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-30 TITLE: Foam Test With Water 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 involv
3、e 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 N
4、otice: Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive. 1.0 APPLICATION This method covers a procedure for determining the foaming characteristics of fluids in the presence of water. 2.0 SCOPE This specification describes the test method. 3.0 APPAR
5、ATUS 3.1 Mechanical paint shaker, Red Devil No. 30 or equivalent 3.2 Pyrex graduated cylinder, 250 milliliters 3.3 Syringe or pipette capable of delivering 2.5 milliliters 3.4 Apparatus required for ASTM D 892, Test for Foaming Characteristics of Lubricating Oils 3.5 Hot plate or bath 4.0 MATERIAL 4
6、1 Bottles with screw caps, 16 ounce (500 milliliters), French square 4.2 Distilled water 4.3 Materials required for ASTM D 892, Test for Foaming Characteristics of Lubricating Oils 5.0 PROCEDURE 5.1 Prepare a sample as follows: 5.1.1 Heat 250 milliliters of fluid to be tested to 120 + 5 F (49 + 3 C
7、) and allow to cool to 75 + 5 F (24 + 3 C). 5.1.2 Place the fluid into a 16 ounce (500 milliliters) bottle containing 2.5 milliliters distilled water and cap securely. 5.1.3 Agitate 5 minutes on the mechanical shaker 5.2 Proceed immediately per ASTM D892, section 5 (5.1.2) 5.3 Prepare a second sample as in (5.1.1) above and proceed per ASTM D892, section 5 (c) and 5 (d). 6.0 REPORT Foam per ASTM D 892 with 1 percent water added (three sequences).
