1、INTERNATIONAL TRUCK and ENGINE CORPORATION CEMS (CORPORATE ENGINEERING MATERIAL SPECIFICATION) NUMBER CEMS G-5, Part V Grades-53 and -53A TITLE: Part V Paints Primers. Grades 53 and 53ACURRENT ISSUE DATE: December 2003 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUP
2、ERSEDES ISSUE OF: February 2002 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT 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 responsibl
3、e to consult appropriate safety and health practices and to determine the applicability of regulatory limits prior to use. Change Notice: Editorial Correction for humidity test, and changed color test on page 2 1.0 APPLICATION This specification covers an air or oven drying synthetic alkyd primer fo
4、r 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 Part V
5、 General Requirements 6.0 PROPERTY REQUIREMENTS (f) 6.1 Liquid Properties Liquid Properties International color Designation All Colors Test Designation (d) lb/gallon 10.0 Weight Per Unit Volume, Min (a) kg/liter 1.20ASTM D-1475 % by Weight, min 58 CEMS GT-1A Nonvolatile Content (a) % by Volume, min
6、34 CEMS GT-1B ft2 /gallon 500 Cryptometer (b) Reading, min m2 / liter 12.3 CEMS GT-2A Viscosity, seconds (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 F 55 Flash Point, min ( c)C 13 ASTM D 56 Dilution Stability, Hours, min (a) 16 FS
7、TM 4203.1 Appearance Pass Storage Stability (a) Increase in Viscosity, Seconds, max 20 CEMS GT-3G Increase in Viscosity, Seconds, max 30 Heated Paint Stability (e)Filter Appearance Pass CEMS GT-10 lbs/gal 4.5 VOC Content, max kg/liter 0.54ASTM D3960 (a) Most suitable for acceptance testing. (b) For
8、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. (c) This requirement will be waived if
9、 the paint is ordered for spray applications only and the containers are so marked. (d) All test designations refer to the latest issue unless otherwise stated. (e) This requirement will be waived for Grade -53. (f) This is a lead and chrome free primer. This document is restricted and may not be se
10、nt outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2003 International Truck and Engine Corporation. DECEMBER 2003 Page 1 of 2 Copyright International Truck and Engine Corpor
11、ation 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 53ACURRENT ISSUE DATE: December 2003 This document is restricted and may not be se
12、nt outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2003 International Truck and Engine Corporation. DECEMBER 2003 Page 2 of 2 6.2 Dry Film Properties Dry Film Properties Int
13、ernational Color Designation All Colors Test Designation (d) Initial Gloss at 60 Degrees (a) (g) 10 to 25 CEMS GT-6B Surface Condition After 12 Months Pass Gloss, At 60 Degrees After 12 Months Pass South Florida Exposure Color Change After 12 Months Exposure and Polish Pass CEMS GT7F mils 1.5 Hiding
14、 Power Required, max (a), (b) m 38 CEMS GT-2B 15 Minutes at 93C (200F) Curing Properties on Receipt, (a) 45 Minutes at 21 to 27 C (70 to 80 F) Pass CEMS GT-22 Toughness Pass CEMS GT-4CHardness, min(a) B CEMS GT-4D Adhesion, min 90 CEMS GT-5A Tape Appearance Pass Intercoat Adhesion Feather Edge Appea
15、rance Pass CEMS GT-5B Accelerated Adhesion, % min 90 CEMS GT-5C Color (a) Pass SAE J1545 Distilled Water, 100 Hours Pass Immersion Ethylene Glycol Pass CEMS GT -5C Gravelometer Rating 2A, 4A, or 4B as applicable per CEMS GT 28 SAE J 400 Dry Film Appearance Pass inch 0.06 Salt Spray, 500 Hours Exposu
16、re Corrosion Creepage, max mm 1.5 CEMS GT-7D Humidity, 500 Hours Exposure Pass CEMS GT-7E Unsanded Panels, % min 90 Sanded Panels, % min 90 Holdout Difference Between Unsanded Panels and Sanded Panels, % max 5 CEMS GT-6A Sanding Pass CEMS GT-7B(a), (b), and (d) - see page 1. (g) Applicable only to t
17、he 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 International Truck and Engine Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
