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. 2014 by Navistar, Inc. August 2014 Page 1 of 1 NAVISTAR, INC. Material, Parts, and Process Specification
2、s (MPAPS) NUMBER: MPAPS BT-3 Former Designation: CEMS BT-3 TITLE: Corrosion Test CURRENT REV No.: 1408 DATE: Aug 2014 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: CEMS BT-3 - August 2009 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION
3、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 regulatory
4、limits prior to use. Change Notice: Updated to new MPAPS format; editorial changes. 1.0 SCOPE This method covers a procedure for determining the corrosion-inhibiting ability of engine cooling system fluids. 2.0 APPARATUS See requirements of ASTM D1384. 3.0 MATERIAL See requirements of ASTM D1384. 3.
5、1 Test Solution Prepare the test solution as directed in the appropriate specification or manufacturers recommendation. In the case of Navistar MPAPS B-1 Antifreeze, mix the antifreeze with sufficient distilled water to form a 50 percent solution in accordance with ASTM D1176, section 6.3. 4.0 PROCE
6、DURE Perform test in accordance with ASTM D1384, with the exceptions noted below. 4.1 Run the test continuously for 2500 hours (approximately 104 days). 4.2 The aeration rate shall be 50 5 ml/min. 5.0 REPORT Report the average weight change in milligrams for each type of metal for the triplicate tes
7、ts on each fluid tested. 6.0 TECHNICAL INFORMATION For further information related to the technical content of this specification, contact: Suppliers may purchase controlled copies of this specification by contacting: Materials Engineering and Technology Dept. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN IHS Global Inc. 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/
