INTERN CEMS GT-6B-2009 Initial Gloss of Paint《油漆的初始光泽度》.pdf

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 2 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECI

2、FICATION) NUMBER: CEMS GT-6B TITLE: Initial Gloss of Paint CURRENT ISSUE DATE: August 2009 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: August 2001 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may invol

3、ve 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

4、Notice: Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive. 1.0 INTRODUCTION This is a method for determining the glossiness of a dry film of paint immediately after application. 2.0 APPARATUS Glossmeter, Gardner or equivalent 3.0 MATERIAL Bonderite C

5、D-10 or Bonderite 958 zinc phosphated steel panels, 100 x 150 mm (4 x 6 inches), available from Advanced Coatings Technologies, 273 Industrial Drive, Hillsdale, Michigan 49242. OR Fiber glass reinforced plastic panels available from Materials Engineering, International Truck and Engine Corporation,

6、P. O. Box 1109, Fort Wayne, Indiana 46801-1109. 4.0 PROCEDURE 4.1 Prepare the appropriate quantity and type of panels for the grade of paint being tested according to the procedure specified in Test Method GT-13, Panel Preparation. For Grades -50, -52, -52HS, -53,-53A, and -56, proceed up to but not

7、 including the step in which the primed and dried panels are sanded. 4.1.1 Two steel panels - Grades -17, -17HS, -18, -19, -19HS, -29, -29HS, -29T, -29THS, -32, -32HS, -50, -54, -55, -55W, -61, -62, -81HS and -81W. 4.1.2 Four steel panels - Grades -53 and -53A 4.1.3 Two fiber glass reinforced plasti

8、c panels - Grade -52 or -52HS, or -52W For grades where four panels are prepared, two alternative drying procedures, an air dry and an oven dry, are specified. For these grades, two panels will be dried according to the air drying procedure and the remaining two panels will be dried according to the

9、 oven drying procedure. For grades where two panels are prepared, only one drying procedure is specified; for these grades, both panels will be dried according to this procedure. 4.1.4 For grades which are air dried or oven dried at temperatures below 93C (200F), age the prepared panels for an addit

10、ional 24 hours in air at 21 to 27C (70 to 80F) before testing. For the other grades, testing will be done immediately upon completion of the panel preparation procedure. 4.1.5 Using the appropriate glossmeter angle for the reading required (20 or 60 degrees), determine the initial gloss reading of e

11、ach of the panels. For those grades where both a 20 degree gloss reading and a Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: CEMS GT-6B TITLE Initial Gloss Of Paint CURR

12、ENT ISSUE DATE: August 2009 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 2 of 2 60 degree reading are required

13、, both will be run. For those grades where two panels are prepared, both will be tested. For those grades where four panels are prepared, both air dried and both oven dried panels will be tested. 5.0 REPORT Report the minimum 60 degree glossmeter reading obtained from all the panels tested for those

14、 grades requiring a 60 degree reading. For those grades requiring a 20 degree glossmeter reading, again report the minimum 20 degree glossmeter reading obtained from all the panels tested. For those grades where both a 60 degree and a 20 degree requirement are listed, report both minimums. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-