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 Navistar, Inc. AUGUST 2009 Page 1 of 2 NAVISTAR, INC. CEMS (CEMS ENGINEERING MATERIAL SPECIFICATION)
2、 NUMBER: CEMS G-5, Part VIII Grade 83W TITLE: Part VIII Paints - Engine Paints, Grade 83W 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 REVI
3、SION 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 regula
4、tory 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 a one-component, forced dry, low gloss, waterborne
5、 primer. No South Florida exposure requirements are specified. 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 VIII General Requirements 2.1 Restricted Chemi
6、cal 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 (see page 2 for footnotes) LIQUID PROPERTIES BLACK PRIMER TEST DESIGNATION (d) We
7、ight Per Unit Volume, min (a) lb/gallon 9.0 ASTM D 1475 kg/liter 1.08 Nonvolatile Content % by Weight, min (a) 32 CEMS GT-1A % by Volume, min 26 CEMS GT-1B Cryptometer Reading, min (b) ft2 / gallon 1160 CEMS GT-2A m2 /liter 28.5 VOC, Content max lbs/gallon 3.5 ASTM D 3960 kg/liter 0.42 Viscosity, se
8、conds (a), (e) 20-80 No. 4 Ford Cup ASTM D 1200 Fineness of Grind, Standard Graduations, min a) 6.0 ASTM D 1210 Flash Point, min (c) Degrees F 100 ASTM D 56 Degrees C 38 Dilution Stability, Hours, min (a) 16 FSTM 4203.1 Storage Stability (a) Appearance Pass CEMS GT-3B Increase in Viscosity, Seconds,
9、 max 20 pH 8.0-9.0 ASTM E 70 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 VIII Grade-83W TITLE: Part VIII Paints - Engine Paints, Grade 83W CURRENT ISSUE
10、 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 assume all patent liability. 2009 Navistar, Inc. AUGUST 2009 Page 2 of 2 6.2 Dry Film Properties DRY FILM PROPERTIE
11、S BLACK PRIMER TEST DESIGNATION (d) Initial Gloss 60 Degrees, Min 5-25 CEMS GT-6B Hiding Power Required, max (a), (b) Mils 1.6 CEMS GT-2B m 41 Curing Properties on Receipt, 25 Minutes at 70 Degrees F, Air Drying (f) Pass CEMS GT-21 Curing Properties Forced Air or Baking 40 Minutes at 180 Degrees F P
12、ass CEMS GT-22 Hardness, min (a) B CEMS GT-4D Adhesion , % min 90 CEMS GT-5A Color (a) Pass FSTM 4250 Immersion (g) Xylene-Mineral Spirits Pass CEMS GT-7H Ethylene Glycol Pass CEMS GT-7J Engine Oil, 24 Hours Pass CEMS GT-7K Salt Spray, 48 Hours Exposure Dry Film Appearance Pass CEMS GT-7D Corrosion
13、Creepage, max Inch 0.03 mm 0.8 Humidity, 48 Hours Exposure Pass CEMS GT-7E Oil Compatibility of Paint Pass CEMS GT-17 Machinability Pass CEMS GT-9A Intercoat Compatibility and Adhesion Pass CEMS GT-4K Safety precautions must be observed when using electrostatic spray equipment with waterborne coatin
14、gs. (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 requirement provided a correlation has been established between results from the specific cryptometer used and the dry film hiding power results
15、per CEMS GT-2B. (c) This requirement will be waived if the paint is ordered for spray application only and the containers are so marked. (d) All test designations refer to the latest issue unless otherwise stated. (e) Paint will be ordered to the viscosity range desired for the particular applicatio
16、n. (f) Final acceptance will be based on the paint meeting the production drying schedule. (g) Final acceptance will be based on resistance to in-process cleaners and metalworking fluids. 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 B 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-,-,-
