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1、GENERAL MOTORS ENGINEERING STANDARDS I Materials and Processes - Palnt 1 RUST REMOVER, BODY-IN-WHITE 9984116 1 SCOPE. This specification covers the nquirtmnts for aphosphaterustremovermaterialthatwillbeusedaa wipe ama ahead of the phosphate systeu These mat&ah may bc applied on a fully or partially
2、assembled automobile or truck body prior to paint processing. 1.1 Sincetheconditionofthemctalsurfacciscriticaltothc proper performance of the phosphate, the materials used under this specification must not adversely aflect the formation of the proper phosphate coating. Therefore these mat& am con- s
3、idend part of the metal prctrcatmcnt process and shall be supplied by the phosphate vendor in each plant. Any cxcep- tions to this rule must be first approved by the GM North Ararican Opuations (NAO) Paint Ehgiucuing Depamm 1.2 Specified herein are the material rcquircmcnts per the GM NAO, Paint Eng
4、ineering Depastment. These specifications are used to verify that the materials have been processed to produce a fmishcd product of quality consistent with that proven in initial qualification testing. 1.3 RESTRICTED AND REPORTABLE CHEMICALS (GMlOOOM). By 1997 start of saleable vehicles, all materia
5、ls supplied to this specification must comply with the rquirc- ments listed in GMlOOOM, “Restricted and Reportable chemicals.” 2 REFERENCED STANDARDS. GMlOOOM GM4389M GM4386M ASTM 092 3 REQUIREMENTS. Sa the general phosphate spccifi- cation (GM4386M) for additional requirements and rcquimmcnt detail
6、s not listed in this specification. 3.1 AR mquimmuus for the rust rcmow shall be tested for performance versus a currently approved phosphate system without rust remover mamiaL 3.2 RUST REMOVAL. The material shall efficiently remove blush rust from specially prepared GM CRS panels. The rust panels c
7、an be prepared by solvent cleaning and exposing the panels in a standard humidity cabiiet for approx- imately 18 h The panels shall be allowed to dry 24 h after exposuxc prior to rust removal. 3.3 PANEL, PREPARATION. See GM4386M. Must meet the nquirements listed in GM4386M. 3.1 to 3.4.6 and 3.58. pe
8、rform these tests for all substrates listed in GM4386M, 3.4.1 (only CRS and EG needed for 3.5.8). The number of panels pertestshouldbetbesamasthatlistedinnsquiredprocG dure or GM4386M. 3.4 FLASH POINT (ASTM D92). These materials must have a flash point no kss than 12OC. 35 VOLATILE ORGANIC CONTENT.
9、Any qualified material must have a VOC level no gmater than 60 kg/ma. 4 PROCESS REQUIREMENTS. 4.1 MIXING. The compound must be a concentrate which can be applied to the body in a concentration ranging from a 1 to 101 dilution with plant water, to be specified by the sup- plier. 4.2 FUNCI IONAL REQ W
10、S. The material must perform satisfactorily in the specified production application. Failure to do so shall constitute mason for rejection regardless of compliance with the other requirements of this specification. 4.3 QUALITY CONTROL REQ UIREMEPIJTS. In addition to meeting all of the above &tailed
11、requirements, all subsc- qucnt lots of an approved compound will be required to ms& the standards of composition established in the originally approved lot. Reference original in&amd spectra and gas chro- lIUltOgl%UIlS. 5 INlllAL SOURCE APPROVAL No shipment shall be made by any supplier until mprcse
12、ntative initial production samples have been approved by engineering as meeting the lmpiremcnts of this specification. 5.1 Completed copies of the GM Material Safety Data Shat and Critical Matuial Register (available hrn the engineering department or laboratory), or equivalent, must be submitted wit
13、h any new submissions or where a composition change has 6 SOURCE SHIPMENT RESPONSIBILllY. It will be the responsibility of the supplier to insutc that the mat&al is not exposed to tcmpames during shipnt which would cause the material to fail to meet any of the rcquirc- nnxlts of this specification.
14、7 INSPECTtON AND REJECTION. All shipments of material or parts under contract or purchase order manufac- tured to this specification shah be equivalent in every rcspcct to the initial samples approved by engineering. Them shall be no changes in either formulation or manufacturing processes permitted
15、 without prior notification and approval by engiueer- ing. Lack of notification by the supplier constitutes grounds for rejection of any shipment. While samples may be tak.en from incoming shipments and chcckcd for conformance to this spaification, the supplier shaIl accept the responsibility for in
16、coming Shipments nm%ing this specification without dcpen- dence upon purchaser s inspection. In addition the supplier shall be responsible for submitting a CERTIFICATE OF ANALYSIS with each batch of material arriving at a plant. This documnt shall be prepared and provide data in accord- anawiththerc
17、q uinmcnts &tailed in GM4389M. 8 APPROVEDSOURCES. Engineering qualification of an approved source is rquircd for this specification. Only sourccslistcdintheGMCorporateMatuiaBFiieundcrthis specification number have been qualified by engineering as mating the rquitcments of this specification. Sources
18、 am available through the on-line MATSPC System APRIL 1994 PAGE 1 9964116 Copyright General Motors North America Provided by IHS under license with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/23/2008 21:20:24 MDTNo reproduction or networking permitted without license fro
19、m IHS -,-,- - =IOOb37=l OOOY510 003 I t GENERAL MOTORS ENGINEERING STANDARDS I Materials and Processes - Palnt I RUST REMOVER, BODY-IN-WHITE 9984116 9 GENERAL INFORMATION. This specification was originated in Dcccmk 1986. The latest revisions include: Rev Date Description Div A 3/88 Complete Revision PT B 2494 Complete Revision PT 9964116 PAGE 2 APRIL 1994 Copyright General Motors North America Provided by IHS under license with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/23/2008 21:20:24 MDTNo reproduction or networking permitted without license from IHS -,-,-
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