1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Released 2008 11 06 B N-STATUS Replaced by WSS-M99P32-B B. Witkowski, FNA 1994 12 16 Revised and Retyped, was 15 pages 1981 04 22 SM/EQ8763TP Released WP 3948-a Page 1 of 9 DEADENER SHEETING, LOW DENSITY, HIGH TE
2、MPERATURE SK-M99G9528-A FUSIBLE INACTIVE DEADENER SHEETING, LOW DENSITY, HIGH TEMPERATURE SK-M99G9528-B FUSIBLE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a deadener sheeting of low density based on bitumen, synthetic resins and mineral filler with an anti-b
3、locking surface finish on one side. 2. APPLICATION This material was originally released for heat bonding to EC primed floor panels in the passenger compartment during primer oven exposure. 3. REQUIREMENTS Note: The material shall be conditioned for a minimum of 24 hours at 23 +/- 2 C and 50 +/- 5 %
4、 relative humidity prior to test. Unless otherwise specified, use test panels EC-coated according to FLTM EU-BI 20-1, A and C. 3.1 COLOR Black or as specified on Engineering drawing 3.2 SOLIDS, min 99 % (FLTM EU-BV 50-10) 3.3 ASH, max 65 % (FLTM Eu-BV 50-10) 3.4 THICKNESS, max 1.9 mm (Slide gauge) O
5、r as specified on Engineering drawing. 3.5 DENSITY 1.65 +/- 0.1 g/cm3 (ISO R 1183, Method A) ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page 2 of 9 3.6 MOLDABILITY After heat curing the material shall fit tightly to the panel without evidence of blisters of cracks. Note
6、: Test according to Figure 2 is only applicable if required on Engineering drawing. Test Method: 1) Apply test material to test panels according to Figure 1 and 2. 2) Cure test assemblies according to FLTM EU-BV 50-5, Table 2 (separate test assemblies for each curing cycle). a) minimum heat curing c
7、ycle b) maximum heat curing cycle 3) Examine after cooling to room temperature. 3.7 RESISTANCE TO SAGGING No sagging of test material, no blisters or cracks. Test Method: 1) Apply test material to the panels as shown on Figure 3. 2) Further test assembly preparation according to clause 3.6, test met
8、hod, section 2. 3.8 COLD ADHESION AFTER HEAT AGEING (FLTM EU-BV 51-2, Method B, heat ageing 14 d at 80 C +/- 2 C, Load “A“, - 25 +/- 2 C; curing cycle according to 3.6 of test method, section 2, test panel thickness 1.5 +/- 0.1 mm) No chipping, no loss of adhesion or blistering. 3.9 ADHESION AFTER H
9、EAT AGEING (FLTM EU-BV 55-2, Method B, heat ageing 14 d at 80 +/- 2 C, load “A“, curing cycle according to 3.6 of test method, section 2, test panel thickness 1.5 +/- 0.1 mm) No chipping, no loss of adhesion or blistering. ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page
10、 3 of 9 3.10 CORROSION RESISTANCE No corrosion Test Method: 1) Apply material under test in the dimension of 280 x 280 mm centrally on 300 x 300 mm test panels, prepared according to clause 3, note. 2) Expose separate test assemblies to: a) minimum heat curing cycle b) maximum heat curing cycle of F
11、LTM EU-BV 50-5, Table 2. 3) Condition test specimens for 24 hours at room temperature; then store specimens in a humidity cabinet for 240 hours at 38 +/- 1 C and 98 +/- 2 % relative humidity. 4) Remove a 30 x 280 mm strip of material from test specimens and examine for evidence of corrosion. 3.11 TE
12、MPERATURE CYCLING TEST No chipping, shrinkage, blistering or loss of adhesion. Test Method: 1) Specimen preparation according to 3.10 of test method, section 1 and 2, test panel thickness 1.5 +/- 0.1 mm. 2) Condition test specimens for 24 hours at room temperature and subject three times to the foll
13、owing cycle in the sequence indicated below: 3 h at 80 +/- 2 C 1 h at 23 +/- 2 C 3 h at - 30 +/- 1 C 1 h at 23 +/- 2 C 16 h at 38 +/- 2 C and 98 +/- 2 % relative humidity 3) After 24 hours at room temeprature test the specimens according to FLTM EU-BV 55-2, Method A, clause 6 - 10, load “A“, at room
14、 temperature. ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page 4 of 9 3.12 PAINTABILITY No chipping, no loss of adhesion or blistering. Discoloration and staining permitted. Test Method: 1) Apply centrally to 100 x 300 mm test panel according to clause 3, note, 80 x 280
15、mm sections of material under test and proceed as follows.: a) Cover test assembly with production spray primer in a dry film thickness of about 10 micrometer. b) After 10 minutes conditioning at room temperature cure 10 minutes at 165 C metal temperature. c) After cooling to room temperature cover
16、test specimen with light colored production enamel in a dry film thickness of approximately 10 micrometer. d) Condition 10 minutes at room temperature and cure 10 minutes at 130 C metal temperature. 3.13 PALLETIZING The material shall separate easily from each other without tearing. Test Method: 1)
17、Cut from material under test 5 specimens 100 x 100 mm and determine weight and thickness per specimen. 2) Ply-up and cover with an aluminum plate of same size. 3) Load with a dead weight equalling a plied-up height of 600 mm minus the weight of 5 specimens and cover plate. 4) Expose test assembly in
18、 a mechanical convected air dry oven maintained at a temperature of 35 +/- 2 C for 2 weeks. Cool to room temperature, remove weight and cover plate and examine as described above. 3.14 DAMPING FACTOR (FLTM EU-BV 60-1, heat fuse according to FLTM EU-BV 50-5, Table 2, min curing cycle. Test after 24 h
19、 conditioning at 23 C +/- 2 C) a) Thickness max 1.9 mm: min eta = 0.11 b) Thickness max 2.7 mm: min eta = 0.17 ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page 5 of 9 3.15 ADHESION Material must not be removed from panel without being destroyed. Test Method: 1) Specimen
20、preparation according to 3.6, test method, section 1 and 2. 2) After 2 h storage at room temperature make two cuts through the test material along the whole length and try to peel-off test material starting at the edge. 3.16 PENETRATION, max 0.7 mm Test Method: 1) Specimen preparation according to 3
21、.6, test method, section 1 and 2. 2) After 24 hours at room temperature, test penetration with a 11.3 mm dia indentor foot at a loading of 400 N/cm2 for 30 seconds. 3.17 FLAMMABILITY 3.17.1 SK-M99G9528-A (ISO 3795) Burn Rate, max 250 mm/minute 3.17.2 SK-M99G9528-B (FLTM EU-BV 24-2) Burn Rate, max 10
22、0 mm/minute In order to comply with Federal Motor Vehicle Safety Standard No. 302, the materials, portions of components, and composites shall not burn or transmit a flame across their surface, at a rate of more than 100 mm/minute. To demonstrate compliance, the sample size and method of testing sha
23、ll be in accordance with FLTM EU-BN 24-2. ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page 6 of 9 3.17.2.1 Performance - Environmental Ageing Requirement All materials, portions of components, and composites defined by this specification that have not been treated, modif
24、ied or reformulated, and exceed a maximum burn rate of 75 mm per minute as specified by the Flammability Lot Sampling Plan of FLTM EU-BN 24-2, must be evaluated for permanency of the materials flame retardant properties per SK-M99P9500-A, Table 1 according to the accelerated environmental ageing req
25、uirements applicable to the basic material category of this particular specification. Any material, portions of components, and composites defined by this specification that have been treated, modified or reformulated to conform to Flammability Lot Sampling Plan of FLTM EU-BN 24-2, regardless of max
26、imum burn rate, must be evaluated for both permanency of materials flame retardant properties and changes in mechanical, chemical and physical properties per SK-M99P9500-A, Table 1 applicable to the basic material category of this particular specification. 3.18 QUALITY The material shall be of unifo
27、rm quality free from foreign material and properties detrimental to normal production use. It shall not cause excessive soiling of handlers in normal production use. 3.19 SUBSTANCE CONTROL Legal, health, safety and environmental constraints may apply to the materials which are submitted for approval
28、 to this specification. Refer to Engineering Material Specification SK-M99P9999-A. 3.20 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any change in the proper
29、ties, composition, construction, color, processing or labeling of the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify Purchasing, Toxicology and the affected Materials En
30、gineering activity of the proposed changes and obtain the written approval of the Materials Engineering activity. Test data, test samples and a new code identification are to be submitted with the request. ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page 7 of 9 Substance
31、 restrictions imposed by law, regulations or Ford, apply to the materials addressed by this document. The restrictions are defined in Engineering Materials Specification WSS-M99P9999-A1. 4. APPROVAL OF MATERIALS Materials defined by this specification must have prior approval by the responsible Mate
32、rials Engineering activity. Suppliers desiring approval of their materials shall first obtain an expression of interest from the affected Purchasing, Design and Materials Engineering activity. Upon request, the Supplier shall submit to the affected Materials Engineering activity a completed copy of
33、their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of this specification (test results, not nominal values), the material designation and code number, and test specimens for Ford evaluation.
34、 Fords engineering approval of a material will be based on its performance to this specification and on an assessment of suitability for intended processes and/or applications. Upon approval, the material will be added to the Engineering Material Approved Source List. 5. GENERAL INFORMATION The info
35、rmation given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 STORAGE STABILITY (From date of receipt at Ford Motor Company) Minimum 6 months when stored between 5 C and 28 C. 5.2 HEIGHT IN STORAGE As recommended by supplier. ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page 8 of 9 ENGINEERING MATERIAL SPECIFICATION SK-M99G9528-A SK-M99G9528-B WP 3948-b Page 9 of 9
