FORD ESB-M70J5-A-2005 PAINT POWDERED THERMOSETTING POLYESTER TO BE USED WITH FORD WSS-M99P1111-A 《热固聚酯粉末状油漆 与标准FORD WSS-M99P1111-A一起使用 》.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 07 28 Revised Inserted 3.0; Deleted 3.8 Revised 5. 1981 03 19 Released CALI-MF-588532-1 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 5 PAINT, POWDERED, THERMOSETTNG POLYESTER ESB-M70J5-A 1. SCOPE

2、 This specification defines the material requirements for thermosetting polyester powder coatings as applied to unprimed metal substrates. The powder coating shall provide good initial appearance with adequate durability and corrosion resistance. 2. APPLICATION This specification was released origin

3、ally for powder coatings used on automotive vent window and division bar assemblies as an alternate coating to that provided by ESB-M6J119 primer and ESB-M32J101 enamel combined. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to

4、the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 COMPOSITION 3.1.1 Specific Composition When it is necessary to obtain specific data regarding powder coating formulations, suppliers will furnish such data on request. 3.1.2 Vehicle Solids The vehicle solids shall be p

5、olyester resins modified with suitable cross linking, catalytic and flow control agents as necessary to meet the requirements of para 3.2 - 3.5. 3.1.3 Pigment The pigment portion shall contain the necessary corrosion inhibiting pigments and/or flattening agents to meet the requirements of para 3.2 -

6、 3.5. 3.1.4 Toxicity All suppliers of powder must provide a toxicological study to the Industrial Hygiene Department of the Ford Motor Company for evaluation of any potential health hazards associated with the use of their product. 3.2 PHYSICAL PROPERTIES 3.2.1 Non-Volatile Solids, min 97% when test

7、ed 3 h at 107 C (ASTM D 3451) 95% when tested 30 min at 204 C ENGINEERING MATERIAL SPECIFICATIONESB-M70J5-APrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 5 3.2.2 Shelf Stability The powder must be capable of satisfactory application without conditioning after

8、 6 month storage at 20 +/- 5 C. 3.2.3 Particle Size Distribution 75 - 95% smaller than 44 m (ASTM D 3451) None larger than 70 m 3.2.4 Specific Gravity 1.45 - 1.80 (ASTM D 153) 3.3 PREPARATION OF TEST PANELS Test panels shall be prepared as described by ASTM D 3451 with the following specific require

9、ments: The coating shall be tested over the following substrates (see para 5.2). . PTQ unpolished cold rolled steel . ESB-M1A62 galvanized steel . AA 3003, H-14 aluminum . Bimetallic coachjoint panels, salt spray only (para 3.5.6) All substrates are to be zinc phosphated per ESB-M3P1 or iron phospha

10、ted per ESB-M3P2 prior to coating. The candidate powder shall be electrostatically applied and cured as follows: 3.3.1 Bake Schedule, min 7 minutes at 204 C metal temp 3.3.2 Cured Film Thickness, min 0.002 in (50.8 m) (FLTM BI 117-01) Panels shall be aged 16 h at 43 C or 72 h above 23 +/- 2 C before

11、 testing for resistance properties. 3.4 FILM PROPERTIES 3.4.1 Color (FLTM BI 109-01) Shall match the standard color panel issued by AAD Paint Operations and concurred in by the Design Center. 3.4.2 Gloss (FLTM BI 110-01, using glossmeter as specified below) Shall be specified by means of a letter su

12、ffix to the color number assigned by Styling as follows: A: 20 glossmeter, min 72 B: 60 glossmeter, min 76 C: 60 glossmeter 70 +/- 4 D: 60 glossmeter 62 +/- 4 E: 60 glossmeter 50 +/- 3 F: 60 glossmeter 35 +/- 3 G: 60 glossmeter 20 +/- 3 H: 60 glossmeter 10 +/- 3 J: 60 glossmeter 6 ENGINEERING MATERI

13、AL SPECIFICATIONESB-M70J5-APrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 3 of 5 3.4.3 Final Hardness (After aging 72 h, min above 20 C . Tukon K10, min 7.5 KHN (FLTM BI 112-02) . Sward Rocker (alternate), min 36 (FLTM BI 112-01) 3.4.4 Film Thickness, min 0.002 in

14、 (51 m) (FLTM BI 117-01) 3.4.5 Polishing Shall be capable of being sanded and polished only, to minimize orange peel or to remove defects. No noticeable change in gloss or appearance, except for a minimum of polishing lines shall result. Deep polishing lines or swirl marks are not acceptable. 3.5 RE

15、SISTANCE PROPERTIES 3.5.1 Chip Resistance Chipping shall not . (FLTM BI 007-01) exceed Fig. 3 . (SAE J400) 4B max 3.5.2 Paint Adhesion Grade 0 (FLTM BI 106-01) No flaking or chipping of the coating when tested according to both Part “A“ and Part “B“ of this Test Method. 3.5.3 Condensing Humidity, mi

16、n 240 h (FLTM BI 104-02, Method “A“) There shall be no blistering, peeling or loss in holdout. 3.5.4 Cure Test The coating shall exhibit only slight dulling and slight color transfer to the cloth when tested as follows: Test Method: Rub a soft cloth saturated with a solution of 1 part methyl ethyl k

17、etone (MEK) to 17 parts of toluene, over the coating in one area for 30 s and examine. 3.5.5 Abrasion Resistance, min 6,500 cycles at the specified (FLTM BN 108-02, CS-10 minimum film thickness wheels, 500 g load) 3.5.6 Salt Spray (FLTM BI 103-01) 3.5.6.1 PTQ Steel, Galvanized Steel 240 h and Alumin

18、um Panels No failure in the specified time by blistering, rusting or more than 1/8 in (3 mm) rust or blister creepage from a line scribed to bare metal. ENGINEERING MATERIAL SPECIFICATIONESB-M70J5-APrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 4 of 5 3.5.6.2 Bime

19、tallic Coachjoint Panels No more than 1/8 in (3 mm) rust, blister creepage or loss of adhesion after: (1) 240 h at the scribe (place the scribe prior to testing to bare metal across both substrates and at right angles to the joint). (2) 750 h at the joint on either the steel or galvanized side. 3.5.

20、7 Resistance to Water and Soap Spotting (FLTM BI 113-01) 3.5.7.1 Water Spot Discoloration, max 0.3 N.B.S. 3.5.7.2 Soap Spot Discoloration, max 0.3 N.B.S. 3.5.8 Resistance to Acid Spotting No discoloration (FLTM BI 113-05) after 10 min Discoloration after 20 and 30 min shall be no greater than the st

21、andard on file in the BEPE Materials and Corrosion Protection Engineering Department Laboratory. 3.5.9 Accelerated Weathering Resistance, min 3.5.9.1 (FLTM BO 101-01) 400 h (XW Atlas Weatherometer) 3.5.9.2 (ASTM G-53-77) 500 h (Atlas UVCON (or equivalent) with a cycle of 4 h UV exposure at 60 C and

22、4 h condensing humidity at 50 C) The coating shall show a minimum degree of fading, chalking, dulling or color change. No greater loss of gloss is permitted than equivalent approved production colors. No increase of brittleness or loss of adhesion is permitted and the coating shall be completely fre

23、e from evidence of cracking, checking, blistering, peeling or rusting after exposure. 3.5.10 Florida Exposure, min 12 months (5 facing south in Miami area. Panels shall be scribed to bare metal prior to exposure) The coating shall show a minimum degree of fading, chalking, dulling or color change. N

24、o greater loss of gloss is permitted than equivalent approved production colors. No increase of brittleness or loss of adhesion is permitted and the coating shall be completely free from evidence of cracking, checking, blistering, peeling or rusting after exposure. No more than 1/8 in (3 mm) rust or

25、 blister creepage allowed at the scribe. 3.5.11 Water Resistance after Florida Exposure After panels have completed 12 months Florida exposure, they shall be tested for 24 h water immersion (FLTM BI 104-01). Upon removal of panels from water, immediately scribe a small “X“ near the bottom of the pan

26、el. Dry the panel with an absorbent towel and immediately apply ESF-M3G46 tape with firm thumb pressure. Remove the tape by pulling one end at a 90 angle with moderate speed. There shall be no removal of paint beyond 1/16 in (1.6 mm) from scribe lines. There shall be no evidence of blistering. ENGIN

27、EERING MATERIAL SPECIFICATIONESB-M70J5-APrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 5 of 5 3.6 EXPLOSION HAZARD These materials should be used in a closed system specifically designed for their use because of the possibility of dust explosion present in powdere

28、d material. 3.7 HANDLING PRECAUTION This material shall be considered as relatively non-toxic compared to liquid paint. However, care should be taken to avoid prolonged exposure to the skin. This material should be used in a closed system to reduce the possibility of breathing the powder. 5. GENERAL

29、 INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 PAINT PERFORMANCES SPECIFICATION REFERENCES ESB-M2P119 Paint Performance - Exterior, High Visibility - Thermosetting Polyester, Urethane and Acrylic Powder Coa

30、tings 5.2 PANEL INFORMATION 5.2.1 Standard unpolished, bimetallic coachjoint, aluminum, and galvanized steel test panels are available from the Parker Co., 322 Main Street, Morenci, Michigan 49256. 5.2.2 Steel for PTQ test panels is periodically selected by the Materials and Corrosion Protection Eng

31、ineering Department from coils representative of production steel employed in Ford production body panels. This steel is specified for many primer salt spray tests and may be procured from the Materials and Corrosion Protection Engineering Department in panel form either phosphated or oiled. 5.2.3 B

32、imetallic Coachjoint Panel Construction The test panels shall consist of two 4 x 12 in (100 x 300 mm) clean unphosphated panels (one unpolished CRLC steel and one minimum spangle temper rolled galvanized steel - ESB-M1A62 type) as described in FLTM BI 103-02 flanged and spot welded together along th

33、e 12 in (300 mm) dimensions to form a coachjoint. The inside radius shall be 1/8 in (3 mm) and the flange shall be 5/8 in (16 mm) wide with spot welds spaced every 2 in (50 mm). The composite coachjoint panel shall be zinc phosphate coated per ESB-M3P1 or iron phosphate coated per ESB-M3P2 prior to powder coating.