1、This document is restricted and may not be sent outside Navistar or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 Navistar, Inc. AUGUST 2009 Page 1 of 2 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECIFICATION)
2、NUMBER: CEMS G-5, Part V Grade-54 TITLE: Part V Paints Primers, Grade -54 CURRENT ISSUE DATE: August 2009 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: February 2002 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specif
3、ication 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 limits prio
4、r 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 a synthetic flash drying primer with excellent adhesions and corro
5、sion resistance. This primer is a suitable substrate for all topcoats. 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 Part V General Requirements 2.1 Restricted
6、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 6.1 Liquid Properties Liquid Properties Navistar Color Designation All Colors Test Designation (d)
7、 Weight Per Unit Volume, Min (a) lb/gallon 10.0 ASTM D 1475 kg/liter 1.20 Nonvolatile Content (a) % by Weight, min 53 CEMS GT-1A % by Volume, min 31 CEMS GT-1B Cryptometer (b) Reading, min ft 2 /gallon 830 CEMS GT-2A m2 / liter 20.4 Viscosity, seconds 30 to 40 No. 4 Ford Cup Per ASTM D 1200 Fineness
8、 of Grind, North Standard Graduations, min (a) 7.0 ASTM D 1210 Flash Point, min (c) F 55 ASTM D 56 C 13 Dilution Stability, Hours, min (a) 16 FSTM 4203.1 Storage(a) Stability Appearance pass CEMS GT-3B Increase in Viscosity, Seconds, max 15 VOC lbs/gal, max 5 ASTM D 3960 kg/liter, max 0.6 (a) Most s
9、uitable for acceptance testing. (b) For acceptance testing, a cryptometer requirement per CEMS GT-2A may be used in lieu of the hiding power 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
10、. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHSNUMBER: CEMS G-5, Part V Grade-54 TITLE: Part V Paints Primers, Grade -54 CURRENT ISSUE DATE: August 2009 This document is restricted
11、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 Navistar, Inc. AUGUST 2009 Page 2 of 2 (c) This requirement will be waived if the paint is ordered for spray applications only a
12、nd the containers are so marked. (d) All test designations refer to the latest issue unless otherwise stated. 6.2 Dry Film Properties Dry Film Properties Navistar Color Designation All Colors Test Designation (d) South Florida Exposure Surface Condition After 12 Months Pass CEMS GT 7F Gloss, At 60 D
13、egrees After 12 Months Pass Color Change After 12 Months Exposure and Polish Pass Hiding Power Required, max (a), (b) mils 8.0 CEMS GT-2B m 20 Curing Properties on Receipt, 30 Minutes at 121 C (250 F) (a) Pass CEMS GT-22 Toughness Pass CEMS GT-4C Hardness, min(a) 2B CEMS GT-4D Adhesion, min 95 CEMS
14、GT-5A Accelerated Adhesion, % min 90 CEMS GT-5C Color (a) Pass FSTM 4250 Immersion Distilled Water, 100 Hours Pass CEMS GT-7G Ethylene Glycol Pass CEMS GT-7J Gravelometer 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 Cor
15、rosion Creepage, max inch 0.03 mm 0.76 Humidity, 500 Hours Exposure Pass CEMS GT-7E Holdout, % min 95 CEMS GT-6D (a), (b), and (d) - see footnotes for Section 6.1 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 I per CEMS GT-13. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for Resale-,-,-
