1、NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECIFICATION)NUMBER: CEMS G-5, Part V Grade-57TITLE: Part V Paints Primers, Grade -57CURRENT ISSUE DATE: October 2008 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: NEW PRINTED COPIES OF THIS DOC
2、UMENT 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 responsible to consult appropriate safety and health practices and t
3、o determine the applicability of regulatory limits prior to use. Change Notice: NEW SPECIFICATION 1.0 APPLICATION This specification covers Autodeposition /AquenceCoatings intended as an undercoat for exterior and interior applications over either hot- or cold-rolled steel. They are both water based
4、 materials exhibiting low VOC, no HAPS and no heavy metals. Aquence Coatings can be commonly referred to as AQ 866 or AQ 930. 1.1 Interior Applications- Aquence 866 cures when exposed for 20 minutes at 230F (110C) and can be top coated below 250F (121C). - AQ 866 may exhibit poor inter-coat adhesion
5、 so it is recommended that adhesion tests, before and after humidity, be used to determine compatibility to subsequent topcoats. 1.2 Interior or Exterior Applications Aquence 930 cures when exposed for 30 minutes at 375F (177C) and can be top coated below 450F (232C). 2.0 SCOPE This specification ap
6、plies to the as-received liquid and the as-applied dry film property requirements of the primer. for sections 3.0, 4.0, 5.0, 7.0, 8.0, 9.0, 10.0 and 11.0; see Part V General Requirements 6.0 GENERAL REQUIREMENTS 6.1 Liquid Properties Liquid Properties Make Up AQ 866 AQ 930 Test Designation (b) lbs/g
7、allon 9.83 8.75 Weight Per Unit Volume, min kg/liter 1.18 1.05ASTM D 1475 % by Weight, min (a) 37.5 1 33 1 GT-1A Nonvolatile Content % by volume, min 26 1 30 1 GT-1B F 240 212 Flash Point, min C 115 100ASTM D 3828 Appearance Black Black Storage Stability Increase in Viscosity, cps, max NA GT-3B(a) a
8、nd (b) See page 3 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. 2008 Navistar, Inc. OCTOBER 2008 Page 1 of 3 Copyright Navistar International Corporati
9、on Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS G-5, TITLE: Part V Paints Primers, CURRENT ISSUE DATE: Part V Grade-57 Grade -57October 2008 This document is restricted and may not be sent outside Navistar, I
10、nc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2008 Navistar, Inc. 6.1 Liquid Properties (continued) Liquid Properties Mixed Primer AQ 866 AQ 930 Test Designation lb/gallon 0 0.03 0.03 VOC Content, max kg/liter 0 0.0036
11、 0.0036 EPA Method 24 Liquid Properties Replenisher AQ 866 AQ 930 Test Designation (b) lbs/gallon 9.83 8.75 Weight Per Unit Volume, min kg/liter 1.18 1.05ASTM D 1475 % by Weight, min (a) 37.5 1 33 1 GT-1A Nonvolatile Content % by volume, min 26 1 30 1 GT-1B F 240 212 Flash Point, min C 115 100ASTM D
12、 3828 Appearance Black Black Storage Stability Increase in Viscosity, cps, max NA GT-3B(a) and (b) See page 3 6.2 Dry Film PropertiesNAVISTAR Color Designation All Colors Dry Film Properties AQ 866 AQ 930 Test Designation (b) Initial Gloss at 60 , min. (a) 10 30 30 50 CEMS GT-6B Curing Properties on
13、 Receipt, 20230F (110C) PMT Pass 30375F (177C) PMT Pass CEMS GT-22 Temperature Resistance, Operation Coated part not to exceed 250F (121C) Coated part not to exceed 450F (232C) Toughness, Bend Test 0T 1T ASTM D 4145 Hardness Min. (a) 4H 7H H 3H CEMS GT-4D Adhesion, % Min. (a) 95% 95% CEMS GT-5A Tape
14、 Appearance Pass Pass Intercoat Adhesion (a) Feather Edge Appearance Pass Pass CEMS GT-5B Accelerated Adhesion, % Min Pass Pass CEMS GT-5C Color Pass Pass FSTM 4250 Distilled Water, 100 Hours Pass PassImmersion Ethylene Glycol Pass Pass CEMS GT-7J OCTOBER 2008 Page 2 of 3 Copyright Navistar Internat
15、ional Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS G-5, TITLE: Part V Paints Primers, CURRENT ISSUE DATE: Part V Grade-57 Grade -57October 2008 This document is restricted and may not be sent outs
16、ide Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2008 Navistar, Inc. NAVISTAR Color Designation All Colors Dry Film Properties (contd) AQ 866 AQ 930 Test Designation (b) Gravelometer Rating 4A or 4B 4A or 4
17、B SAE J400 Dry Film Appearance Pass Pass inch 0.06 (CRS) 0.06 (CRS) Salt Spray, 500 Hours Exposure Corrosion Creepage, max mm 1.5mm (CRS) 1.5 mm (CRS) CEMS GT-7D Dry Film Appearance Pass Pass inch 0.06 (CRS) 0.06 (CRS) Scab Corrosion 40 Cycles Corrosion Creepage, max mm 1.5mm (CRS)1.5mm (CRS)SAE J23
18、34 Humidity, 500 Hours Exposure Pass Pass CEMS GT-7E Solvent Rub (Naptha) Pass 20 Double Rubs Pass 20 Double Rubs CEMS GT-14A (a) Most suitable for acceptance testing. (b) All test designations refer to the latest issue unless otherwise stated. 6.2 Test Panel RequirementsThe number, type, and size o
19、f test panels required for each test is described in CEMS Test Method GT-13. Prepare test panels using Method K per CEMS GT-13. OCTOBER 2008 Page 3 of 3 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
