NAVISTAR MPAPS G-7138-2017 Protective Films Non-Graphic.pdf
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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. 2017 by Navistar, Inc. MAY 2017 Page 1 of 5 NAVISTAR, INC. Material, Parts, and Process Specifications (
2、MPAPS) NUMBER: MPAPS G-7138 Former Designation: NEW TITLE: Protective Films, Non-Graphic CURRENT REV No.: 1705 DATE: May 2017 WRITTEN/EDITED BY: S. Brailey APPROVED BY: R. Goluch SUPERSEDES: NEW PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may involve haza
3、rdous 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. 1.0 APPLICATIO
4、N This specification describes the requirements for non-graphic pressure sensitive adhesive films. These films are typically made of a urethane material. They are intended for use on exterior surfaces with removability during service. Their primary purpose is to provide surface protection from corro
5、sion, abrasion, and minor impact damage (stone impingement). 2.0 SCOPE This specification covers the material requirements, physical properties, and performance requirements for these films. Unless otherwise indicated on the engineering drawing/blue print and/or purchase order, product qualification
6、 and performance evaluation will be based upon tests performed using the appropriate substrate. 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 3.0 REFERENC
7、E DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The following Specifications, Standards, and Regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 ASTM B117 ASTM D1876 CFR Title 29, Part 1910 ASTM D882 ASTM D3
8、807 NAVISTAR Supplier Packing and Shipping Std. D-13 ASTM D903 ASTM D3884 NAVISTAR Engineering Design Std. A-16 ASTM D1000 MPAPS GT-Paint NAVISTAR MPAPS B-50 ASTM D1781 4.0 REQUIREMENTS Urethane films require surface treatments and coating for exterior UV resistance. Typical applications include sto
9、ne chip protection of painted surfaces and wear protection. 4.1 Adhesion 4.1.1 Method: Prepare panels and test in accordance with ASTM D903 or ASTM D1000 or ASTM D1781 or ASTM D1876 or ASTM D3807 as appropriate for the samples. Alternate test methods may be used by agreement between the supplier and
10、 purchaser. 4.1.2 Required: The film will have a minimum average adhesion of 400 N/m (2.28 lb/in). NUMBER: MPAPS G-7138 TITLE: Protective Films, Non-Graphic REVISION: 1705 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical
11、 Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. MAY 2017 Page 2 of 5 4.2 Tensile Strength at Break 4.2.1 Method: Prepare panels and test in accordance with ASTM D882. 4.2.2 Required: Tensile strength at break must be significantly higher than adhesion streng
12、th (Section 4.1). Report in lb/in. 4.3 Dimensional Stability 4.3.1 Method: Apply a 165 x 165 mm (6.5 x 6.5 inch) piece of the film to a 150 x 150 mm (6 x 6 inch) panel and trim evenly at the edge of panel. Bake the assembly at 66C (150F) for 48 hours. Remove and allow panels to cool, examine for shr
13、inkage. 4.3.2 Required: The film will not shrink more than 0.5 mm (0.02 inches) from any edge. 4.4 Abrasion Resistance 4.4.1 Method: ASTM D3884 (RPDH): Use CS-10 wheel, 500-gram load, 500 cycles. 4.4.2 Required: The film will not show any appreciable change in the abraded area. 4.5 Aging 4.5.1 Metho
14、d: Age the applied film for 7 days at 66C (150F) and 24 hours at 40C (-40F) using a different panel for each condition. Immediately after each exposure, examine film. 4.5.2 Required: The film will not blister, peel, or lose adhesion. 4.6 Elevated Temperature Exposure (high temperature applications o
15、nly) 4.6.1 Method: Prepare three panels as for DIMENSIONAL STABILITY Section 4.3. Bake three panels for 2 hours at 121C (250F). After cooling, examine film. 4.6.2 Required: The film will not blister, peel, or lose adhesion. The film will not shrink more than 0.8 mm (0.03 inches) from any edge. 4.7 T
16、hermal Shock 4.7.1 Method: Apply film to three test panels of the appropriate substrate. Place panels in an oven for 16 hours at 66 C (150 F). Immediately after removal from oven place in a cold chest at 34 C (-30 F) for 8 hours. Repeat for 7 cycles and examine. 4.7.2 Required: The film will not bli
17、ster, peel, or lose adhesion. 4.8 Humidity 4.8.1 Method: Apply film to three test panels of the appropriate substrate. Test per MPAPS GT-Paint test method 7E using panels prepared as per Section 4.10, Panel Preparation. Expose film for 100 hours of condensing humidity. 4.8.2 Required: The film will
18、not blister, peel, or lose adhesion. 4.9 Salt Spray 4.9.1 Method: Apply film to three test panels of the appropriate substrate. Test as per ASTM B117. Mount panels at an angle of 15 - 30 from vertical. Test for 200 hours and examine. 4.9.2 Required: The film will not blister, peel, or lose adhesion.
19、 4.10 Solvent and Chemical Resistance 4.10.1 Method: Immerse the film 75% of its length in the test fluid for 5 minutes. Remove the specimen, dry gently with a soft absorbent cloth, and examine 5 minutes after removal from the liquid. 4.10.2 Required: The film will not blister, peel, or lose adhesio
20、n. 4.10.3 Standard Test Fluids 15 Parts Xylol and 85 Parts Mineral Spirits Brake fluid (DOT-3) Reference Fuel C per ASTM D471 NUMBER: MPAPS G-7138 TITLE: Protective Films, Non-Graphic REVISION: 1705 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permissi
21、on from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. MAY 2017 Page 3 of 5 Reference Fuel F per ASTM D471 Methyl Iso-Butyl Ketone (MIBK) B20 Soy based biodiesel blend Service fluid 104 per ASTM D471 warmed to 82C/180F Aluminum cleaner(1)
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