FORD WSK-M6J147-B-2014 PRIMER TWO PACK PLASTIC SUBSTRATES HIGH FLEXIBLE TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2014 04 10 Reactivate See Summary of Revisions M. Corley, FoE 2012 05 14 N Status No usage or replacement N. Benipal, NA 1990 08 01 Released EP00E01031538000 KW Conc. J. Schult Controlled document at www.MATS Copyright 2014, Ford Globa

2、l Technologies, LLC Page 1 of 3 PRIMER, TWO PACK, PLASTIC SUBSTRATES, HIGH WSK-M6J147-B FLEXIBLE 1. SCOPE The material defined by this specification is a highly flexible primer for plastic substrates. It must be cured with a suitable isocyanate hardener. 2. APPLICATION This specification was release

3、d originally for material used as two pack primer for plastic bumpers made from polycarbonate prior to the application of top coats. The primer is suitable for use with solvent based highly flexible solid color topcoats and with water based as well as solvent based basecoats in combination with high

4、ly flexible clearcoats. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 COMPOSITION 3.2.1 Resin: Synthetic resins 3.2.2 Pigments: Pigments to obt

5、ain the desired properties 3.2.3 Solvents 3.3 MATERIAL PROPERTIES 3.3.1 Non-volatile see Initial Sample +/- 1%; (FLTM BI 102-01) 60% min. The non-volatile content shall be determined at a spray viscosity of 25 s according to para 3.3.4. 3.3.2 Density see Initial Sample +/- 0.02 g/mL (ASTM D1475) 3.3

6、.3 Viscosity as supplied see Initial Sample +/- 5 s (FLTM BI 111-01) 3.3.4 Spray Viscosity as specified by the supplier (FLTM BI 111-01, FC #4) The material can be reduced with xylene, butyl acetate or any other suitable thinner. ENGINEERING MATERIAL SPECIFICATION WSK-M6J147-B Copyright 2014, Ford G

7、lobal Technologies, LLC Page 2 of 3 3.3.5 Mixing ratio as specified by the supplier The material shall be cured with isocyanate hardener WSK-M99J359-A, WSK-M99J360-A. 3.3.6 Dry Hiding Power 20 m max (FLTM BI 158-01) 3.3.7 Storage Stability 3.3.7.1 Accelerated Shelf Stability (FLTM BI 102-03) Paint s

8、hall not jell, settle hard or increase viscosity in excess of 10s 3.3.7.2 Stability after aging During a storage of 90 days between 5 and 32 C the material as supplied shall not settle up or cake insoluble. After the storage the material must pass all specification requirements. 3.4 PREPARATION OF T

9、EST PANELS 3.4.1 Substrate Polycarbonate, polyurethane, polyamide, polypropylene or ABS as specified on the Engineering Drawing. Note: PP/EPDM plastic surfaces must be suitably activated using flaming or primed with an adhesion primer prior to painting. 3.4.2 Plastic Preparation The surface to be pa

10、inted shall be cleaned by an acceptable process, e.g. power wash, to remove mold releasing agents, fingerprints, oils, dirt and moisture. 3.4.3 Primer application (see also 4.2) Dry film thickness: 25 - 35 micrometer; Flash off time: 3 minutes; Baking (optional): 20 minutes at 80 C (Object temperatu

11、re). 3.4.4 Top coat application Application of currently used two pack high flexible top coat systems, film thickness and baking as specified in the relevant material specification. 3.4.5 Aging Test panels prepared under this specification shall be aged for at least 168 h at 23 +/- 2 C or 16 h at 45

12、 +/- 1 C before testing for resistance properties. ENGINEERING MATERIAL SPECIFICATION WSK-M6J147-B Copyright 2014, Ford Global Technologies, LLC Page 3 of 3 3.5 APPEARANCE (Primer only) 3.5.1 Color light grey (FLTM BI 109-01) 3.5.2 Gloss matt or semigloss (FLTM BI 110-01, 60) 3.6 RESISTANCE PROPERTI

13、ES Test panels and plastic parts painted according to para 3.4 of this specification shall meet all the requirements of the applicable performance specification: WSS-M2P180-D/Latest for rigid substrates or WSS-M2P181-C/Latest for flexible substrates). 3.7 QUALITY The primer must be adaptable for app

14、lication in accordance with the appropriate Ford Motor Company Process Specification. The primer must be compatible with all related materials. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact

15、for questions concerning Engineering Material Specifications 4.1 DENSITY OF THE DRY FILM see Initial Sample +/- 0.02 kg/L (FLTM BI 154-02) 4.2 FILM THICKNESS The necessary film thickness in production is dependent on the surface of the part and may be increased to maximum of 80 micrometers. Flash of

16、f time as well as baking conditions must be adapted to a higher film build under the relevant process conditions. 5. SUMMARY OF REVISIONS 2014 04 10 Reactivated for usage Hardener Specs in 3.3.5 revised Added Accelerated stability requirement, 3.3.7.1 Performance Specification references in para 3.6 updated 2012 05 14 N Status 2008 04 30 Editorial. Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10 & 4