FORD ESB-M4G24-A-1978 SEALER CLEAR VENT WINDOW《通风窗透明密封条》.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Revisions1978 10 06 Metricated and Retyped CAH1-RD572066-1131963 06 27 Released AS1 #955WP-3948-a Page 1 of 2SEALER, CLEAR - VENT WINDOW ESB-M4G24-A1. SCOPE:The material defined by this specification is a synthetic resi

2、n base,solvent release sealer.2. APPLICATION:This specification was released originally for material used for sealingvent window glass against water, air and dust, and for sealing backlitesinto convertible tops.3. REQUIREMENTS:3.1 COLOR Water clear3.2 SOLIDS CONTENT, min 42 %(ASTM D 2834, except hea

3、t at102 +/- 3 C for 3 h)3.3 WEIGHT PER VOLUME 7.0 - 7.5 lb/gal(ASTM D 816) (0.84 - 0.90 kg/L)The weight tolerance for any one supplier shall be +/- 0.2 lb/gal(0.02 kg/L) based on the recorded weight of original approvedproduction sample.3.4 VISCOSITY 30 - 40 s(FLTM BV 3-1, 250 g load, 51 hole disc)3

4、.5 COLD FLEXIBILITY Must remain flexibleTest Method: Spread 0.010 in (0.25 mm) of material over a 2 x 6 in(50 x 150 mm) strip of aluminum foil. Air dry for 16 h minimum.Condition at -23 C for 4 h. Bend 180 deg over 1/2 in (13 mm)mandrel, also conditioned at -23 C.3.6 DRYING RATES, tack free0.010 in

5、(0.25 mm) film 3 - 4 minutes0.030 in (0.76 mm) film 15 - 18 minutes0.060 in (1.52 mm) film 27 - 30 minutes3.7 SOFTENING AT 93 C Not appreciableTest Method: Spread 0.010 in (0.25 mm) of material over a 2 x 6 in(50 x 150 mm) strip of aluminum foil. Air dry for 16 h minimum.Condition at 102 +/- 3 C for

6、 4 h. No signs of flow.ENGINEERING MATERIALS SPECIFICATIONESB-M2G24-AWP-3948-b Page 2 of 23.8 WEATHERABILITY, min 250 h(FLTM BO 1-1, Atlas weatherometer,cam cycle 102-18)Shall not yellow or craze from exposure in the weatherometer whenapplied to specimens of glass, rubber, and convertible top fabric

7、.Shall not adversely affect or stain the glass, rubber or fabric.3.9 STABILITYShall be able to withstand indefinite storage without significantchange in viscosity.3.10 WATER RESISTANCE Shall exhibit goodwater resistanceTest Method: Spread 0.010 in (0.25 mm) of the material on a paneof glass. Air dry

8、 for 4 h. Immerse in water at 23 +/- 2 C for 4h. Remove and visually observe for loss of adhesion of sealer filmto glass.3.11 SUPPLIERS RESPONSIBILITYMaterial supplied to this specification must be equivalent to thatoriginally approved. Changes in formulation or processing shallnot be made without p

9、rior approval as described in SupplierProcedure I-A.4. APPROVAL OF SUPPLIERS:Suppliers to this specification must be approved by the affected productengineering office. Procedure for gaining approval of a specificmaterial to a new/existing ES-M specification is contained in SupplierProcedure I-A. Ap

10、proved new suppliers will be added to the EngineeringMaterials Approved Source List.5. GENERAL INFORMATION:The material data included herein is for information only and is not arequirement for the supplier.5.1 FLASH POINT Below -1 C(ASTM D 56)5.2 SOLVENT Petroleum naphthaand toluol5.3 FLAMMABILITY A

11、ND/OR TOXICITYThis material represents a potential fire and/or health hazard.The Manufacturing Engineering Department shall notify both thePlant Security and the Safety Units of its presence in the Plant toassure that proper fire and/or health precautions are provided.The location in which it is used or stored shall be included in thenotification.