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    FORD WSB-M26G5-C-2015 MIRROR GLASS SILVER BACKING (FLAT) INTERIOR TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSB-M26G4-C).pdf

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    FORD WSB-M26G5-C-2015 MIRROR GLASS SILVER BACKING (FLAT) INTERIOR TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSB-M26G4-C).pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2015 12 09 N Status 26G5-C No replacement or usage named A. Wagenhals, NA 2004 03 31 Revised Para 3.0 inserted; para 3.1, 3.2, 3.12, 3.13 and 4 deleted 1992 02 21 NB00I10043054160 Released TRB, R.D. Moore Copyright 2015, Ford Global Te

    2、chnologies, LLC Page 1 of 3 MIRROR, GLASS, PRISMATIC, SILVER BACKING, WSB-M26G4-C (FLAT), INTERIOR MIRROR, GLASS, SILVER BACKING, (FLAT), WSB-M26G5-C INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are float glass mirrors. The reflective surface is produ

    3、ced by depositing silver on the second surface of the glass. The silver surface shall be protected with a suitable paint coating. 2. APPLICATION WSB-M26G4-C: This specification was released originally for material used for non-parallel interior rear view mirrors. It provides a two-position type of m

    4、irror which can be mechanically selected for either “day“ or “night“ driving conditions. WSB-M26G5-C: This specification was released originally for material used for interior sun visor vanity mirrors. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part pro

    5、ducers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.3 PHYSICAL AND OPTICAL REQUIREMENTS The glass mirrors must meet all requirements of the following test standards in the European market. 85/205/EEC 71/127/EEC The above standards are equivalent to

    6、each other. The glass mirrors must meet the requirements of the following standards for the North American market. FMVSS 111 Compliance shall be demonstrated by conformance to a control plan developed by the glass mirror manufacturer and approved by the Product Development Materials Activity. ENGINE

    7、ERING MATERIAL SPECIFICATION WSB-M26G4-C WSB-M26G5-C Copyright 2015, Ford Global Technologies, LLC Page 2 of 3 3.4 DIMENSIONS 3.4.1 Glass Thickness Shall be specified on engineering drawing 3.5 DEFECTS The coated glass surface shall be free from noticeable defects, such as open pits. Light short fin

    8、ish, not in excess of the master sample, is acceptable. It may contain fine scattered seeds (bubbles) less than 0.41 mm diameter, and hairline scratches not grouped. The silver coating shall be free of pinholes. 3.6 REFLECTANCE, min (SAE J964) 3.6.1 WSB-M26G4-C 3.6.1.1 Day Position 80% of the light

    9、incident on the surface. 3.6.1.2 Night Position 4.0% of the light incident on the surface. 3.6.2 WSB-M26G5-C 80% of the light incident on the surface. 3.7 DISTORTION, max (FLTM BO 120-03) 3.7.1 Flat Glass, WSB-M26G4-C 2% 3.7.2 Flat Glass, WSB-M26G5-C 3% 3.8 CYCLING, min Four cycles (96 h) No evidenc

    10、e of discoloration, poor adhesion of the reflective film to the glass, or loss of reflectivity in excess of 1%. Test Method: Two glass mirror blanks shall be placed in an oven at 70 +/- 1 C for a period of 4 h. On removal from the oven, the mirror assembly shall be placed immediately in a cold box a

    11、t - 40 +/- 1 C for a period of 4 h. On removal from the cold box, it shall be immediately placed vertically, in a humidity chamber at 95 - 100% relative humidity and 38 +/- 1 C for 16 h. ENGINEERING MATERIAL SPECIFICATION WSB-M26G4-C WSB-M26G5-C Copyright 2015, Ford Global Technologies, LLC Page 3 o

    12、f 3 3.9 SALT SPRAY, min 96 h (ASTM B 117) WSB-M26G4-C and WSB-M26G5-C No more than 6 failed spots per 930 cm2 of exposed surface which are visible to the unaided eye at normal reading distance, and no loss of reflectivity in excess of 1%. Test Method: Two glass mirror blanks shall be exposed to salt

    13、 spray with the coated side exposed and inclined at an angle of 15 from the vertical. Samples shall be arranged to prevent contact with each other and to permit free settling of the fog on the coated surfaces for the specified minimum period. 3.10 QUALITY 3.10.1 WSB-M26G4-C; Surface finish shall be

    14、equivalent to that of the approved master sample, and shall meet the requirements of ASTM C 1036 Type I, Class I q2 quality. Interior Mirror edges: . Shall have a frosted (non-glare) edge with a maximum surface roughness of 7.87 - 0 micrometers RMS, and no shiners or wheel skips. . The edge shall be

    15、 either crowned or flat to convex with edge chamfers of 0.25 - 0.76 mm depth and height of 0.50 - 1.27 mm. . Front surface flake shell chips shall not be visible in the encased assembly, and second surface chips shall be a maximum of 1.8 mm. 3.10.2 WSB-M26G5-C The surface finish shall be equivalent

    16、to that of the approved master sample, and shall meet the requirements of ASTM C 1036 Type I, Class I q2 quality. 3.11 OPTICAL CHARACTERISTICS 3.11.1 WSB-M26G4-C The finished mirror shall pass the following test for image resolution. Test method: When viewed in the normal operating position (at the distance of the mirror from the drivers eye), the angular separation of the mirror surfaces shall be sufficient so that only one of the two images can be resolved at one time.


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