1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 00 2017 02 16 Released Z. Jatkowski, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page 1 of 7 PERFORMANCE, ACOUSTICAL AND THERMAL WSS-M99P32-E6 COMPONENTS AND ASSEMBLIES FOR ENGINE, UNDERHOOD, AND TUNN
2、EL APPLICATIONS 1. SCOPE This specification defines the minimum durability requirements of insulators present in engine side dash, engine compartment foam gasket, tunnel, under hood, and sound absorption/insulation applications, where various materials are combined to provide assemblies having therm
3、al, acoustical (sound absorption/barrier/insulation), and/or functional features. In addition, ultra-high temperature parts exposed to heat from turbochargers, EGR systems, and exhaust pipes are also included. 2. APPLICATION This specification was released originally for materials used as engine com
4、partment, hood, and tunnel insulators. The following components are not in the scope for this performance specification: Interior/luggage compartment insulators: WSS-M99P32-E1 (or latest) Acoustical wheel arch/well liners: WSS-M99P32-D2/D3 (or latest) Acoustical underbody/engine shields: WSS-M99P32-
5、D4/D5 (or latest) Foams without the primary purpose of NVH: Without pressure-sensitive adhesive: WSS-M99P48-A1 (or latest) With pressure-sensitive adhesive: WSS-M99P48-A3 (or latest) For higher temperature applications: WSS-M99P48-A4 (or latest) 3. REQUIREMENTS 3.1 APPROVED SOURCES This specificatio
6、n is performance based and does not have approved sources. 3.2 FINISHED PART REQUIREMENTS Detailed part construction must be submitted along with results for the testing listed in Table 1 for initial approval. Data must be submitted via the Ford Materials Database (FMD) template. Design Verification
7、 (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 2. In addition to the following minimum requirements, production assemblies must withstand normal handling during shipping, installa
8、tion, use, and service, without tearing, breaking, or permanently deforming. 3.3 APPEARANCE All appearance properties of exposed materials shall meet the requirements of the relevant Engineering Department. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-E6 Copyright 2017, Ford Global Technologies, LL
9、C Page 2 of 7 3.4 WEIGHT Weight of each layer of a composite and the total composite shall be included on Engineering Drawing. 3.4.1 Weight per Unit Area (Non-Foams) Report units (g/m2) (FLTM BN 106-01 Procedure A) 3.4.2 Net Density (Foams) Report units (kg/m3) (FLTM BN 106-01 Procedure B) 3.5 FLAMM
10、ABILITY Flammability is affected by the material thickness and density. Conduct testing on the full range of material thicknesses and densities on part) 3.5.1 Standard Test required for all components (ISO 3795) Burn Rate SE/NBR max The material shall not glow or smolder after the flame extinguishes
11、. If test specimens cannot be prepared with the proper dimensions (please refer to the test method listed above for the appropriate dimensions) using material cut from the part, properly sized/prepared specimens must be taken from material that has been molded into a blank. Flame should be applied t
12、o the exposed side of the component, or both sides, if the A and B surfaces are exposed to high temperatures. Supplier shall document test conditions in their Control Plan (for PV). 3.5.2 Glow Wire (Only applicable when electrical wiring is going thru or attached to the component) (IEC 60695-2-10, G
13、low wire temperature: 750 C) Flame shall extinguish within 10 sec. after removal of the wire. IEC 60695-2-10 Glow wire apparatus and common test procedure IEC 60695-2-11 Glow wire flammability test method for end products IEC 60695-2-12 Glow wire flammability index (GWFI) test method for materials I
14、EC 60695-2-13 Glow wire ignition temperature (GWIT) test method for materials Flame should be applied to the heat 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). 3.6 CONSTRUCTION P
15、ROPERTIES 3.6.1 Resistance to Mildew (7 days at 98 +/- 2% relative humidity and 38 +/- 2 C, Specimen size 100 mm x 100 mm) Remove the part from the cabinet and evaluate (smell the sample) immediately. The part shall exhibit no visible evidence of mildew growth and / or objectionable odor after the 7
16、-day exposure. In addition, part must not separate layers or show any other visual deterioration. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-E6 Copyright 2017, Ford Global Technologies, LLC Page 3 of 7 3.6.2 Short Term Environmental Cycling (FLTM BO 040-01, Procedure A, except cycling noted below
17、, maximum temperature noted below) 5 h at -40 +/- 2 C 48 h at 38 +/- 2 C and 95% R.H. 48 h at maximum temperature +/- 2 C 5 h at -40 +/- 2 C 48 h at 38 +/- 2 C and 95% R.H. 48 h at maximum temperature +/- 2 C The maximum temperature of exposure will be dependent on location of the component. The val
18、ues below are estimates; if a component is exposed to a higher temperature based on historical data, use the maximum temperature. Maximum temperature: Components attached to engine (away from exhaust manifold): 150 C Hood/engine side dash/tunnel insulators: 120 C Components attached to power steerin
19、g or transmission components: 135 C Components attached to coolant components: 120 C Underhood components not directly attached to engine: 120 C Underbody components away from the engine: 90 C 3.6.3 Long Term Environmental (FLTM BO 040-01, Procedure B, temperature noted below) Maximum temperature: r
20、efer to para 3.6.2 Except: Hood / engine side dash/tunnel insulators: 150 C Evaluation: In addition to the post-test requirements listed in FLTM BO 040-01, insulation and covering materials shall not crack, flame, glow, smolder, degrade, develop an objectionable odor, or exhibit any exothermic react
21、ion when tested at the maximum use temperature. 3.6.4 Resistance of Insulators to Various Test Reagents (ASTM D896) The finished or surrogate part shall not dissolve, exhibit tackiness or delaminate when immersed in each of the following test reagents for a 4-hour period. Use a separate specimen for
22、 each test reagent. Test Reagents: 1. Deionized Water 2. 3% (by weight) salt (NaCl) solution in Deionized Water 3. Engine Oil in compliance with ASTM SF 105* 4. Brake Fluid FMVSS DOT 3 or 4* 5. Sulfuric Acid (2.5% by weight in Deionized Water) 6. Long Life Coolant WSS-M97B44-D* (50/50% vol. Coolant/
23、Deionized Water) 7. Transmission/Power Steering Fluid in compliance with WSS-M2C938-A* 8. Windshield Washer in compliance with WSS-M8B16-A3* *Or currently released equivalent fluid. 3.7 PHYSICAL PROPERTIES 3.7.1 Breaking Strength (non-foam materials only) (ASTM D5034, exception of speed 25 mm/minute
24、) ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-E6 Copyright 2017, Ford Global Technologies, LLC Page 4 of 7 Specimens to be cut from flat areas of the finished part and the distance between clamps at beginning of test should be 100 mm. Report the value of the load at which the specimen breaks; incl
25、ude individual values, averages, and % changes in the data submission package. 3.7.1.1 Original Report Only, N 3.7.1.2 Change After Short Term Environmental 30% max (conditions per Para. 3.6.2) Original Value 3.7.1.3 Change After Long Term Environmental 30% max (conditions per Para. 3.6.3) Original
26、Value 3.7.1.4 Change After Immersion in Water 30% max (48 h in distilled water at room temperature) Original Value % = ( ) 100 3.7.2 Tear Resistance Test (foam materials only) Report Value, N/m (ASTM D3574, Test F) Specimens to be cut from flat areas of finished parts. 3.7.3 Compression Force Deflec
27、tion Test (foam materials only) Report Value, kPa (ASTM D3574 Test C) 3.7.4 Constant Deflection Compression Set Test (foam materials only) (ASTM D3574 Test D) 3.7.4.1 Original Report Value, % 3.7.4.2 Change After Short Term Environmental Cycling 40% max from (conditions per Para. 3.6.2) Original Val
28、ue 3.7.4.3 Change After Long Term Environmental 10% max from (conditions per Para. 3.6.3) Original Value % = ( ) 100 3.7.5 Peel Strength (All Laminates) 6 N/50 mm min or (FLTM BN 151-05, Test specimen must be 50 mm wide. cohesive failure Each material should be tested to the fluids quoted in 3.6.4.)
29、 3.7.6 Moisture Absorption 30% max Cut a 100 x 100 +/-10 mm specimen from the part to be tested and seal any cut edges with wax. Weigh the specimen to +/- 0.1 g. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-E6 Copyright 2017, Ford Global Technologies, LLC Page 5 of 7 Suspend specimen at 38 +/- 2 C
30、and 95 +/- 2% R.H. for 24 h. Move specimen to 23 +/- 2 C and 50 +/- 2% R.H. for 1 hour. Weigh the specimen to +/- 0.1 g and determine percent weight increase. ( ) 100 = % ! 3.8 THERMAL PROPERTIES The surface of the part/material being protected shall not reach its maximum use temperature when tested
31、 at the maximum vehicle use temperature as determined from applicable vehicle tests. 3.8.1 Thermal Conductivity (engine compartment, non-soft trim insulators only) (ASTM E1530) Report, W/(m K) The temperature range for this test is material specific. Testing should be performed at five evenly spaced
32、 temperatures between ambient and just below the melt point (or the degradation temperature) of the polymers in the construction. These temperatures must be agreed upon between Materials Engineering, Core Engineering, and the Design/Release Engineering Team. 4. GENERAL INFORMATION The information gi
33、ven 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 supplier shall meet the NVH program specific targets as directed by Ford D&R. Materia
34、ls shall be tested according to RQT-010604-012968 for sound absorption and/or sound transmission loss as specified by Ford D&R. Target curves should be specified on the Engineering Drawing. 4.2 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material u
35、pon which approval was originally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Mat
36、erials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Producti
37、on Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.3 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in
38、the Restricted Substance Management Standard WSS-M99P9999-A1 which is updated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-E6 Copyright 2017, Ford Global Technologies, L
39、LC Page 6 of 7 4.4 Drawing Call Out Engineering Drawings specifying assemblies containing materials that are required to conform to this specification must include the following information in either a Bill of Materials table (preferred) or in the General Notes: Material Performance Specification (W
40、SS-M99P32-E6) Description of each layer within the material construction Weight of each construction (g/m2) or (kg/m3) Supplier and Product Code For further information on this requirement, please contact Materials Engineering. ENGINEERING MATERIAL SPECIFICATION WSS-M99P32-E6 Copyright 2017, Ford Gl
41、obal Technologies, LLC Page 7 of 7 TABLE 1 Felt or Shoddy Non-wovenFleeceGlass Fiber Foam (PU,EPP, etc.)Sample size required for DV and PV noted in Table. Test method: 3.4 Weight 3.4.1 Weight Per Unit Area 3(DV+PV) 3.4.2 Net Density 3(DV+PV) 3.5 Flammability 3.5.1 Standard Test 5(DV+PV) 5(DV+PV) 3.5
42、.2 Glow Wire 5(DV+PV) 5(DV+PV) 3.6 Construction Properties 3.6.1 Resistance to Mildew 1(DV+PV) 1(DV+PV) 3.6.2 Short Term Environmental Cycling 1(DV+PV) 1(DV+PV) 3.6.3 Long Term Environmental 1(DV+PV) 1(DV+PV) 3.6.4 Resistance of Insulators to Various Test Reagents 1(DV) per reagent 1(DV) per reagent
43、 3.7 Physical Properties 3.7.1 Breaking Strength 3.7.1.1 Original 5(PV) 3.7.1.2 Change After Short Term Environmental Cycling 5(PV) 3.7.1.3 Change After Long Term Environmental 5(PV) 3.7.1.4 Change After Immersion in Water 5(PV) 3.7.2 Tear Resistance 5(PV) 3.7.3 Compression Force Deflection Test 1(P
44、V) 3.7.4 Constant Deflection Compression Set Test 3.7.4.1 Original 3(PV) 3.7.4.2 Change After Short Term Environmental Cycling 3(PV) 3.7.4.3 Change After Long Term Environmental 3(PV) 3.7.5 Peel Strength (Laminates only) 3(PV) 3(PV) 3.7.6 Moisture Absorption 1(PV) 1(PV) 3.8 Thermal properties 3.8.1 Thermal Conductivity 1(DV) 1(DV)
