1、 NON-PRODUCTION MATERIAL SPECIFICATIONDate Action Revisions 2010 12 16 Re-Activated It is still used Globally at all Assembly Plants and was inadvertently Inactivated T. Honey, NA 2010 09 28 Inactive No replacement named L. Sinclair, NA 1999 09 29 Activated T. Dusbiber Printed copies are uncontrolle
2、d Copyright 2010, Ford Global Technologies, LLC Page 1 of 3 TAPE, POLYETHYLENE FOAM, PRESSURE SENSITIVE M3G233-A 1. SCOPE The material defined by this specification is a cross-linked polyethylene, closed cell, weatherable foam coated on one side with a pressure sensitive adhesive and protected with
3、release paper. 2. APPLICATION This specification was released originally for material used on vehicle doors to prevent chips and scratches from the door hitting hard objects during the assembly process. Easy removal after delivery to the selling dealer is required, up to one month after application.
4、 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.1 QUALITY SYSTEM REQUIREMENTS Material suppliers and part producers must conform to the Companys Quality System Requirements. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated h
5、erein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. 3.3 FOAM PROPERTIES 3.3.1 Density, min, kg/m330 (ASTM D 3575-W) 3.3.2 Thickness, m
6、in, mm 12 3.3.3 Tensile Strength, min, kPa 240 (ASTM D 3575-T, Die “A“) 3.3.3.1 Elongation, min, % 140 3.3.4 Tear Strength, min, kg/cm 1.4 (ASTM D 3575-G, Die “C“) 3.3.5 Compression Set, max, % 30 (ASTM D 3575-B, Method “B“) 3.3.6 25% Compression Deflection, min, kg/cm20.42 (ASTM D 3575-D) NON-PRODU
7、CTION MATERIAL SPECIFICATIONM3G233-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.3.7 Peel Adhesion, min, N/m width 3.0 (ASTM D903) Test Method: Check adhesion to painted metal panels representative of current production quality white and black enamel.
8、If foam fails internally before peeling occurs, the test is rated as failed. 3.3.8 Aged Peel Adhesion, min, N/m width 3.0 (ASTM D903) Test Method: Check adhesion to painted metal panels representative of current production quality white and black enamel. If foam fails internally before peeling occur
9、s, the test is rated as failed. Check adhesion immediately following removal from the specified condition. No adhesive is permitted left on the painted panel after removal, and no noticeable blistering, dulling, staining, or worm tracking of the painted surface is permitted. ADHESION FORCE 3.3.8.1 2
10、 weeks at -25 +/- 1 C 3.0 3.3.8.2 2 weeks at 60 +/- 1 C 9.0 3.3.8.3 2 weeks at 38 +/- 1 C and 11.0 95-100% relative humidity 3.3.9 Outdoor Weathering, min 1 month Jacksonville, Florida Area Horizontal, Direct Weathering, Facing South Test Method: Expose foam part on painted metal panels representati
11、ve of current production quality white and black enamel and check adhesion after exposure. A value no greater than 11.0 N/m by width should be obtained. If foam fails internally before peeling occurs, the test is rated as failed. No adhesive is permitted left on the painted panel after removal, and
12、no noticeable blistering, dulling, staining, or worm tracking of the painted surface is permitted. 3.3.10 Migration Stain None (FLTM BV 107-02) Test Method: The material shall be placed in intimate contact with a freshly painted white and black colored enameled panels, and subjected to 200 h in a fl
13、uorescent sun lamp cabinet described in FLTM BV 107-02. 3.3.11 Foam Deterioration Shall show no evidence of (FLTM BO 012-01) foam breakdown in the form of cracking or crumbling Test Method: Samples approximately 150 mm in length shall be subjected to the autoclave aging and subsequently bent 180 deg
14、 (3.1 rad) around a 6.4 mm diameter mandrel. NON-PRODUCTION MATERIAL SPECIFICATIONM3G233-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 3.3.12 Odor No offensive odor in the “as received“ condition or after the deterioration test, para 3.3.11. 3.3.13 Inpla
15、nt Carwash Test The foam protector shall not be removed using standard, in-plant Rain Test /Car wash system in less than 5 minutes, water temp shall be between 5 and 35 C. 3.3.14 Application And Workability The foam protector shall be easy to apply on the sheet metal parts at the manufacturing facil
16、ity with gloves on, and shall be workable enough to conform to rounded areas and corners of the part. 3.4 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any ch
17、anges to the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify the affected Purchasing, and Materials Engineering activities (with reasons) of the proposed changes. Upon no
18、tification of the Company, further instructions will be provided. Note: Suppliers should be prepared to provide test data and samples demonstrating compliance to this specification, if requested. Substance restrictions imposed by regulations or Company direction applies to the materials addressed by
19、 this document. The restrictions are identified in Restricted Substance Management Standard WSS-M99P9999-A1. 4. APPROVAL OF MATERIALS Materials defined by this specification for direct supply to the Company must have prior approval. Certain materials subcontracted by part suppliers may also require
20、prior approval. These include materials critical to the Companys business for regulatory, safety, environmental or compatibility requirements or contractual agreements. Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Materials Engineering activity. Upon request, the Supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of this specification.
