1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 11 17 N-STATUS Re-activate to N-Status R. Lord 2004 03 31 INACTIVATED Inactivated M2P161-A1/A2, replaced by WSS-M2P188-A1 C. Lin 1991 01 02 Released C01089480 KW, KPM conc. J. Schult Printed copies are uncontrolled Copyright 2006, Ford Gl
2、obal Technologies, LLC Page 1 of 4 PAINT PERFORMANCE, PLASTIC SUBSTRATES, WSK-M2P161-A INTERIOR, LOW PERFORMANCE LEVEL PAINT PERFORMANCE, PLASTIC SUBSTRATES, WSK-M2P161-A2 INTERIOR 500 kJ ARTIFICIAL WEATHERING NOT TO BE USED FOR NEW DESIGN 1. SCOPE These specifications define the performance require
3、ments for paint films on plastic parts for interior use. 2. APPLICATION These specifications were released originally to define paint performance requirements of one coat paint systems for various interior applications. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material supp
4、liers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 PARAGRAPH DELETED 3.3 SYSTEM COMPONENTS 3.3.1 Substrate ABS, Polycarbonate, Polypropylene or as specified on Engineering Drawing. 3.3.2 Plastic Preparation (see also 5.1) The su
5、rface to be painted shall be cleaned by an acceptable process, e.g. power wash, to remove mold releasing agents, fingerprints, oils, dirt and moisture. 3.3.3 Primer Where necessary in order to meet the requirements of this specification, an adhesion primer, primer surfacer or primer sealer must be u
6、sed or as specified on Engineering Drawing. 3.3.4 Top Coat Suitable to meet the requirements of this specification or as specified on Engineering Drawing. 3.3.5 Film Thickness As specified in applicable paint material specification. ENGINEERING MATERIAL SPECIFICATIONWSK-M2P161-A/A2 Printed copies ar
7、e uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.3.6 Ageing Test panels or test specimens prepared for investigations according to this specification must be aged for at least 72 hours at 23 +/- 2 C or 16 hours at 45 +/- 1 C prior to testing. 3.3.7 Production Paint Repair R
8、epaired areas must meet the requirements of this specification. All repair materials and processes used must be approved by the affected Product Engineering Office. Maximum film thickness for repaired parts will be specified in the mutually agreed control plan. 3.4 APPEARANCE Color, gloss, grain and
9、 surface finish shall match master Trim Sample and/or Master Appearance Sample as approved by Design. The painted areas shall be opaque on clear plastic parts which are backlighted or edge lighted. 3.4.1 Color See approved sample (FLTM BI 109-01) 3.4.2 Gloss See approved sample (FLTM BI 110-01, 60 g
10、lossmeter) 3.5 RESISTANCE PROPERTIES 3.5.1 Adhesion Grade 0 (FLTM BI 106-01, Method B) 3.5.2 Water Immersion Test 24 h (FLTM BI 104-01) No blistering, softening, dulling, color change or loss of adhesion per 3.5.1. 3.5.3 Resistance to Water and Soap Spotting, max discoloration Rating 4 - 5 (FLTM BI
11、113-01) Evaluation according to the AATCC Scale. No film softening 3.5.4 Resistance to Synthetic Perspiration Staining (WSK-M2P161-A only) (FLTM BI 113-03) No softening, change in color tone or gloss. 3.5.5 Resistance to Scratching, max Rating 1 (WSK-M2P161-A only) (FLTM BN 108-13, 2N force) 3.5.6 R
12、esistance to Scuffing 1000 cycles (WSK-M2P161-A2 only) (FLTM BN 108-04, head “A“ 0.9 kg load) No wear-through to exposed substrate. ENGINEERING MATERIAL SPECIFICATIONWSK-M2P161-A/A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 3.6 ENVIRONMENTAL CYCLING (I
13、nitial Qualification Only) 3 cycles (FLTM BQ 104-07, Procedure 5) Evaluation after 20 h conditioning at 23 +/- 2 C. No evidence of cracks, no blistering, no change in appearance or other failure when compared with an original unaged part. Adhesion shall meet the requirements of 3.5.1. 3.7 HEAT RESIS
14、TANCE (7 d at 80 +/- 2 C) No color change, blistering or loss of adhesion per 3.5.1. 3.8 RESISTANCE TO IMPACT AT LOW TEMPERATURES (FLTM BO 151-01, Method B, -30 C) No cracking and no loss of adhesion. 3.9 FLORIDA WEATHERING UNDER GLASS (FLTM BI 160-01, 12 months) Applicable to parts using materials
15、without previous Florida weathering approval. Test panels or specimens painted according to para 3.3 of this specification shall be exposed under glass in the area of Miami, Florida, 5 facing south for the required exposure time. Evaluation: No blistering, peeling, cracking, crazing, chalking, yello
16、wing, loss of gloss or any other deterioration. No color change in excess of AATCC Rating 4. 3.10 RESISTANCE AGAINST ARTIFICIAL WEATHERING (SAE J1885) WSK-M2P161-A 225 kJ WSK-M2P161-A2 500 kJ Evaluation: No blistering, peeling, cracking, crazing, chalking, yellowing, loss of gloss or any other deter
17、ioration. No color change in excess of AATCC rating 4. No loss of adhesion greater than grade “1“ after 24 h water immersion per 3.5.2. 3.11 RESISTANCE TO CLEANING AGENTS, max discoloration Rating 4 (FLTM BN 107-01, 10 cycles) Test Procedure: Substitute a painted plaque for the textile material. Sat
18、urate white cotton cloth with the cleaners listed. Evaluation according to the AATCC Scale. Cleaners (see also 5.2) 1) Window cleaner with ammonia 2) All Purpose Cleaner 3) IPA (50%) (NAAO only) (5 cycles, Rating 3) 3.12 CROCKING TEST Wet/Dry Rating 4 (FLTM BN 107-01) ENGINEERING MATERIAL SPECIFICAT
19、IONWSK-M2P161-A/A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4 3.13 ABRASION RESISTANCE, min 1000 cycles (FLTM BN 108-02, CS-10 wheels, 5 N test force) Abrasion resistance shall be determined on test panels with smooth surface at a paint film thickness o
20、f 25 micrometer. The paint film shall show no abrasion through to the substrate. 3.14 INITIAL HARDNESS The finish shall be sufficiently hard at time of packing and shipping to withstand normal handling without damage. 3.15 FOGGING (WSK-M2P161-A2 only) (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 6
21、0 Formation of excessive amounts of clear film, droplets or crystalline particles is cause for rejection. 3.16 PARAGRAPH DELETED 4. PARAGRAPH DELETED 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5
22、1 PRETREATMENT For polypropylene substrates a pretreatment, e.g. by flame process may be necessary prior to painting to provide sufficient paint adhesion. 5.2 CLEANING AGENTS (See 3.11) EAO NAAO 1) Window cleaner with ammonia Current material E4AZ-19C507-AA 2) All Purpose Cleaner Current material E0AZ-19526-AA 3) IPA (50%) N/A In DI/Distilled Water
