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. AUGUST 2009 Page 1 of 2 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECIF
2、ICATION) NUMBER CEMS G-5, Part V Grades-53 and -53A TITLE: Part V Paints Primers, Grades 53 and 53A CURRENT ISSUE DATE: August 2009 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: December 2003 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CU
3、RRENT REVISION 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
4、 of regulatory limits prior to use. Change Notice: Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive; added section 2.1 “Restricted Chemical Substances” per CEMS B-50. 1.0 APPLICATION This specification covers an air or oven drying synthetic alkyd pr
5、imer for use on production or service parts; suitable for heated paint application when specified with an A suffix. 2.0 SCOPE This specification covers the as-received liquid and the as-applied dry film property requirements of the paint. for sections 3.0, 4.0, 5.0, 7.0, 8.0, 9.0, 10.0 and 11.0: see
6、 Part V General Requirements 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the CEMS B-50 specification. 6.0 PROPERTY REQUIREMENTS (f) 6.1 Liquid Properties Liquid Properties Navistar C
7、olor Designation All Colors Test Designation (d) Weight Per Unit Volume, Min (a) lb/gallon 10.0 ASTM D 1475 kg/liter 1.20 Nonvolatile Content (a) % by Weight, min 58 CEMS GT-1A % by Volume, min 34 CEMS GT-1B Cryptometer (b) Reading, min ft 2 /gallon 500 CEMS GT-2A m2 / liter 12.3 Viscosity, seconds
8、(a) 35 to 55 No. 4 Ford Cup Per ASTM D 1200 Fineness of Grind, North Standard Graduations, min (a) 5.5 ASTM D 1210 Flash Point, min ( c) F 55 ASTM D 56 C 13 Dilution Stability, Hours, min (a) 16 FSTM 4203.1 Storage Stability (a) Appearance Pass CEMS GT-3G Increase in Viscosity, Seconds, max 20 Heate
9、d Paint Stability (e) Increase in Viscosity, Seconds, max 30 CEMS GT-10 Filter Appearance Pass VOC Content, max lbs/gal 4.5 ASTM D 3960 kg/liter 0.54 (a) Most suitable for acceptance testing. (b) For acceptance testing, a cryptometer requirement per CEMS GT-2A may be used in lieu of the hiding power
10、 requirement provided a correlation has been established between results from the specific cryptometer used and the dry film hiding power results per CEMS GT-2B. (c) This requirement will be waived if the paint is ordered for spray applications only and the containers are so marked. Copyright Navist
11、ar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS G-5, Part V Grades -53 and 53A TITLE: Part V Paints Primers, Grades 53 and 53A CURRENT ISSUE DATE: August 2009 This document is restri
12、cted 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. AUGUST 2009 Page 2 of 2 (d) All test designations refer to the latest issue unless otherwise stated. (e)
13、This requirement will be waived for Grade -53. (f) This is a lead and chrome free primer. 6.2 Dry Film Properties Dry Film Properties Navistar Color Designation All Colors Test Designation (d) Initial Gloss at 60 Degrees (a) (g) 10 to 25 CEMS GT-6B South Florida Exposure Surface Condition After 12 M
14、onths Pass CEMS GT7F Gloss, At 60 Degrees After 12 Months Pass Color Change After 12 Months Exposure and Polish Pass Hiding Power Required, max (a), (b) mils 1.5 CEMS GT-2B m 38 Curing Properties on Receipt, (a) 15 Minutes at 93 C (200 F) Pass CEMS GT-22 45 Minutes at 21 to 27 C (70 to 80 F) Toughne
15、ss Pass CEMS GT-4C Hardness, min(a) B CEMS GT-4D Adhesion, min 90 CEMS GT-5A Intercoat Adhesion Tape Appearance Pass CEMS GT-5B Feather Edge Appearance Pass Accelerated Adhesion, % min 90 CEMS GT-5C Color (a) Pass SAE J1545 Immersion Distilled Water, 100 Hours Pass CEMS GT -5C Ethylene Glycol Pass G
16、ravelometer Rating 2A, 4A, or 4B as applicable per CEMS GT 28 SAE J400 Salt Spray, 500 Hours Exposure Dry Film Appearance Pass CEMS GT-7D Corrosion Creepage, max inch 0.06 mm 1.5 Humidity, 500 Hours Exposure Pass CEMS GT-7E Holdout Unsanded Panels, % min 90 CEMS GT-6A Sanded Panels, % min 90 Differe
17、nce Between Unsanded Panels and Sanded Panels, % max 5 Sanding Pass CEMS GT-7B (a), (b), and (d) - see footnotes for Section 6.1 (g) Applicable only to the air dried test panels. 6.3 Test Panel Requirements The number, type, and size of test panels required for each test is described in CEMS Test Method GT-13. Prepare test panels using Method G per CEMS GT-13. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
