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 Grade-52 TITLE: Part V Paint - Primers Grade -52 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 Th
3、is 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 li
4、mits 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 a synthetic baking primer for use on fiberglass reinforce
5、d plastic (FRP). 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 Chemical Substances Effective January 1, 2007, all pro
6、duct 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 Color Designation All Colors Test Designation (d) Weight Per Unit Volume, Min (a) lb/gallon 11.0 ASTM D 1475 kg/
7、liter 1.32 Nonvolatile Content (a) % by Weight, min 55 CEMS GT-1A % by Volume, min 35 CEMS GT-1B Cryptometer (b) Reading, min ft 2 /gallon 830 CEMS GT-2A m2 / liter 20.4 Viscosity, seconds 45-55 No. 4 Ford Cup Per ASTM D 1200 Fineness of Grind, North Standard Graduations, min (a) 7.0 ASTM D 1210 Fla
8、sh Point, min F 55 ASTM D 56 C 13 Dilution Stability, Hours, min (c) 16 FSTM 4203.1 Storage Stability (a) Appearance Pass CEMS GT-3B Increase in Viscosity, Seconds, max 30 Mainly for a guide in acceptance testing; not firm requirements. Also, for plural component primers, all liquid property tests m
9、ust be performed within one hour after the components have been thoroughly mixed together in their proper ratio per manufacturers recommendation. (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 req
10、uirement provided a correlation has been established between results from the specific cryptometer used and the dry film hiding power results per CEMS GT-2B. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted wi
11、thout license from IHS-,-,-NUMBER: CEMS G-5, Part V Grade-52 TITLE: Part V Paint - Primers Grade -52 CURRENT ISSUE DATE: August 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 a
12、ssume all patent liability. 2009 by Navistar, Inc. AUGUST 2009 Page 2 of 2 (c) For plural component primers, a minimum dilution stability (pot life) of 8 hours or per production requirements. (d) All test designations refer to the latest issue unless otherwise stated. 6.2 Dry Film Properties Dry Fil
13、m Properties Color Designation All Colors Test Designation (d) Initial Gloss at 60 Degrees 50-80 CEMS GT-6B South Florida Exposure Surface Condition After 12 Months Pass CEMS GT 7F Gloss, At 60 Degrees After 12 Months Pass Color Change After 12 Months Exposure and Polish Pass Hiding Power Required,
14、max (a), (b) mils 1.0 CEMS GT-2B m 25 Curing Properties on Receipt, 30 Minutes at 121 C (250 F) or Per Manufacturers Recommendations Pass CEMS GT-22 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
15、 Adhesion, % min 90 CEMS GT-5C Color (e) Pass FSTM 4250 Gravelometer Rating 2A, 4A, or 4B as applicable per CEMS GT 28 SAE J400 Sanding Pass CEMS GT-7B Humidity, 500 Hours Exposure Pass CEMS GT-7E Holdout Unsanded Panels, % min 90 CEMS GT-6A Sanded Panels, % min 90 Difference Between Unsanded Panels
16、 and Sanded Panels, % min 5 Evidence of Fiber Pattern None Distilled Water Immersion Pass CEMS GT-7G Conductivity Reading, min 110 CEMS GT-18 Surface Sealing Pass CEMS GT-20 (a), (b), and (d)-see footnotes for Section 6.1 (e) Not a requirement; for information only. 6.3 Test Panel Requirements The n
17、umber, type, and size of test panels required for each test is described in CEMS Test Method GT-13. Prepare test panels using Method H 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-,-,-
