherwise agreed, all release tests shall be repeated and
34、 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 supplier. 5.4 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissi
35、ons, 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 (GHS) requirements or other country-s
36、pecific 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. 5.5 All materials supplied to this standard must comply with the requirements of
37、 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. This GM Material File is provided to third parties to reduce redundant testing of materials.
38、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 is made to use a not yet approved material, contact Materials Engineering for details on the approval process. The material
39、 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 Engineering Standards. Copyright General Motors Company Provided by IHS under license with General Motors
40、 CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15066 Copyright 2013 General Motors Company All Rights Reserved June 2013 Page 6 of 6 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System of Classific
41、ation and Labeling of Chemicals MSDS Material Safety Data Sheet N/A Not applicable PPAP Production Part Approval Process PUR Polyurethane SDS Safety Data Sheet SVOC Semi-volatile Organic Compound TBD To be Determined VOC Volatile Organic Compound 8 Coding System This standard shall be referenced in
42、other documents, drawings, etc., as follows: Example: Material per GMW15066 Type 1. Where: Type 1 indicates the material type per 1.3.1. 9 Release and Revisions This standard was originated in February 2006. It was first approved by the Global Foam Team in October 2006. It was first published in May
43、 2008 Issue Publication Date Description (Organization) 1 MAY 2008 Initial publication. 2 JUN 2013 Five year refresh of draft. Added GMW16853 requirements. (Textiles & Trim Materials Global Subsystem Leadership Team) Cross Reference of Replaced Specifications GMW15066 Material Codes Replaced Specifications Type 1 TM 583300 (GME) Type 2 TM 603300 (GME) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
