FORD WSS-M3G234-A2-2006 MASKING TAPE - VINYL AND POLYESTER COMPOSITE BASED BAKEABLE《可焙干的乙烯基和聚酯复合材料基遮蔽胶带》.pdf
《FORD WSS-M3G234-A2-2006 MASKING TAPE - VINYL AND POLYESTER COMPOSITE BASED BAKEABLE《可焙干的乙烯基和聚酯复合材料基遮蔽胶带》.pdf》由会员分享,可在线阅读,更多相关《FORD WSS-M3G234-A2-2006 MASKING TAPE - VINYL AND POLYESTER COMPOSITE BASED BAKEABLE《可焙干的乙烯基和聚酯复合材料基遮蔽胶带》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 11 27 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 4; Corrected numbering 5 2001 05 17 Activated M. Mehandru Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 5 MASKING TAPE - VINYL AND POLYESTE
2、R WSS-M3G234-A2 COMPOSITE BASED, BAKEABLE 1. SCOPE The material defined by this specification is a vinyl and polyester composite masking tape that is removable after paint oven bake conditions, without any residue that affects glass bonding. 2. APPLICATION This specification was released originally
3、for materials used to provide localized masking of the windshield and other painted metal flanges prior to the application of urethane adhesive. This tape is to be applied to electrocoated metal surfaces. Tape removal is performed after paint oven bakes. 3. REQUIREMENTS Material specification requir
4、ements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 TAPE PROPERTIES 3.4.1 Breaking Strength (ASTM D 100
5、0, pull at 300 mm/min) As Received (roll material), MPa 35 min. After Bake, Change, % +/- 20 (bake per para 5.3, schedule 2) 3.4.2 Elongation, % (ASTM D 1000, pull at 300 mm/min) As Received (roll material) 80 min After Bake, Change, % +/- 20 (bake per para 5.3, schedule 2) 3.4.3 Total Thickness (ro
6、ll material), mm 0.172 +/- 0.03 ENGINEERING MATERIAL SPECIFICATION WSS-M3G234-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 3.4.4 Adhesion, N/mm (180 peel adhesion per ASTM D 1000) To Steel (roll material) 0.25 min To Electrocoat Surface 0.25 min Shall
7、be removed in a continuous film leaving no residue on surfaces that affects windshield adhesive adhesion. 3.4.4.1 Mask removal after process bake 3.4.4.2 Mask removal after 2 weeks heat age at 38 C Test Method: - Prepare six 100 x 300 x 0.9 mm electrocoat panels as described in para 5.2 for each ele
8、ctrocoat bake condition per 5.3, schedule 1 and 2. - Apply a 25 x 200 mm tape along the center line of each electrocoat panel. - Expose minimum electrocoat bake panels to para 5.3, schedule 1, primer and topcoat bakes, and maximum electrocoat. - Cool panels to room temperature. - Conduct 180 peel te
9、st per the above ASTM procedure. - Expose the remaining three panels from minimum and maximum bake conditions to 2 weeks at 38 C. - Cool panels to room temperature and conduct peel test. 3.5 BONDING PERFORMANCE TO ELECTROCOAT SURFACE AFTER TAPE REMOVAL (Shall meet all the requirements of shear adhes
10、ion per WSB-M2G316B, 3.7.1.) Panel Preparation: - Prepare ten electrocoat coupons per each exposure condition described in WSB-M2G316-B, para 3.7.1. Use electrocoat as specified in para 5.2. Bake five coupons at minimum and five coupons at maximum electrocoat bake per 5.4, schedule 1 and 2. - Apply
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