1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2007 03 19 Revised Inserted 3.0; Deleted 3.18 & 4 1994 12 16 Revised Revised and retyped, was 11 pages 1981 08 04 Released SM/EQ 8822 TP Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 4 DEADENER SHEETI
2、NG, MAGNETIC, HIGH TEMPERATURE FUSIBLE SK-M99G9527-A 1. SCOPE The material defined by this specification is a magnetic, heat fusible sheeting for structure borne noise damping based on bitumen and mineral filler with a non-blocking surface finish on one side. 2. APPLICATION This material was origina
3、lly released for application to EC-coated vertical door inner surfaces by heat curing in primer oven exposure. 3. REQUIREMENTS Note: The material shall be conditioned for a minimum of 24 hours at 23 +/- 2 C and 50 +/- 5% relative humidity prior to test. Unless otherwise specified, use test panels EC
4、-coated according to FLTM BI 120-01, A and C. Apply material under test with the magnetic side facing to the panel and press together evenly by hand. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Produc
5、tion Materials (WSS-M99P1111-A). 3.1 COLOR Black or as specified on Engineering drawing 3.2 SOLIDS, min 99% (FLTM BV 150-10) 3.3 ASH, max 85% (FLTM BV 150-10) 3.4 THICKNESS 1.7 +/- 0.1 mm (Slide Gauge) 3.5 DENSITY, max 2.6 g/cm3 3.6 RESISTANCE TO SAGGING The material shall fuse properly to the subst
6、rate without evidence of flow-off sagging, blistering or cracking. Test Method: 1) Apply 280 x 280 mm pieces of test material to 300 x 300 x 1.5 +/- 0.1 mm test panels prepared according to clause 3, note, and expose in vertical position (separate test assemblies for each curing cycle): ENGINEERING
7、MATERIAL SPECIFICATION SK-M99G9527-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 4 a) Minimum heat curing cycle: 10 minutes at 165 +/- 2 C metal temperature b) Maximum heat curing cycle: 20 minutes at 190 +/- 2 C metal temperature 2) Examine after cooling
8、to room temperature. 3.7 ADHESION AFTER HEAT AGEING No chipping, no loss of (FLTM BV 155-02, Method B, Load “A“ adhesion, no cracking 14 d heat ageing at 80 +/- 2 C, expose or blistering in vertical position heat curing cycle, test panel thickness 1.5 - 0.1 mm, separate test assemblies for each curi
9、ng cycle) a) Minimum heat curing cycle Phase 1: 10 minutes at 165 +/- 2 C and Phase 2: 10 minutes at 130 +/- 2 C metal temperature b) Maximum heat curing cycle: Phase 1: 20 minutes at 190 +/- 2 C and Phase 2: 10 minutes at 130 +/- 2 C metal temperature Test after 24 hours at room temperature. 3.8 CO
10、LD ADHESION AFTER HEAT AGEING No chipping, no loss of (FLTM BV 151-02, Method B, load “A“, adhesion or blistering -35 +/- 1 C, 14 d heat ageing at 80 +/- 2 C, expose in vertical position heat curing cycle, test panel thickness 1.5 +/- 0.1 mm, separate test assemblies for each curing cycle, curing cy
11、cle according to 3.7, Test Method, Section a) and b) 3.9 SALT FOG RESISTANCE No corrosion Test Method: 1) Specimen preparation according to 3.7, test method, no heat ageing. 2) Condition at room temperature for 24 hours and test according to ASTM B 117: a) 240 hours for test assemblies with anodic E
12、C-coated panels (FLTM BI 120-01, A). b) 480 hours for test assemblies with cathodic EC-coated panels (FLTM BI 120-01, C). 3) Remove a 30 x 280 mm strip of test material from test specimen and examine for evidence of corrosion. ENGINEERING MATERIAL SPECIFICATION SK-M99G9527-A Printed copies are uncon
13、trolled Copyright 2007, Ford Global Technologies, LLC Page 3 of 4 3.10 TEMPERATURE CYCLING TEST No chipping, no loss of adhesion or blistering Test Method: 1) Specimen preparation according to 3.7, test method, no heat ageing. 2) Condition test specimens for 24 hours at room temperature and subject
14、three times to the following 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 Cycle 1 h at 23 +/- 2 C ) 16 h at 38 +/- 2 C and ) 98 +/- 2% relative humidity ) 3) After 24 hours at room temperature, test the specimen according to FLTM BV 155-02, Me
15、thod A, clause 6 - 10, Load “A“, at room temperature. 3.11 PAINTABILITY No chipping, no loss of adhesion or blistering. Discoloration or staining permitted Test Method: 1) Apply centrally to 100 x 300 mm test panel prepared according to clause 3, note, 80 x 280 mm test material under test magnetic s
16、ide facing the panel. 2) Cover test assembly with production spray primer in a dry film thickness of about 10 micrometers. 3) After 10 minutes conditioning at room temperature, cure 10 minutes at 165 +/- 2 C metal temperature. 4) After cooling to room temperature, cover test specimen with light colo
17、red production enamel in a dry film thickness of approximately 10 micrometers. 5) Condition 10 minutes at room temperature and cure 10 minutes at 130 +/- 2 C metal temperature. 3.12 PALLETIZING The material shall separate easily from each other without tearing. Test Method: 1) Cut from material unde
18、r 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 equaling a plied-up height of 600 mm minus the weight of 5 specimens and cover plate. 4) Expose test assembly in a mechanical convected
19、 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. ENGINEERING MATERIAL SPECIFICATION SK-M99G9527-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 4 of 4 3.13
20、 DAMPING FACTOR, min eta = 0.1 (FLTM EU-BV 060-1, heat fuse according to FLTM BV 150-05, Table 2, min curing cycle) 3.14 MAGNETIC ADHESIONNo loss of adhesion over entire bonding Test Method: 1) Apply 250 x 250 mm pieces of material under test centrally to 300 x 300 x 1.5 +/- 0.1 mm test panels, prep
21、ared according to clause 3, Note. 2) Hang test assemblies for 20 minutes in an inverted position in a mechanical convection oven maintained at 165 +/- 2 C. 3.15 ADHESION The material must not be removed from panel without destruction. Test Method: Specimen preparation according to 3.6, test method,
22、section 1 and 2. 3.16 QUALITY The material shall be of uniform quality free from foreign material and properties detrimental to normal production use. It shall not cause excessive soiling of handlers in normal production use. 3.17 HEALTH HAZARDS AND ODOR The material must not contain any ingredients
23、 (matter), which, under normal production conditions, could lead to health hazards such as skin rash or irritation (dermatitis), irritation of the mucous membranes, difficulties in breathing, etc. The material shall be free from objectionable odors both as received and after storage. 5. GENERAL INFO
24、RMATION The information 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 3 months when stored between 5 C and 28 C. 5.2 HEIGHT IN STORAGE As recommended by supplier.
