FORD WSK-M4G245-B-1991 SEALER POLYURETHANE SOLVENT RELEASE AIR DRYING《晾干式溶剂释放型聚氨酯密封剂[替代 FORD ESK-M4G245-A]》.pdf
《FORD WSK-M4G245-B-1991 SEALER POLYURETHANE SOLVENT RELEASE AIR DRYING《晾干式溶剂释放型聚氨酯密封剂[替代 FORD ESK-M4G245-A]》.pdf》由会员分享,可在线阅读,更多相关《FORD WSK-M4G245-B-1991 SEALER POLYURETHANE SOLVENT RELEASE AIR DRYING《晾干式溶剂释放型聚氨酯密封剂[替代 FORD ESK-M4G245-A]》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Revisions1991 03 01 C01089482000 Released W. Scholz Conc. J. SchultWP 3948-a Page 1 of 5SEALER, POLYURETHANE, SOLVENT RELEASE, WSK-M4G245-BAIR DRYING1. SCOPE:The material defined by this specification is a solvent relea
2、se onecomponent sealer based on polyurethane. It cures at room temperature inthe presence of moisture.2. APPLICATION:This specification was released originally for dealer repair shops forthe repair of interior and exterior body joint seams. The material is tobe applied to dry, grease free and primed
3、 surfaces. After applicationcondition for at least 5 h at 23 +/- 2 C and 50 +/- 5 % relative humidity(based on an application thickness of max 3 mm) prior to painting.3. REQUIREMENTS:Note: Unless otherwise specified use:a) EC-coated test panels according to FLTM BI 120-01, Method C andb) test panels
4、 prepared according to FLTM BI 103-02, Method Bb, exceptonly EC-coated and spray primer.3.1 STATISTICAL PROCESSSuppliers must conform to the requirements of Ford Quality SystemStandard Q-101. A mutually acceptable Control Plan as describedtherein is required for material/source approval. Appropriate
5、statistical tools must be used to analyze process/product data sothat variation in the final product is continuously reduced.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/orthermal analysis of material/parts supplied to this specifi
6、cation.The IR spectra and thermograms established for initial approvalshall constitute the reference standard and shall be kept on fileat the designated material laboratory. All samples shall produce IRspectra and thermograms that correspond to the reference standardwhen tested under the same condit
7、ions.ENGINEERING MATERIAL SPECIFICATION WSK-M4G245-BWP 3948-b Page 2 of 53.3 CONDITIONING AND TEST CONDITIONSAll test values indicated herein are based on material conditionedin a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relativehumidity for not less than 24 h prior to testing and tested u
8、nderthe same conditions unless otherwise specified.3.4 FLASH POINT Above 25 C(ASTM D 56)3.5 COLOR White or as specified onEngineering Drawing3.6 SOLIDS, min 82 %(FLTM BV 150-10)3.7 ASH, max 14 %(FLTM BV 150-10)3.8 DENSITY AT 20 C 1.15 - 1.25 kg/L(ASTM D 1475)3.9 VISCOSITY AT 20 C(FLTM BV 103-01, noz
9、zle 2 mm diameter,pressure 2.8 bar)3.9.1 As Received 80 - 120 s3.9.2 After Ageing, max 140 s(14 d at 30 +/- 2 C)3.10 FLOW RATE AT 23 +/- 2 C No sagging(FLTM BV 153-01, Method A)Test specimen prepared according to section 3. Test 1 h aftermaterial application.3.11 COLD FLEXIBILITY AFTER AGINGNo crack
10、ing, no loss of adhesion, no chipping or blistering.Test Method:. Apply 280 x 30 x 2 mm ribbons of material under test to 300 x100 x 0.8 - 0.9 mm test panels prepared according to clause 3. Expose test specimens after 24 h at 23 +/- 2 C in a mechanicallyconvected air dry oven at 70 +/- 2 C for 120 h
11、. After cooling to RT expose test assemblies and bending fixture(see FLTM BV 153-04, except 100 mm mandrel) in a cold box at- 40 +/- 2 C for 4 h. While still in the cold box bend test assemblies within 2 saround the 100 mm mandrel through an angle of 90 degrees.ENGINEERING MATERIAL SPECIFICATION WSK
12、-M4G245-BWP 3948-b Page 3 of 53.12 ENVIRONMENTAL CYCLING TEST AFTER AGINGNo cracking, no separation from substrateTest Method:. Prepare test specimens according to clause 3.11, section 1 and 2of test method. After 24 h at 23 +/- 2 C the test specimens shall be subjectedthree times to the following c
13、ycle:16 h at 98 +/- 2 % RH and 38 +/- 2 C4 h at - 40 +/- 2 C4 h at 80 +/- 2 C. Evaluation according to FLTM BV 153-03, mandrel diameter 100 mm,angle of 90 deg within 2 s.3.13 PAINTABILITYNo staining, discolouration or other deleterious effects on thepaint after exposure to each of the following expo
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- FORDWSKM4G245B1991SEALERPOLYURETHANESOLVENTRELEASEAIRDRYING 晾干 溶剂 释放 聚氨酯 密封剂 替代 FORDESKM4G245A PDF

链接地址:http://www.mydoc123.com/p-750910.html