INTERN TMS 4513-2008 Strippable Protective Coatings《可剥性防护涂层》.pdf

1、NAVISTAR, INC. TMS (TRUCK MATERIAL SPECIFICATION) NUMBER: TMS-4513 TITLE: Strippable Protective Coatings CURRENT REV No.: 0810 DATE: October 2008 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: Rev C-1 September 2000 PRINTED COPIES OF THIS DOCUMENT MUST BE VER

2、IFIED FOR CURRENT REVISION 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 a

3、pplicability of regulatory limits prior to use. Change Notice: Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive; added Type II coating requirements; added CEMS B-50 requirements; editorial changes. Reference: File 30-13 Keywords: Protective Coatings

4、; Strippable Coatings; Laminate Film 1.0 APPLICATION This specification covers two types of strippable protective coatings which provide temporary protection to painted or unpainted (polished or unpolished) metal surfaces against deterioration, corrosion, abrasion or damage during fabrication, trans

5、portation, handling, or storage. Type I is a spray-on coating, while Type II is a film laminated to the metal coil or sheet by manual or automated methods. 2.0 SCOPE This specification covers general requirements for both Types I and II coatings, requirements for uncured sprayable coating solution,

6、performance requirements for the cured sprayable coating, and requirements for the film laminate coating for coils. 2.1 Restricted Chemical SubstancesEffective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the CEMS B-50 specifica

7、tion. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The following standards, specifications and regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 MIL-C-16555 NAVISTAR Manufacturing Standard M

8、S-D-13 ASTM B 117 CFR Title 29, Part 1910 CEMS B-50 4.0 REQUIREMENTS The materials covered by this specification shall be capable of temporarily protecting bare or painted metal and shall be easily removable without damage, residue, or discoloration of the object coated. Unless otherwise specified,

9、all sample preparation and testing related to Type I coating shall be in accordance with the methods described in MIL-C-16555. 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

10、all patent liability. 2008 by Navistar, Inc. OCTOBER 2008 Page 1 of 4 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: TITLE: REVISION: TMS-4513 Strippable Protective Coati

11、ngs 0810 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. 2008 by Navistar, Inc. 4.1 Type I Spray-on coating 4.1.1 Uncured Properties 4.1.1.1 Composition

12、Shall be 30% (by weight) min non-volatile material. 4.1.1.2 Viscosity Shall be 70-100 Krebs units, when tested at 10 1C (50 2F). 4.1.1.3 Gelation At Low Temperature When stored at -29C (-20F), solution shall be restorable to a free-flowing consistency for spraying by manual or mechanical stirring at

13、 25 1C (77 2F). 4.1.1.4 Separation Of Pigment After storing in a closed container for 10 days at room temperature, the pigment shall not separate from the solution in such a manner as to prevent restoration of the coating solution to consistency for satisfactory spraying by manual stirring at 25 1C

14、(77 2F). 4.1.1.5 Sprayability The solution shall be supplied in a consistency satisfactory for application with conventional pressure-type spray equipment. 4.1.2 Cured Coating Properties The minimum coating thickness shall be 0.35 mm (14 mils) and the coatings shall be capable of meeting the followi

15、ng performance tests at this min thickness. In actual use, thinner coatings may be used provided that all the cured coating requirements are satisfied. 4.1.2.1 Tensile Strength Shall be 3.4 MPa (500 psi) min. 4.1.2.2 Elongation Shall be 200% min. 4.1.2.3 Low Temperature Flexibility After conditionin

16、g at -23 1C (-10 2F), the test specimens shall be capable of bending around a 25 mm (1 in) diameter mandrel without cracking or breaking. 4.1.2.4 Heat Resistance Coating shall show no evidence of shrinkage, separation from the panel, bubbles, darkening or other visible evidence of degradation. After

17、 cooling to room temperature, the coating shall not crack or break on being peeled back from the panel. 4.1.2.5 Water Vapor Transmission Water vapor transmission rate after exposure to accelerated weathering described below shall be not more than 1.2 grams per 6.45 x 10- m (100 in) per 24 hours. 4.1

18、.2.6 Accelerated Weathering After exposure to 100 hours standard Weatherometer testing or 100 hours QUV testing, coating shall show no visible evidence of degradation or shrinkage and shall be strippable from the test panel in one continuous sheet. 4.1.2.7 Salt Spray Resistance The test specimen sha

19、ll show no evidence of corrosion, and the coating shall show no pinholes or separation from the metal, after testing for 96 hours per ASTM B 117. 4.1.2.8 Adhesion Shall be not less than 87.5 N (0.50 lbf) and not more than 390 N (2.25 lbf) per m (in) width. OCTOBER 2008 Page 2 of 4 Copyright Navistar

20、 International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: TITLE: REVISION: TMS-4513 Strippable Protective Coatings 0810 This document is restricted and may not be sent outside Navistar, Inc. or repro

21、duced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2008 by Navistar, Inc. 4.1.2.9 Flammability Test specimens of the dried coating shall cease to burn or glow within five seconds after the source of ignition is removed. 4.2 Type II Lam

22、inated Film 4.2.1 Film Properties The sheet/tape product will be a polyethylene or vinyl type with low- to moderate-tack adhesive, compatible with a polished stainless steel or aluminum substrate (or as otherwise specified), and easily peelable without leaving residual adhesive, discoloration, or re

23、sidue. Preferred color of film to be white. 4.2.1.1 Thickness Thickness of the film will be in the range 2-5 mils (0.05-0.13 mm). 4.2.1.2 Tensile Strength Shall be 3.1 MPa (4500 psi) min. 4.2.1.3 Elongation Shall be 450% min. 4.2.1.4 Adhesion Shall be not less than 87.5 N (0.50 lbf) and not more tha

24、n 390 N (2.25 lbf) per m (in) width. 4.2.2 Performance Properties4.2.2.1 Formability Film shall show no evidence of shrinkage, separation from the panel, bubbles, darkening, or other visible evidence of degradation during normal metal forming conditions. 4.2.2.2 Application and Storage Temperatures

25、Film should be applied to and removed from metal at a temperature of 60F minimum, and stored at 60-80F (assuming 40-60% relative humidity) before and after application. 4.2.2.3 Appearance and Removal Sheet/film will adequately conform to the metal substrate when applied, and shall not crack, bubble,

26、 wrinkle, tear, sliver, discolor, etc., until final removal from metal substrate. Film will peel off in long clean sheets. 5.0 QUALITY All product supplied shall be clean and free from dirt, oils, sharp edges, or defects harmful to product performance. 6.0 SOURCE APPROVAL AND QUALITY CONTROL 6.1 Sup

27、plier RequirementsAll suppliers to Navistar are required to be registered to ISO 9001 Quality System Requirements. Navistar will also accept TS-16949 registration as long as the supplier can also fulfill all AIAG PPAP (Production Part Approval Process) documentation and approval requirements. Suppli

28、ers must maintain their certification with an accredited registrar and must furnish copies of registration certificates to their Corporate Buyer upon request. OCTOBER 2008 Page 3 of 4 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction

29、or networking permitted without license from IHS-,-,-NUMBER: TITLE: REVISION: TMS-4513 Strippable Protective Coatings 0810 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

30、patent liability. 2008 by Navistar, Inc. 6.2 ApprovalParts supplied against contracts or purchase orders citing this specification shall be equivalent in all respects to those samples which were approved by the purchaser. No changes in formulation or processing practices are permitted without approv

31、al. In the event that changes in material, properties, processing practices, construction, color, or labeling of the product are required, the supplier shall notify Truck Development and Technology Center (TDTC) and Purchasing and Supplier Development of the proposed change(s). Test data indicating

32、conformance to all requirements of this specification, test samples, and new or amended or updated Material Safety Data Sheet(s) (MSDS), in accordance with CFR Title 29, Part 1910 shall be submitted with the request for change. 6.3 Process ControlThe supplier shall either perform and report results

33、of tests on specific lots of parts produced using ISO 9001 or TS-16949 guidelines, or provide statistical evidence of the lot having been produced in a state of statistical control and with a process capable of providing all required properties. The part supplier and the plant metallurgist and/or th

34、e quality control manager of the using Navistar plant may determine testing and reporting requirements on specific products. 7.0 SHIPPING, PACKING AND IDENTIFICATION Loading, packing and identification shall be in accordance with Manufacturing Std. MS-D-13. 8.0 DESIGNATION ON DRAWINGS Example: “Prot

35、ective Coating on Bright Finish Side per TMS-4513, Type I.” or “Protective Film on Bright Finish Side per TMS-4513, Type II.” If type is not specified, then either Type I or Type II will be allowed. 9.0 APPROVED SOURCES Type I: Essex Chemical Corporation Product: Liquid Envelope 0006700 Type II: TBD

36、 10.0 CONTACT INFORMATION For further information related to the technical content of this specification, contact: Suppliers may purchase controlled copies of this specification by contacting: Materials Engineering and Technology Dept. Truck Development and Technology Center (TDTC) 2911 Meyer Road F

37、ort Wayne, IN 46803 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:/OCTOBER 2008 Page 4 of 4 Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-