1、WORLDWIDEENGINEERINGSTANDARDSMaterial Specification GMW17023PVC Skin, high heat stabilized, UV stabilized,manufactured in Slush-Method Copyright 2013 General Motors Company All Rights ReservedNovember 2013 Page 1 of 71 Scope1.1 Material Description. PVC skin, manufactured in slush-method, high heat
2、and UV stabilized, with nofabric backing, but may include a foam back-layer. The material shall be compounded to be flexible, free fromtackiness. It shall be free from pinholes, pitting or dimpling. The material shall be capable of being routinelyhandled in the manufacturing process without damage.
3、This specification covers material and somemanufactured skin performance requirements.1.2 Symbols. The material abbreviation according to ISO 11469 is PVC 10only cohesive failureallowedFlammability GMW3232 mm/minute SE or 100Colorfastness to Light, Accelerated Xenon Arc per GMW14162Cycle D 300 kJ/m2
4、 and1240.8 kJ/m2Note: Separate test panels arerequired for each exposure-Color Change E 3.0Surface Defects No objectionabledefects allowedAlternatively:Colorfastness to Artificial Light GMW14162 / C / 26 MJ/m2 N/ARating of 4 grayscale or value changeis acceptable. Onlyslight value(lightness), and or
5、chroma (saturation)with no hue change isacceptable. Thereshall be noobjectionabletackiness,blotchiness, loss ofgrain, change ingloss, wrinkling, orother undesirableeffects.Colorfastness to Light, NaturalWeatheringColor ChangeSurface DefectsWeather Resistance perGMW3417-L1-F2-G1-T4.Test at the follow
6、ing intervals:1250 MJ/m2 (| 30 000 Ly),2300 MJ/m2 (| 55 000 Ly),3350 MJ/m2 (| 80 000 Ly),4400 MJ/m2 (| 105 000 Ly).Test specimen required to bereturned to customer at eachinterval.- E 3.0No objectionabledefects allowedScuffing and Marring (LinearAbrasion)GMW14125 Code H X6 - Slight marring and noscu
7、ffing areacceptableCopyright 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 GMW17023 Copyright 2013 General Motors Company All Rights ReservedNovembe
8、r 2013 Page 5 of 7Properties Standard Unit ValueCompatibility/Migration Staining(If the PVC adjoins other materialsthe parts must be tested incombination with each other.)Place a 50 mm x 50 mmsection of each part in contactwith one another, face to face,between glass isolator plates(20 g) of the sam
9、e dimensions.Place a 900 g mass on top ofthe assembly to provide3.53 kPa pressure.Place the assembly in an aircirculating oven at (+70 2) Cfor 72 h.At the end of exposure allowthe specimens to remain incontact while they come toambient temperature conditionsfor 24 h.Separate specimen slowly byhand a
10、nd record observations.- There shall be nostaining,discoloration,migration or transferof one material to theother, tackiness orsoftening of eithermaterial.Emission Testing of InteriorMaterials (Fogging, Odor,Emissions, Carbonyls, Amines):GMW16853x Odor GMW3205 Rating 6x Fogging GMW3235-B mg Requirem
11、ents seeGMW16853x EmissionsGMW15634VOC valueSVOC valueg/gg/gRequirements seeGMW16853Resistance to Perspiration GMW14334 Code C Rating Rating 1Resistance to Cleaning Agents Apply 1 ml each of commercialwindow cleaner andcommercial vehicle cleaningagent in separate locations tothe sample. Wait 60 s th
12、en rubthe area with | 50 mm longstrokes for 10 double rubsusing a folded cheesecloth.Allow the sample to conditionfor 24 h prior to evaluating.There shall be noobjectionable soiling,staining or change inappearance. Ratingof 4 gray scale orvalue change isacceptable.Sunscreen and Insect RepellentResis
13、tanceGMW14445 Test one (1)specimen asreceived. Spread thechemical over thespecimen using aglass stirring rod.Effect of Amines GMW14131 - No odor similar togarlic or otheroffending odor.Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduc
14、tion or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW17023 Copyright 2013 General Motors Company All Rights ReservedNovember 2013 Page 6 of 73.4 Painted Plastic Components (GMW14797).3.4.1 Application. Painted Plastic Parts.3.4.2 Requirement. Painted parts
15、shall be tested according to GMW14797 and shall be listed in the GMApproved Paint on Parts Systems (APOPS) unless otherwise specified on the part engineering drawing. Onlypaints approved in MATSPC to GMW specifications with MATSPC approved substrates shall be used.4 Manufacturing ProcessNot applicab
16、le.5 Rules and Regulations5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendationsvalid in the country of usage.5.2 Language. In the event of conflict between the English and domestic language, the English language shalltake precedence.5.3 Inspection
17、and Rejection. Samples of components or materials released to a GM material specificationshall be tested for conformity with the requirements of this material specification and approved by theresponsible Engineering department prior to commencement of delivery of bulk supplies.A new approval must be
18、 received for any changes, e.g., properties, manufacturing process, location ofmanufacture, etc. If not otherwise agreed, all testing and documentation normally required for initial releasemust be completed.It is the responsibility of the supplier to inform the customer in a timely manner, without s
19、olicitation, and toinclude 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 documented by the supplier prior tocommencement of delivery of non-conforming bulk supplies. In individual cases
20、, a shorter test can be agreedto between the responsible Engineering department and the supplier.5.4 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when achange in chemical composition of an existing product has occurred, a complete copy of the Material Sa
21、fetyData Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System ofClassification and Labeling of Chemicals (GHS) requirements or other country-specific MSDS/SDSrequirements. In addition, product MSDS/SDS submissions must be in compliance with specific countryGene
22、ral 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 GMW3059, Restricted andReportable Substances for Parts.6 Approved SourcesMaterials supplied to this specification must be
23、 approved by General Motors.A list of approved materials can be found in MATSPC. This GM Material File is provided to third parties toreduce redundant testing of materials. If approved material already listed is used, the part supplier can use GMMaterial File reference for Production Part Approval P
24、rocess (PPAP) material approval. If the decision is madeto use a not yet approved material, contact responsible engineering group for details on the approval process.The material approval process must be completed prior to PPAP start date of the part supplied to GeneralMotors.7 Notes7.1 Glossary. No
25、t applicable.MATSPC: Global repository of GM approved materials for corresponding GM Engineering Standards.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 ENGINEE
26、RING STANDARDS GMW17023 Copyright 2013 General Motors Company All Rights ReservedNovember 2013 Page 7 of 77.2 Acronyms, Abbreviations, and Symbols.GHS Globally Harmonized System of Classification and Labeling of ChemicalsMSDS Material Safety Data SheetPPAP Production Part Approval ProcessSDS Safety
27、Data SheetTNR Temperature Normalized RadiationPVC Polyvinyl Chloride8 Coding SystemThis standard shall be referenced in other documents, drawings, etc., as follows:Material per GMW17023P-PVCWhere:GMW = GM Worldwide17023 = Sequential numberP = PlasticsPVC = Polyvinyl Chloride9 Release and RevisionsTh
28、is standard was originated in July 2013. It was first approved by Plastics GSSLT in July 2013. It was firstpublished in July 2013.Issue Publication Date Description (Organization)1 JUL 2013 Initial publication.2 NOV 2013 Tables 2 thru 4: Referenced ISO 527-3 expanded by test piece and test speed(Plastics GSSLT)Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
