1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2015 02 20 Released C. Kay, D. Murtonen, NA Controlled document at www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1 of 6 PERFORMANCE, ACOUSTICAL AND INSULATORS, INTERIOR ASSEMBLIES WSS-M99P32-D1 1. SCOPE This specification
2、 defines the minimum durability requirements of all interior and luggage compartment sound absorption/insulation applications, where various materials are combined to provide an assembly having acoustical sound absorption/barrier/insulation and/or functional features. This does not include engine (h
3、ood) compartment insulators, thermal insulators, and/or exhaust shields. In addition, ultra high temperature parts exposed to heat from turbochargers, EGR systems and exhaust pipes are not included. 2. APPLICATION This specification was released originally for materials used as interior, luggage com
4、partment, for sound absorption/insulation applications. This specification excludes the following: Acoustic wheel arch/well liners. Use WSS-M99P32-D2 and D3 (latest) Underbody Shields. Use WSS-M99P32-D4 and D5 (latest) Engine/Hood/Tunnel Insulators/. Use WSS-M99P32-D6 (latest) 3. REQUIREMENTS Materi
5、als used in interior applications must meet the Performance, Vehicle Interior Environment Quality Material/Component Requirements outlined in WSS-M99P2222-D1 (latest). Data must be included in material submission package. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part
6、 producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A (latest). 3.2 FINISHED PART REQUIREMENTS Detailed part construction must be submitted along with test data for initial approval. Data must be submitted via the Ford Materials Database (FMD) templat
7、e. Design Verification (DV) is done on the part to verify supplier feasibility and Product Verification Testing (PV) is done on production parts. DV/PV and sample sizes are defined in Table 1. In addition to the following minimum requirements, production assemblies must withstand normal handling dur
8、ing shipping, installation, use, and service, without tearing, breaking, or permanently deforming. 3.3 APPEARANCE (FLTM BI 109-01) All appearance properties of exposed materials shall meet the requirements of the relevant Engineering Department. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-D1 Copyr
9、ight 2015, Ford Global Technologies, LLC Page 2 of 6 3.4 WEIGHT (FLTM BN 106-01) Weight of each layer of a composite and/or total composite shall be included on Engineering Drawing. 3.5 ODOR (FLTM BO 131-03, Variant C) Rating 3 max 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, po
10、st test conditioning 16 h) Fog Number 70 min The formation of a clear (oily) film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (SAE J369/ISO 3795) Flammability is affected by the material thickness and density. Conduct testing on the full range of material thicknesses and densities
11、 on part. Burn Rate 100 mm/minute max Flame should be applied to the exposed side of the component, which under certain conditions may include inner/outer surfaces. Supplier shall document test conditions in their Control Plan (for PV). 3.8 CONSTRUCTION PROPERTIES 3.8.1. Resistance to Mildew Test Me
12、thod Cut specimens from the various thicknesses in the part and/or test all material thicknesses. Specimen size is 200 x 200 mm unless part size is smaller. Expose for 7 days in a humidity cabinet maintained at 98 +/- 2% relative humidity and 38 +/- 2 C. Evaluation Remove the part from the cabinet a
13、nd evaluate immediately. The part shall exhibit no visible evidence of mildew growth and/or objectionable odor after 7 days exposure in a humidity cabinet maintained at 98 +/- 2% relative humidity and 38 +/- 2 C. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-D1 Copyright 2015, Ford Global Technologi
14、es, LLC Page 3 of 6 3.8.2. Environmental Cycling (Heat, Humidity and Cold) Test Method Conduct with the NVH or approved surrogate assembly mounted on an actual or simulated production support foundation with the approved retention methods. 5 h at -30 +/- 2 C 30 minutes at 23 +/- 2 C and 50% R.H. 5 h
15、 at 80 +/- 2 C 30 minutes at 23 +/- 2 C and 50% R.H. 2 h at 50 +/- 2 C and 95 +/- 5% R.H. 30 minutes at 23 +/- 2 C and 50 % R.H. 5 h at -30 +/- 2 C 30 minutes at 23 +/- 2 C and 50% R.H. 5 h at 80 +/- 2 C Evaluation Remove the assembly from the cabinet and evaluate immediately. The part shall exhibit
16、 no visible and objectionable appearance such as distortion, blistering, delamination, expansion, shrinkage or warpage which will interfere with normal function or cause objectionable and unsightly gaps. No mold formation shall be present. In addition, any objectionable appearance observed during th
17、e test should be reported. 3.8.3 Heat Aging (7 days at 80 +/- 2 C) Test one assembly. Evaluation Remove the assembly from the cabinet and evaluate immediately. The part shall exhibit no visible and objectionable appearance such as distortion, blistering, delamination, expansion, shrinkage or warpage
18、 which will interfere with normal function or cause objectionable and unsightly gaps. In addition, any objectionable appearance observed during the test should be reported. 3.8.4 Resistance of Insulators to various Test Reagents (ASTM D896) The finished or surrogate part shall not dissolve, exhibit
19、tackiness or delaminate when immersed in each of the following test reagents for a 4 hour period. Use a separate specimen for each test reagent. Test Reagents: 1. Deionized water 2. 3% (by weight) Salt (NaCl) solution in deionized water 3. Windex or similar commercial window cleaner 3.8.5 Corrosiven
20、ess to Steel Rating 4 min (SAE J1389) ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-D1 Copyright 2015, Ford Global Technologies, LLC Page 4 of 6 3.9 PHYSICAL PROPERTIES 3.9.1 Breaking Strength (non-foam materials only) (ASTM D5034, for test set-up and procedure, exception of speed 25 mm/minute) Repo
21、rt value of load at break Specimens to be cut from flat areas of the finished part and distance between clamps at beginning of test should be 100 mm. 3.9.1.1 Original Report Only, N Individual values to be reported with the data submission package. For the below, test requirement is -30% max change
22、from average original breaking strength. Test requirement can be met if the change is greater than 30%, but the resulting value is above original value. 3.9.1.2 Change After Humidity Aging Report % of (48 h at 38 +/- 2 C and 95 +/- 2% R.H.; 1 h at change room temperature) 3.9.1.3 Change After Heat A
23、ging Report % of (Conditions per para.3.8.3.1) change 3.9.1.4 Change After Immersion in Water Report % of (48 h in distilled water at room temperature) change 3.9.2 Tear Resistance Test (foam materials only) (ASTM D3574 Test F) Report Value, kPa 3.9.3 Compression Force Deflection Test (foam material
24、s only) (ASTM D3574 Test C) Report Value, kPa Shall not compress more than 70% of the original thickness after loading with 35 kg. Upon removing the load, the material shall recover at least 65% of the compressed distance. 3.9.4 Constant Deflection Compression Set Test (foam materials only) (ASTM D3
25、574 Test D) Original Report Value, % 3.9.4.1 Steam Autoclave Aging Exposure +/- 40% max from (ASTM D3574 Test J2, 5 hours at 120C +/- 5 C Original Value Followed by Constant Deflection Compression Set Test (ASTM D3574 Test D) ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-D1 Copyright 2015, Ford Glob
26、al Technologies, LLC Page 5 of 6 3.9.4.2 Dry Heat Aging Exposure +/-10% max from (ASTM D3574 Test K) Original Value 22 hours at 140 C or maximum temperature as mutually agreed upon, followed by Constant Deflection Compression Set Test (ASTM D3574 Test D) 3.9.5 Peel Strength (Interior Laminates only)
27、 (FLTM BN 151-05, Method B) Samples must meet at least one of the following requirements: - Achieve peel strength value of 6 N/50 mm, min - Adhesion of the covering material must exceed cohesive strength of the substrate 3.9.6 Moisture Absorption 30% max Cut a 200 x 200 +/-10 mm specimen from the pa
28、rt to be tested and seal any cut edges, e.g. with wax. Weigh the specimen nearest to 0.1 g. Condition part/section in suspended position at 38 +/- 2 C and 95 +/- 2% R.H. for 24 h. After 1 h at 23 +/- 2 C and 50 +/- 2% R.H. weigh the part/section to the nearest 0.1 g and determine increase of weight
29、in percent based on the original weight. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 FUNCTIONAL REQUIREMENTS Component sup
30、plier shall meet the NVH program specific targets as directed by Ford D&R activity through the Request for Quote document. These targets are program dependent and run at Ford NVH facilities. 4.1.1 Sound Absorption: The component shall meet the Sound Absorption Target Curve in the 400 Hz to 10 kHz fr
31、equency range as specified in the Request for Quote. The measurements should be conducted in the Ford Alpha Cabin. The target curve should be specified on the Engineering Drawing. 4.1.2 Sound Transmission Loss: The component shall meet the Sound Transmission Loss Target Curve in the 200 Hz to 10 kHz
32、 frequency range as specified in the Request for Quote. The measurements should be conducted in the Ford Sound Transmission Loss Chamber. The target curve should be specified on the Engineering Drawing. 4.1.3 Sound Insulation: The component shall meet the Sound Insulation Loss Target Curve in the 10
33、0 Hz to 10 kHz frequency range as specified in the Request for Quote. The measurements should be conducted in the Ford APAMAT Chamber. The target curve should be specified on the Engineering Drawing. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-D1 Copyright 2015, Ford Global Technologies, LLC Page
34、6 of 6 Test method: Sample size required for DV and PV. A1: FeltorShoddyA2: PU FoamA3: EPPFoamA4: Non-wovenFleece A5: Glass Fiber 3.4 Weight FLTM BN106-01: Substrate and Total Weight 3(DV+PV) 3(DV+PV) 3(DV+PV) 3(DV+PV) 3(DV+PV) 3.5 Odor FLTM BO131-03 3(DV+PV) per condition 3(DV+PV) per condition 3(D
35、V+PV) per condition 3(DV+PV) per condition 3(DV+PV) per condition 3.6 Fogging SAE J1756 (Photometric) 3(DV+PV) 3(DV+PV) 3(DV+PV) 3(DV+PV) 3(DV+PV) 3.7 Flammability Interior Burn Rate 100mm/min maximum 5(DV+PV) 5(DV+PV) 5(DV+PV) 5(DV+PV) 5(DV+PV) 3.8 Construction Properties 3.8.1. Resistance to Milde
36、w 1(DV) 1(DV) 1(DV) 1(DV) 1(DV 3.8.2 Environmental Cycling 1(DV+PV) 1DV+PV) 1(DV+PV) 1(DV+PV) 1(DV+PV) 3.8.3 Heat Aging 1(DV+PV) 1DV+PV) 1(DV+PV) 1(DV+PV) 1(DV+PV) 3.8.4 Resistance to Test Reagents 1(DV) per reagent 1(DV)per reagent 1(DV) per reagent 1(DV)per reagent 1(DV)per reagent 3.8.5 Corrosive
37、ness to Steel 1(PV) 1(PV) 1(PV) 1(PV) 1(PV) 3.9 Physical Properties 3.9.1.1 Breaking Strength- Original 5(PV) 5(PV) 5(PV) 3.9.1.2 Change After Humidity Aging 5(PV) 5(PV) 5(PV) 3.9.1.3 Change After Heat Aging 5(PV) 5(PV) 5(PV) 3.9.2 Tear Resistance 3(PV) 3(PV) 3.9.3 Compression Force Deflection 3(PV) 3(PV) 3.9.4 Constant Deflection Compression-Original 3(PV) 3(PV) 3.9.4.1 After Steam Autoclave Aging Exposure 3(PV) 3(PV) 3.9.4.2 After Dry Heat Aging Exposure 3(PV) 3(PV) 3.9.5 Peel Strength (Laminates only) 3(PV) 3(PV) 3(PV) 3(PV) 3(PV) 3.9.6 Moisture Absorption 1(PV) 1(PV) 1(PV) 1(PV) 1(PV)
