1、This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 1 of 5 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECI
2、FICATION) NUMBER: CEMS G-5, Part IA TITLE: Paint Part IA, Product Finishing Requirements CURRENT ISSUE DATE: OCTOBER 2009 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: June 2008 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION
3、 This specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicability of regulatory
4、 limits prior to use. Change Notice: Revised Table I film thickness requirement for primer (for Classes A, B, and D) to minimum 0.6 mils (or 15 m); changed footnote (3) to same requirement; editorial changes. 1.0 SCOPE The intent of this specification is to establish acceptable durability and qualit
5、y levels for the finish on Navistar products and to define requirements and physical properties of the various materials used in the painting operation. 1.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the r
6、equirements of the CEMS B-50 specification. 2.0 INTRODUCTION CEMS G-5 is divided into eight parts as follows: Part IA - Product Finishing Requirements Part V - Primers Part IB - Paint Material Requirements Part VI - Paints for Repair and Service Part II - Topcoats Part VII - Deleted Part III - Chass
7、is, and Miscellaneous Paints Part VIII - Engine Paints Part IV - Casting Sealers Part IA - Outlines classes of finish for Navistar parts, components, and products. It defines requirements and describes physical properties, which govern durability, corrosion protection, and overall appearance quality
8、. Part IB - Outlines the procedure for specifying paint materials covered in the CEMS G-5 specification. Parts II thru VIII - Details specific liquid properties and dry film requirements for all paint materials used by the Company. The dry film requirements described in these seven sections apply to
9、 painted test panels evaluated under laboratory conditions. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS G-5, Part IA TITLE: Paint - Product Finishing Requirements
10、 CURRENT ISSUE DATE: OCTOBER 2009 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 2 of 5 PART IA - PRODUCT FINIS
11、HING REQUIREMENTS 3.0 CONTENTS PAGE REFERENCE DOCUMENTS 2 GENERAL REQUIREMENTS 2 QUALITY 4 METHODS OF TEST 4 SOURCE APPROVAL AND QUALITY CONTROL 4 DESIGNATION ON DRAWINGS AND PURCHASE ORDERS 5 4.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall appl
12、y. The following standards, specifications and regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 NAVISTAR CEMS GT-6B ASTM D 4138 NAVISTAR Manufacturing Standard MS-D-13 NAVISTAR CEMS GT-7D ASTM D 1729 CFR Title 29, Part 1910 NAVISTAR CEMS GT-7E SAE J2334
13、NAVISTAR CEMS B-50 NAVISTAR CEMS GT-23 SSPC-VIS-2 NAVISTAR CEMS GT-4D NAVISTAR CEMS GT-29 NAVISTAR CEMS GT-5A ASTM D 1186 5.0 CLASSIFICATION Paint grades are classified by chemical composition, durability and application. 5.1 Class of Finish The Class of finish for specific products will be establis
14、hed by appropriate design engineering personnel in conjunction with the Industrial Design and Materials Engineering Groups. This specification will form the basis for uniform inspection standards for both manufactured and purchased parts. All materials utilized must conform to the requirements for t
15、he appropriate Class and Grade for the finish specified. All deviations from this specification must be approved by the appropriate Materials Engineering Department. 6.0 GENERAL REQUIREMENTS This specification is not intended to limit or specify the metal pretreatment or painting process but note th
16、at iron phosphate is not recommended for zinc- or aluminum-coated substrates. When a chemical surface pretreatment is required, any process, such as zinc- or iron-phosphate, acid wash prime, or conversion coating applied by spray, immersion, or steam cleaning, which results in finished parts meeting
17、 the requirements of this specification, will be approved. However, all systems from new vendors or deviations to this specification or changes in currently approved systems must be approved by Materials Engineering. 6.1 Finish Requirements All parts, whether painted by Navistar or purchased, will b
18、e finished with paints which meet all dry film requirements of the CEMS G-5 grade specified unless otherwise designated on the part drawing or purchase order. The resultant coating must match the appropriate Navistar color standard as well as meet all of the requirements for the appropriate finish c
19、lassification as shown in Table I. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS G-5, Part IA TITLE: Paint - Product Finishing Requirements CURRENT ISSUE DATE: OCTO
20、BER 2009 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 3 of 5 TABLE I - FINISH CLASSIFICATION(1) AND REQUIREME
21、NTS FOR PAINTED PARTS Part/Finish Classification Class A(C(2) ) Class B Class D Class E Class F Class G Decorative Nondecorative and Small Part Interior Frame and Chassis Engine (4 ) Castings (4) SURFACE PREPARATION MetalCoating Type Zinc Phosphate (Immersion or Spray) System, or Conversion Coating
22、Solvent Wipe Shot or grit Blast Ferrous Coating Weight, mg/ft2 200-400 for Zinc Immersion Systems 170-250 for Zinc Spray Systems - - Non Ferrous Coating Weight, mg/ft2 150-250 for Zinc Immersion Systems 75-150 for Zinc Spray Systems - - Nonmetal Preparation per accepted industry standards - PRIMER M
23、etalFerrous Film Thickness, min 15(3) 15 (3) 15(3) 15 25 25 mil 0.6(3) 0.6(3) 0.6(3) 0.6 1.0 1.0 Non Ferrous Film Thickness, min m 15 (3) 15 (3 15 (3 15 25 25 mil 0.6 (3) 0.6 (3) 0.6 (3) 0.6 1.0 1.0 Nonmetal Film Thickness, min m 25 - - - - - mil 1.0 - - - - - Salt Spray Hours 500 250 - 250 100 100
24、(9) Corrosion Creepage, max mm 0.8 1.5 - 1.5 1.5 - inch 0.03 0.06 - 0.06 0.06 Humidity, Hours, Pass 500 250 100 250 100 100 Cyclic Corrosion Cycles 60 30 - - - - Corrosion Creepage, max mm 0.8 1.5 inch 0.03 0.06 Orange Peel, Min (5 ) 7 - - - - - Gloss - - - - 5-25 5-25 Adhesion, % 90 90 90 90 90 90
25、Hardness HB HB HB HB H B TOP COATS Film Thickness, min. unless specified as a range, mil (m) 1.7-9.5 (43-241) (6 ) (7 ) 1.5 (38) 1.0 (25) 1.0 (25) - Initial Gloss 20, min unless otherwise specified 80 As Specified - Hardness, min HB HB B B - Adhesion, % min 90 90 90 90 - Salt Spray Exposure Hours 50
26、0 - 250 100 - Corrosion Creepage, max mm 0.8 - 1.5 1.5 - inch 0.03 - 0.06 0.06 - Humidity, Hours, Pass 500 100 250 100 - Cyclic Corrosion Exposure Cycles 60 - - - - Corrosion Creepage, max mm 0.8 inch 0.03 Color Match Navistar Standard Orange Peel Reflected Light, Min (8) 6.0 - - - - Humidity, Hours
27、, Pass 500 100 - - - (footnotes next page) Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS G-5, Part IA TITLE: Paint - Product Finishing Requirements CURRENT ISSUE DA
28、TE: OCTOBER 2009 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 4 of 5 (1) See Appendix - General Information f
29、or cross reference to TMS-9009 Finish Classification. (2) Class C is obsolete. Parts, such as bumpers, wheels, hubcaps, etc., formerly designated as Truck Group Class C finish, and all existing drawings, blueprints, purchase orders, etc., which specify Class C finish will meet the requirements of Cl
30、ass A finish. Class C finish will not be used on new drawings and/or part releases. (3) Minimum film thickness for cathodic E-Coat primer is 0.6 mils (15 m) for both steel and aluminum. (4) Class F - Primers used for Class F and Class G must be compatible for recoating with Grades -81H and/or -81W e
31、ngine topcoats. (5) Comparison test: Orange peel comparison standards are available from Advanced Coatings Technologies, Inc., P.O. Box 401, 273 Industrial Drive, Hillsdale, MI 49242 (6) Minimum film thickness requirements for BC/CC are: Base Coat 0.8 mils (20 m); clear coat 1.5 mils (38 m). Basecoa
32、t must pass black/gray Morest hiding. (7) For painted wheels - top coat film thickness will not exceed 2.3 mils (58 m). (8) See International CEMS GT-29. (9) Test on as-cast parts prior to machining. Castings are not to be scribed and will be rated visually per SSPC-VIS- 2, controlled by the Society
33、 for Protective Coatings, to assign the appropriate “Rust Grade and Distribution“. A minimum rating of Grade 7 is required. 7.0 QUALITY All painted surfaces will be free from sags, runs, dirt, seediness, orange peel, dry spray, dents, scratches, pits, gouges, and weld spatter when viewed with the un
34、aided eye. The supplier should be capable of providing statistical evidence that products supplied to the requirements of this specification have been produced using manufacturing processes which are in statistical control and are competent to meet the requirements of this specification. The purchas
35、er may request results of the suppliers quality control tests on each shipment. 8.0 METHODS OF TESTS Unless otherwise specified, tests will be run in accordance with the following test procedures except the finished part or sections of the finished part, are to be used in place of the test panels. T
36、est Procedure* Hardness CEMS GT-4D Gloss CEMS GT-6B Orange Peel, Reflected Light CEMS GT-29 Salt Spray CEMS GT-7D/ASTM B117 Cyclic Corrosion CEMS GT-7D/SAE J2334 Humidity CEMS GT-7E Adhesion CEMS GT-5A Color ASTM D 1729 Phosphate Coating Wt. CEMS GT-23 Film Thickness Non-Destructive ASTM D 1186 Dest
37、ructive ASTM D 4138 *Copies of Navistar CEMS GT test methods must be purchased from IHS Global Inc., 15 Inverness Way East, Englewood, CO 80112 (1-800-854-7179; or internet http:/ ). ASTM Test Methods are available from American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 1
38、9103 (or http:/www.astm.org). Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS G-5, Part IA TITLE: Paint - Product Finishing Requirements CURRENT ISSUE DATE: OCTOBER 2
39、009 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. OCTOBER 2009 Page 5 of 5 9.0 SOURCE APPROVAL AND QUALITY CONTROL 9.1 Supplier
40、Requirements All suppliers to NAVISTAR are required to be registered to ISO 9001 Quality System Requirements. NAVISTAR will also accept TS-16949 registration as long as the supplier can also fulfill all AIAG PPAP (Production Part Approval Process) documentation and approval requirements. Suppliers m
41、ust maintain their certification with an accredited registrar and must furnish copies of registration certificates to their Corporate Buyer upon request. 9.2 Approval Parts supplied against contracts or purchase orders citing this specification shall be equivalent in all respects to those samples, w
42、hich were approved by the purchaser. No changes in formulation or processing practices are permitted without approval. In the event that changes in material, properties, processing practices, construction, color, or labeling of the product are required, the supplier shall notify Materials Engineerin
43、g, Truck Development and Technology Center and Purchasing and Supplier Development of the proposed change(s). Test data indicating conformance to all requirements of this specification, test samples, and new or amended or updated Material Safety Data Sheet(s) (MSDS), in accordance with CFR Title 29,
44、 Part 1910 shall be submitted with the request for change. 9.3 Process Control The supplier shall either perform and report results of tests on specific lots of parts produced using ISO 9001 or TS-16949 guidelines, or provide statistical evidence of the lot having been produced in a state of statist
45、ical control and with a process capable of providing all required properties. The part supplier and the plant metallurgist and/or the quality control manager of the using International plant may determine testing and reporting requirements on specific products. 10.0 DESIGNATION OF DRAWINGS AND PURCH
46、ASE ORDERS Finishing requirements on drawings and purchase orders will include color and finish class. Examples: FINISH: NAV 0311 Orange, Class B, CEMS G-5, Part IA. FINISH: NAV 0001 Black, Class F, CEMS G-5, Part IA. 11.0 TECHNICAL INFORMATION For further information related to the technical conten
47、t of this specification, contact: Suppliers may purchase controlled copies of this specification by contacting: Materials Engineering and Technology Dept. Truck Development and Technology Center 2911 Meyer Road Fort Wayne, IN 46803 E-mail: MaterialsEngineeringN IHS Global Inc. 15 Inverness Way East
48、Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/ Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This document is restricted and may not be sent outside Intern
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