1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2009 11 19 N-STATUS No replacement named J. Crist, NA 1978 10 26 Metricated, Renumbered and Retyped CAH1-RD572066-1331973 11 23 Released AD1-316 Page 1 of 6 LAMINATE, POLYVINYL CHLORIDE FOAM ESB-M4D358-A POL
2、YVINYL CHLORIDE SKIN - RIGID SUBSTRATE FORMED TRIM ASSEMBLY NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The materials defined by this specification are a formed assembly consisting of a vinyl foam fused to a cast vinyl cover material, and this laminate is vacuum formed and adhesively bonded to a preform
3、ed rigid substrate. 2. APPLICATION: This specification was released originally for materials used for interior trim applications, such as angel wings. The materials are controlled by the requirements contained herein and in ESB-M15P4-B, or as defined on the engineering drawing. 3. REQUIREMENTS: 3.1
4、CONDITIONING All test values indicated herein are based on materials conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for 24 h prior to testing and tested under the same controlled conditions. 3.2 APPEARANCE The color, pattern, and finish shall match the approved
5、Design Center master sample, or shall be as specified on the engineering drawing. 3.3 FOAM - SKIN LAMINATE 3.3.1 Dimensions (Foam-skin laminate thickness) Vinyl skin 0.0135 - 0.0165 in (0.343 - 0.419 mm) Foam 0.0675 - 0.0825 in (1.714 - 2.096 mm) Total 0.081 - 0.099 in (2.06 - 2.51 mm) Test Method:
6、Cut several 1/2 x 3 in (12.7 x 75 mm) samples from separate areas of the test specimen and examine the cross sectional view of the skin to foam laminate using a measuring magnifier (ex. Bausch & Lombs Measuring Magnifier (7X), Catalog No. 81-34-35 with the in (mm) system scale No. 81-34-37, or equiv
7、alent). Measure the thickness of each component and the total thickness of the laminate at several points along the cut surface of the cross section. ENGINEERING MATERIAL SPECIFICATION ESB-M4D358-A Page 2 of 6 3.3.2 Tensile Strength, min 300 psi (2.1 MPa) (ASTM D 1564, any direction) 3.3.3 Elongatio
8、n, min 185% (ASTM D 1564, any direction) 3.3.4 Tear Strength, min 70 lb/in (12 kN/m) (ASTM D 1004, any direction) thickness 3.3.5 Hardness - Durometer “00“, max 84 (ASTM D 2240, 15 s dwell) 3.3.6 Peel Adhesion, skin to foam, min (ASTM D 413, Machine method, 1 in (25 mm) strip specimen, any direction
9、) Room Temperature 3.0 lb/in (0.5 kN/m) Expose Samples at 102 +/- 3 C for 30 min 3.0 lb/in (0.5 kN/m) (Condition for 30 min at room temperature and test.) 3.3.7 Soiling, max 15% (FLTM BN 12-1) 3.3.8 Scuffing, min 50 cycles (FLTM BN 8-4, “A“ head, 2 lb (907 g) load) The surface shall show no evidence
10、 of breakthrough, rupture, lifting or excessive scuffing. 3.3.9 Abrasion, min 500 cycles (FLTM BN 8-2, 1000 g load) The surface shall show no evidence of wearthrough, and the color of the abraded area shall be compatible in appearance with the adjacent unabraded area. 3.3.10 Crocking (FLTM BN 7-1, a
11、lso use M14J148 naphtha to soak crocking cloth, 10 strokes.) The crocking cloth shall correspond to a rating of 5 when compared to the AATCC Chart for measuring transference of color, after conducting tests on specimens as received, after 7 days at 102 C, and following 120 SFH exposure test. 3.3.11
12、Coating Adhesion (FLTM BI 6-1, Part “B“, except do not scribe lines.) The tape shall not lift or delaminate the surface coating. ENGINEERING MATERIAL SPECIFICATION ESB-M4D358-A Page 3 of 6 3.3.12 Cold Flexibility (FLTM BN 2-1) Shall not crack when bent 180 over a 1/2 in (12.7 mm) diameter mandrel at
13、 -29 C. 3.3.13 Migration Staining (FLTM BN 3-1) The surface shall show no evidence of injurious exudation, adhesion (tackiness), separation, color transfer, or flattening of embossing when placed face to face with itself or materials of the black and white ESB-M2F4, 62 series. 3.3.14 Fadeometer (FLT
14、M BN 1-1) The surface shall not stain, exhibit color tone change, or change in hue below rating 4-5 of the AATCC Gray Scale for evaluating change in color (10 step) after 200 SFH. 3.3.15 Fogging (FLTM BO 16-2) Light transmission, min 85 3.3.16 Heat Aging The surface shall show no evidence of tackine
15、ss or staining, loss of embossing or increase in gloss, and color tone change or change in hue below a rating of 5 of the AATCC Gray Scale for evaluating change in color (10 step). Test Method: Suspend the samples in an air circulating oven at 102 +/- 3 C for 7 days. Remove and examine for discolora
16、tion. 3.3.17 Crazing The vinyl skin surface of the laminate shall not exhibit crazing or whiteness when folded or creased. 3.3.18 Odor No offensive or objectionable odors 3.3.19 Dimensional Stability Shall show no evidence of delamination or blistering, and no more than +/- 10% dimensional change in
17、 either machine or across the machine direction on a 12 x 12 in (300 x 300 mm) test specimen hung vertically in an oven at 88 C for 7 days. Mark off lines 10 in (250 mm) long for the dimensional determination. ENGINEERING MATERIAL SPECIFICATION ESB-M4D358-A Page 4 of 6 3.4 RIGID SUBSTRATE Rigid subs
18、trates, such as ESB-M2E16-B or equivalent dimensionally stable substrates, shall meet the requirements of their respective engineering specifications as well as the assembly requirements specified herein. 3.5 ASSEMBLY 3.5.1 Dimensional Stability The formed trim assembly shall not exhibit any shrinka
19、ge or expansion to the extent of causing unsightly wrinkles, pull outs, distortion, cover delamination, loss of surface grain or design features in any portion of the assembly. Dimensional change shall not exceed +/- 1.0% in any direction. Test Method: Attach assembly to a trim buck, mark off lines
20、10 in (250 mm) long for the dimensional determination, and expose assembly in the “in car“ position to the following conditions: .3 h at 93 C and cool to approximately 38 C .3 h at 38 C and 100% relative humidity .16 h at room temperature .3 h at -29 C .1 h at room temperature Repeat above cycle, me
21、asure dimensional change, and examine for defects. 3.5.2 Peel Adhesion skin-foam to rigid substrate, min (ASTM D 413, Machine method, 1 in (25 mm) strip specimen) Room Temperature 5.0 lb/in (880 N/m) width Tested at 93 +/- 3 C After 1 h exposure 0.75 lb/in (132 N/m) width at this temperature 3.5.3 H
22、eat Aging The formed trim assembly shall not exhibit any evidence of wrinkling, warpage, blistering, or loss of embossing of the vinyl surface, flattening or collapse of the vinyl foam (vinyl surface waviness), pull outs or tearing of sewn or bonded seams, and delamination of the foam when bonded to
23、 the substrate. The visible exposed cover area that is formed over the rigid substrate shall not exhibit any visible read through on the vinyl surface, such as vacuum holes, adhesive build up, or mold parting lines. Dimensional change shall not exceed +/- 1.0% in any direction. ENGINEERING MATERIAL
24、SPECIFICATION ESB-M4D358-A Page 5 of 6 Test Method: Mark off lines 10 in (250 mm) long for the dimensional determination, and suspend the assembly in a 88 +/- 3 C air circulating oven for 7 days. Measure dimensional change after 1 h at room temperature and examine for defects. 3.5.4 Fadeometer (FLTM
25、 BN 1-1) The surface of assembly shall not stain, exhibit color tone change, or change in hue below rating 4-5 of the AATCC Gray Scale for evaluating change in color (10 step) after 200 SFH. 3.6 FLAMMABILITY In order to comply with Federal Motor Vehicle Safety Standard No. 302, the materials, portio
26、ns of components, and composites shall not burn, or transmit a flame across its surface, at a rate of more than 4 in (101 mm) per minute. To demonstrate compliance, the sample size and method of testing shall be in accordance with FLTM BN 24-2. 3.7 PERFORMANCE - ENVIRONMENTAL AGING All materials, po
27、rtions of components, and composites defined by this specification that have not been treated, modified or reformulated and exceed a maximum burn rate of 3.0 in (76 mm) per minute as specified by the Flammability Lot Sampling Plan of FLTM BN 24-2, must be evaluated for permanency of the materials fl
28、ame retardant properties per ESB-M25P3-A according to the accelerated environmental aging requirements 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 re
29、formulated to conform to Flammability Lot Sampling Plan of FLTM BN 24-2, regardless of maximum burn rate, must be evaluated for both permanency of materials flame retardant properties and changes in mechanical, chemical and physical properties per ESB-M25P3-A applicable to the basic materials catego
30、ry of this particular specification. 3.8 FLAMMABILITY TEST PROGRAM Materials, portions of components, and composites governed by this specification must also comply with the requirements of ES-D3AB-11014-AA. 3.9 SUPPLIERS RESPONSIBILITY Material supplied to this specification must be equivalent to t
31、hat originally approved. Changes in formulation or processing shall not be made without prior approval as described in Supplier Procedure I-A. ENGINEERING MATERIAL SPECIFICATION ESB-M4D358-A Page 6 of 6 4. APPROVAL OF SUPPLIERS: Suppliers to this specification must be approved by the affected product engineering office. Procedure for gaining approval of a specific material to a new/existing ES-M specification is contained in Supplier Procedure I-A. Approved new suppliers will be added to the Engineering Materials Approved Source List.
