1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 05 15 N Status No usage or replacement N. Benipal, NA 2009 04 21 Revised Added WSS-M4J213-A9, rev para 1, 2 lacquer, hardener, accelerator, anti-foaming agent, color concentrate and stopper/putty filler, a polyurethane lacquer and
2、 its associated hardener/activator, and a warm spray polyester lacquer. They are suitable for finishing purposes on wood veneer assemblies. The lacquer is unsaturated polyester A1, the accelerator cobalt, free of paraffin A2, the anti-foaming agent (defoamer) additive promoting ventilation A3, the h
3、ardener A4 and a color concentrate to tint or shade lacquers A5. A6 is a polyurethane lacquer used to provide a satin finish, the Polyurethane hardener is A8. A7 is a putty stopper for lacquer repair purposes. A9 is a polyester lacquer with increased viscosity to enable hot spray application. The la
4、cquer seals the veneer assembly and aids UV performance. 2. APPLICATION These specifications WSS-M4J213-A1 to A9 were released for materials used for wooden decorative automotive components. Application of lacquer may be manual or robotic. The specification is not for NA use. ENGINEERING MATERIAL SP
5、ECIFICATION WSS-M4J213-A1-A9 Copyright 2012, Ford Global Technologies, Inc. Page 2 of 3 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. When in the fully assembled form the veneer assembly must comply with the Material specification requirem
6、ents as specified on the engineering drawing. 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 MATERIAL PROPERTIES 3.2.1 Color Assembly to be as per Master sample
7、s 3.2.2 Viscosity at 20 C WSS-M4J213-A1 200-210 MPa.s WSS-M4J213-A4 1-2 MPa.s 4245 seconds, 2mm cup WSS-M4J213-A9 255-320 MPa.s 3.2.3 Drying/Curing, hours WSS-M4J213-A1-A5, A9: Minimum 48 - 72 hours at 20 - 25 C before sanding and curing WSS-M4J213-A6: Dust Dry 15-20 min Stack Dry 24 Hours WSS-M4J21
8、3-A7: Minimum 4-5 hours at 20 - 23 C until sanding and re-coating 3.2.4 Storage Stability Shelf life: When stored between 5 C and 30 C, WSS-M4J213-A1 3 Months WSS-M4J213-A9 4 Months WSS-M4J213-A4, A5, A8 6 Months When stored between 15 C and 30 C, WSS-M4J213-A1, A9 6 Months WSS-M4J213-A4, A5, A8 6 M
9、onths WSS-M4J213-A3 12 Months WSS-M4J213-A6 9 Months When stored between 20 23 C WSS-M4J213-A2, A3 6 months WSS-M4J213-A7 3 Months ENGINEERING MATERIAL SPECIFICATION WSS-M4J213-A1-A9 Copyright 2012, Ford Global Technologies, Inc. Page 3 of 3 Pot life: At 20 C WSS-M4J213-A1-A4 10 - 15 minutes WSS-M4J213-A6 24 Hours WSS-M4J213-A7 6 - 8 minutes WSS-M4J213-A9 18-25 minutes 3.2.5 Handling at 20 - 23 C 3.2.6 Mixing ratio WSS-M4J213-A5 up to 5% 3.3 PERFORMANCE PROPERTIES The material shall be of uniform quality, free from foreign materials and properties detrimental to normal production use.
