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 by Navistar, Inc. AUGUST 2009 Page 1 of 1 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECI
2、FICATION) NUMBER: CEMS BT-7 TITLE: Water Tolerance Test CURRENT ISSUE DATE: August 2009 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: October 2001 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may involve
3、 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 limits prior to use. Change No
4、tice: Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive. 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 mill
5、iliters) bottle with 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
6、 milliliters of test 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
7、 days) at 70 to 80F (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. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
