1、This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. FEBRUARY 2017 Page 1 of 6 NAVISTAR, INC. Material, Parts, and Process Specificatio
2、ns (MPAPS) NUMBER: MPAPS DT-19 Former Designation: N/A TITLE: Material-Related Interior Part Performance Requirements CURRENT REV No.: 1702 DATE: Feb. 2017 WRITTEN/EDITED BY: D.Baker APPROVED BY: Materials Engineering SUPERSEDES: 1402 Feb. 2014 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CU
3、RRENT REVISION This specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicability
4、 of regulatory limits prior to use. 1.0 SCOPE This specification defines the materials related part performance requirements for all hard trim, mold in color (MIC) interior plastic components including, but not limited to: interior trim panels, moldings, overhead and floor consoles, hard instrument
5、panel (IP) trim, etc. 1.1 Restricted Chemical Substances All product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 2.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The
6、 following Specifications, Standards, and Regulations are referenced in this specification. NAVISTAR MPAPS B-50 FMVSS 302 ISO 22088-3 ISO 527-2 ASTM D 3012 SAE J1756 MPAPS DT-12 AATCC Evaluation Procedure 1 ISO 105-A02 MPAPS DT-16 MPAPS GT-31 MPAPS DT-18 3.0 REQUIREMENTS AND PROCEDURES Note: All req
7、uirements and procedures listed in this document are superseded by specifications on part drawings. If a discrepancy exists, the requirements on specific drawings take precedent. Additionally, all results and data from testing must be provided to Navistar Design or Materials Engineering for approval
8、. 3.1 Flammability (FMVSS 302) 3.1.1 Application. All interior components as defined by federal regulation. 3.1.2 Requirement. Components must comply with the Federal Motor Vehicle Safety Standard (FMVSS) 302: Flammability of Interior Materials. Certification documentation must be submitted to Navis
9、tar Design Engineering for approval. NUMBER: MPAPS D-19 TITLE: MATERIAL-RELATED INTERIOR PART PERFORMANCE REQUIREMENTS REVISION: 1702 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to
10、assume all patent liability. 2017 by Navistar, Inc. FEBRUARY 2017 Page 2 of 6 3.1.3 Procedure. Test to procedure called out in FMVSS 302. Maximum allowed burn rate of 100 mm/ minute. Results must be submitted to Navistar Design or Materials Engineering for approval. 3.2 Colorfastness to Artificial L
11、ight (MPAPS GT-31) 3.2.1 Application. All parts with visible surfaces in all color variants must be tested. All materials must be tested within a given component. 3.2.2 Requirement. The material shall not show any surface deterioration, minimal color or gloss change, warpage, sag, staining, delamina
12、tion, or other undesirable effects after exposure. Objectionable color change is defined as a measured color change of E 3 measured at the same location before and after exposure or on an as-received sample and exposed sample. Spectrophotometric measurements of samples shall be taken with the specul
13、ar component included (SPI) or with a 0/45 (45/0) geometry. The colorimetric data shall be calculated using CIE 1964 10 observer data for Illumination D65. Three points must be measured and averaged in a general region per measurement reported. Exposed samples may be washed with water and blotted dr
14、y with a clean cloth prior to measurement. 3.2.3 Procedure. All materials shall be tested per MPAPS GT-31 Method A for Interior Exposure using a Window-Q filter with an irradiance control point of 0.55 W/m2 at 340 nm. Energy requirements are defined in Table A.1 of MPAPS GT-31. 3.3 Resistance to Scr
15、atch and Mar (MPAPS DT-16) 3.3.1 Application. All parts with visible surfaces in all color/grain variants must be tested. Test evaluation should be completed no later than RA on plaque test samples. All materials must be tested within a given component. Test method B is the preferred method for scra
16、tch whitening as it provides an objective value. 3.3.2.1 Requirement. Test Method A: Taber. All scratch lines are to be evaluated with the visual inspection method defined in MPAPS DT-16. Both line rating and digital images of the lines must be submitted to Navistar Engineering for each of the loads
17、 measured. Requirement for Scratch Resistance of Interior Trim Force (N) Acceptance Criteria IP Scratch 2 2 Whitening/ Color Change 15 1 Mar 2 2 Hard Trim Scratch 2 2 Whitening/ Color Change 7 1 Mar 2 2 3.3.2.2 Requirement. Test Method B, Erichsen. Both L values and digital images of the lines must
18、be submitted to Navistar Engineering for each of the loads measured. Scratch whitening L 3 measured either before and after chemical exposure, or on an exposed and non-exposed sample. Spectrophotometric measurements of samples shall be taken with the specular component included (SPI) or with a 0/45
19、(45/0) geometry. The colorimetric data shall be calculated using CIE 1964 10 observer data for Illumination D65. Three points must be measured and averaged in a general region per measurement reported. 3.4.3 Procedure. All hard trim plastic parts shall be tested per MPAPS DT-12, Method A: Interior P
20、arts. 3.5 Fogging Emissions (SAE J1756) 3.5.1 Application. Applies to all interior hard trim plastic components. 3.5.2 Requirement. A minimum fog number of 70 is required. Any formation of clear film, droplets, or crystals is cause for rejection. 3.5.3 Procedure. SAE J1756 for 3 hours at 100C, 21C c
21、ooling plate, and 16 hours of post test conditioning. 3.6 Odor Emissions 3.6.1 Application. Applies to all interior hard trim plastic components. 3.6.2 Requirement. Maximum odor rating of 3: detectable, but not disturbing. The materials shall not exhibit any disturbing odors. 3.6.3 Procedure. Cut th
22、ree samples of each material from molded, production intent parts, approximately 90 mm x 120 mm. Suspend the three samples in a single, appropriate sized glass jar with a metal wire. Add 30 ml of de-ionized (DI) water to the bottom of the jar. The samples should not be touching or submerged in the w
23、ater. Seal the jar and place jar in a convection oven at 40C for 16 hours. Remove the jar from oven, open, and immediately rate the odor from the jar. The odor must be rated by a minimum of six observers who do not work in the production facility. Each observer should place their nose within 203 cm
24、from the jar opening. Heavy smokers, users of strong aromatic perfumes or colognes, and people with sinus problems should be excluded from the exercise. Rate the odor on a scale of 1-4: 1. no odor- acceptable 2. detectable, but not disturbing odor- acceptable 3. disturbing- not acceptable 4. extreme
25、ly disturbing- not acceptable NUMBER: MPAPS D-19 TITLE: MATERIAL-RELATED INTERIOR PART PERFORMANCE REQUIREMENTS REVISION: 1702 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume
26、all patent liability. 2017 by Navistar, Inc. FEBRUARY 2017 Page 4 of 6 3.7 Cold Impact Resistance 3.7.1 Application. All visible hard trim plastic components. 3.7.2 Requirement. When the component is mounted either rin the vehicle body or a surrogate test fixture, any part in the foot area must with
27、stand an impact of 4.0 J, all other visible parts must withstand an impact 2.5 J. Test pieces shall be visually examined for breakage or cracks. 3.7.3 Procedure. Secure the test plaque horizontally into a test fixture such that the ball will impact the sample at 90. Hold all sample plaques at -30C f
28、or a minimum of 12 hours prior to testing to equilibrate. All testing shall be performed in a cold chamber at -30C. Suspend a 510 g steel ball above the sample at a predetermined height. The drop height shall be calculated from the impact energy: = where E= Impact Energy (J), m= ball mass (0.510 kg)
29、, g = gravity (9.81 m2/s2), and h = height (m) Drop the ball onto the sample. Evaluate the sample for breakage or cracking. Perform impact test in all areas indicated on the part drawing or by Navistar Engineering. Report all results to Navistar Engineering. 3.8 Dimensional Stability/ Environmental
30、Cycling/ Resistance to Temperature Cycling (MPAPS DT-18) 3.8.1 Application. Applies to all interior hard trim plastic components. Components must undergo one of four cycles, depending on their location with respect to direct sunlight and belt line, as defined in MPAPS DT-16. All IP and door trim loc
31、ated along windows must undergo two cycles: one for thermal cycling and one for irradiation. 3.8.2 Requirement. The test component shall exhibit no significant surface changes, particularly changes in color or gloss, no cracking, crazing, or any other changes detrimental to serviceability. Objection
32、able odors, bubbling or void formation, delamination or peeling, shrink, and warp are also unacceptable. The test piece shall comply with the dimensions and tolerances specified on the drawings after completion of the test. The dimensions of the entire test panel shall be checked for test compliance
33、 by the naked eye. Additionally, significant characteristic locations or locations requiring measurement shall be measured in both the x/y plane as well as in the z-direction through the x/y plane. Measurements shall be made with respect to a reference spot also indicated on the engineering drawing.
34、 All measurements shall be included in the test report for approval. 3.8.3 Procedure. Test pieces shall be fixtured to simulate actual installed service conditions with appropriate constraints to simulate the interfacing components. The complete assembly shall undergo the cycle shown in MPAPS DT-18.
35、 The test cycle may be commenced at any of the individual stages provided the full cycle is sequentially completed. The cycle shall be carried out without interruption. If interruption is necessary, the part is allowed to set at ambient conditions during the interruption. This adjustment shall be no
36、ted in the test report. 3.9 Environmental Stress Cracking Resistance (ISO 22088-3, ISO 527-2) 3.9.1 Application. All amorphous injection molded plastic parts (ABS, PC-ABS, PC, PMMA, SMA, ASA, PPO, etc) that have a migratory material within 5 mm of design tolerance or contact at any stage NUMBER: MPA
37、PS D-19 TITLE: MATERIAL-RELATED INTERIOR PART PERFORMANCE REQUIREMENTS REVISION: 1702 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, I
38、nc. FEBRUARY 2017 Page 5 of 6 of processing, assembly, or use. Examples of migratory materials include, but are not limited to: foams, lubricants, greases, alcohols, oily metallic finishes, PVCs, etc. 3.9.2 Requirement. Per ISO 22088-3, 50% of the value on strained unexposed test specimen when teste
39、d per ISO 527-2. Tensile bar specimen shall be production intent, pre-colored. 3.9.3 Procedure. The amorphous and migratory material shall be strained 1% for 168 hours (seven days) per ISO 22088-3 Designation B3 at room temperature. 3.10 Oxidative Stability (ASTM D3012) 3.10.1 Application. Applicabl
40、e to polypropylene (PP), thermoplastic olefins (TPO), thermoplastic elastomer (TPE), or any plastic blend, composite, or laminate containing polyolefins. 3.10.2 Requirement. No visible indication of local discoloration and/ or brittleness from material degradation. 3.10.3 Procedure. Test per ASTM D3
41、012. Test specimens of approximately 10 mm x 50 mm shall be cut from specimens at part thickness. Samples shall be tested in an oven at 150C for seven days (168 hours). 3.11 Touch Deflection 3.11.1 Application. Applies to all hard trim plastic components. 3.11.2 Requirement. Test at all locations in
42、dicated by Navistar Engineering. Maximum Deflection High Touch Zone 1.0 mm Medium Touch Zone 1.5 mm Low Touch Zone 3.0 mm 3.11.3 Procedure. Apply a 22 N (5 pound) load using a 10 mm disc normal to the component surface. The depth of deflection should be measured using a force gauge. 4.0 TECHNICAL IN
43、FORMATION For further information related to the technical content of this specification, contact: Suppliers may purchase controlled copies of this specification by contacting: Materials Engineering and Technology Dept. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN IHS M
44、arkit 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/ NUMBER: MPAPS D-19 TITLE: MATERIAL-RELATED INTERIOR PART PERFORMANCE REQUIREMENTS REVISION: 1702 This document is restricted and may not be sent outside Navistar, Inc. or reproduced wi
45、thout permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. FEBRUARY 2017 Page 6 of 6 A.0 GENERAL INFORMATION REVISION HISTORY Revision Level Change Approved by Date Approved 1702 Add 3.3.2.2 Ericksen scratch acceptance criteria, delete reference to ASTM D5420 in 3.7 R. Goluch 2/27/2017
