FORD WSK-M16J4-B-2001 PAINT CLEARCOAT TWO PACK HIGH FLEXIBLE PLASTIC SUBSTRATES EXTERIOR《汽车外部用塑料基底用高柔性双组分透明油漆》.pdf

1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2001 05 11 Revised Rev para 3.6.1, 3.9 (FLTM BI 102-01) min 45 % The non-volatile content shall be determined at a spray viscosity of 20 s according to para 3.5.4. 3.5.2 Density See Initial Sample +/- 0.02 g

2、/mL (ASTM D 1475) 3.5.3 Viscosity as supplied See Initial Sample +/- 2 s (FLTM BI 111-01) 3.5.4 Spray Viscosity As specified by the supplier (FLTM BI 111-01, FC #4) The material can be reduced with Xylene (WSK-M14J239-A) and Butyl acetate (WSK-M14J228-B). 3.5.5 Mixing ratio As specified by the suppl

3、ier The material shall be cured with isocyanate hardener WSK-M99J359-A or WSK-M99J360-A. 3.5.6 Storage Stability: 90 days During a storage of 90 days between 5 and 32 C temperature the material as supplied shall not settle up or cake insoluble. After the storage the material must pass all specificat

4、ion requirements. ENGINEERING MATERIAL SPECIFICATION WSK-M16J4-B Page 3 of 5 Copyright 2001, Ford Global Technologies, Inc. 3.6 PREPARATION OF TEST PANELS 3.6.1 Substrate Polycarbonate, Polyurethane, Polypropylene, etc. as required on Engineering Drawing. Note: PP/EPDM plastics must either be primed

5、 with an adhesion primer or pretreated (flame treatment, etc.) prior to painting to provide sufficient paint adhesion. 3.6.2 Plastic Preparation The surface to be painted shall be cleaned by an acceptable process, e.g. power wash, to remove mold releasing agents, fingerprints, oils, dirt and moistur

6、e. 3.6.3 Primer Surfacer (if required) Application of a primer surfacer, film thickness and baking as specified in the relevant material specification. 3.6.4 Basecoat Application of current production basecoat Dry film thickness as required in material specification Flash off time: 5 minutes 3.6.5 C

7、learcoat Wet on wet application of two pack high flexible clearcoat Dry film thickness: 35 - 40 micrometre Flash off time: 5 minutes at room temperature Baking in combination with solvent based basecoats: 35 minutes at 80 C or 25 minutes at 90 C. Baking in combination with water based basecoats: 25

8、minutes at 90 C. 3.6.6 Ageing Test panels prepared under this specification shall be aged for at least 168 h at 23 +/- 2 C or 16 h at 45 +/- 1 C before testing for resistance properties. ENGINEERING MATERIAL SPECIFICATION WSK-M16J4-B Page 4 of 5 Copyright 2001, Ford Global Technologies, Inc. 3.7 APP

9、EARANCE Color, gloss, grain and surface finish shall match master Trim Sample and/or Master Appearance Sample as approved by Design. 3.7.1 Color Colorless (FLTM BI 109-01) 3.7.2 Gloss See MAS - Panel (FLTM BI 110-01, 60) 3.8 PENCIL HARDNESS, min B - 2B (FLTM BI 151-01) 3.9 RESISTANCE PROPERTIES Test

10、 Panels and plastic parts painted according to para 3.6 of this specification shall meet all requirements of performance specification WSS-M2P181-A. 3.10 QUALITY The clearcoat must be adaptable for application in accordance with the appropriate Ford Motor Company Process Specification. The clearcoat

11、 must be compatible with all related materials. 3.11 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 changes to the material originally approved under this

12、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 notification of the Company, further instructions will

13、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 this document. The restrictions are identified in Re

14、stricted Substance Management Standard WSS-M99P9999-A1. ENGINEERING MATERIAL SPECIFICATION WSK-M16J4-B Page 5 of 5 Copyright 2001, Ford Global Technologies, Inc. 4. APPROVAL OF MATERIALS Materials defined by this specification for direct supply to the Company must have prior approval. Certain materi

15、als subcontracted by part suppliers may also require 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 expressio

16、n 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. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 DENSITY OF THE DRY FILM See Initial Sample +/- 0.02 kg/L (FLTM BI 154-02)