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-7 Former Designation: CEMS BT-7 TITLE: Water Tolerance Test CURRENT REV No.: 1408 DATE: Aug 2014 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: CEMS BT-7 - August 2009 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REV
3、ISION 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 regul
4、atory limits prior to use. Change Notice: Updated to new MPAPS format; editorial changes. 1.0 SCOPE This method covers a procedure for determining the water tolerance of petroleum fluids. 2.0 APPARATUS (1) Mechanical paint shaker, Red Devil No. 30 or equivalent (2) 4 ounce (118 milliliters) bottle w
5、ith cap (3) Graduated cylinder, 100 milliliters (4) 100 milliliter centrifuge tube per ASTM D 2273 (5) Pipette or syringe capable of delivering 1.0 milliliter (6) Stopper to fit centrifuge tube 3.0 PROCEDURE (1) Prepare the following sample: Add 1 milliliter of distilled water to 99 milliliters of t
6、est fluid in the 4 ounce (118 milliliters) bottle. (2) Shake the prepared sample for 5 minutes in the mechanical shaker. (3) Transfer immediately to a 100 milliliter centrifuge tube. (4) Stopper and let the agitated solutions stand undisturbed in a vertical position for 168 hours (7 days) at 70 to 8
7、0F (21 to 27C), then examine for emulsion, water, clearness and settlement. 4.0 REPORT (1) Level of emulsion, water and settlements to the nearest 0.1 milliliter. (2) The clearness or turbidity of the solution. 5.0 TECHNICAL INFORMATION For further information related to the technical content of thi
8、s 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:/
