1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 04 N-STATUS Replaced by WSS-M99P32-B; Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.16 & 4 A. Reaume 2000 09 12 Revised Updated A. Cockman 1982 05 03 Released ALL 81 96B/CEM1-MF 593451 1 Printed copies are uncontrolled Copyright 2006, Ford Gl
2、obal Technologies, LLC Page 1 of 4 PADDING, POLYESTER/VISCOSE FIBERS, NEEDLED, HEAT ESB-M17H152-A BONDING GRADE, 4.5 oz/yd2(0.153 kg/m2) NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a blown needled foundation of random fiber arrangement, containing thermoplast
3、ic components. 2. APPLICATION This specification was released originally for material used in side trim panels manufactured by heat bonding method. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATE
4、RIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 APPEARANCE The padding may be colored by addition of a non-staining or non-bleeding pigmented dye for purpose of supplier identification. This dye shall not i
5、nterfere with any of the other material requirements listed herein. 3.5 COMPOSITION Fiber Size Staple % of den (tex) in (mm) Weight Viscose Fiber 5 - 8 1.5 - 2 50 +/- 5 (0.6 - 0.9) (38 - 50) Polyester Fiber 5 - 8 1.5 - 2 50 +/- 5 (0.6 - 0.9) (38 - 50) 3.5.1 Pad Formation Fibers shall be arranged in
6、a random manner. A portion of the fibers shall extend from the top surface to the bottom surface so that delamination cannot occur at any plane within the thickness of the pad, especially during handling and manufacturing operations. ENGINEERING MATERIAL SPECIFICATION ESB-M17H152-A Printed copies ar
7、e uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.5.2 Pad Binder Fibers shall be held together with a thermoplastic binder. The thermoplastic binder shall also act as part of the bonding agent when the door panel is heat bonded. The binder must be 65 +/- 5% of the total weig
8、ht of the pad. This binder shall consist of a thermoplastic resin or a polyblend of resins compatible with the bonding grade cover materials and the approved bonding quality subfoundation or foundation boards employed. Test Method: . Take three 4 x 4 in (100 x 100 mm) samples, one from the center an
9、d one from each side, across the roll. . Finely chop samples using a blender or equivalent method. . Place samples in a large tarred weighing bottle. . Oven dry at 102 +/- 3 C until a constant weight is obtained. Record final sample weight as (W1). . Transfer sample to a beaker and add methyl isobut
10、yl ketone (temperature 23 +/- 2 C). Use a minimum of 15 weights of solvent to one of padding. . Allow sample to stand for 24 h. Stir occasionally. . Filter solution twice through a No. 80 screen mesh filter or equivalent method. . Oven dry at 102 +/- 3 C to a constant weight. Record final weight (W2
11、). . % Binder = W1 W2X 100 - W13.6 THICKNESS 0.30 +/- 0.05 in (FLTM BN 114-01, except stack 5 samples) (7.6 +/- 1.3 MM) 3.7 WEIGHT, min 4.5 oz/yd2(FLTM BN 106-01) (0.153 KG/M2) 3.8 TENSILE STRENGTH, min (ASTM D 1682, Grab Test Method, average of 5 tests in each direction) WMD 20 lb (89 N) AMD 18 lb
12、(80 N) 3.9 ELONGATION, max (ASTM D 1682, Grab Test Method - Determine concurrently with para 3.7) WMD 50% AMD 110% ENGINEERING MATERIAL SPECIFICATION ESB-M17H152-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 3.10 STRETCH AND SET (SAE J855, 11 lb total lo
13、ad including clamp) Machine Direction Across Machine Direction Stretch, max 15% 65% Set: Instantaneous* 2 - 10% 50% max 10 Minutes 2 - 6% 45% max *Note: Instantaneous measurements are to be taken within 20 seconds after removal of the weight. 3.11 COMPRESSION AND RECOVERY (FLTM BN 015-01, except sta
14、ck 5 samples) Compression (Dry) 60 - 85% Recovery (Dry), min 80% Recovery (Wet), min 80% 3.12 WICKING, max (FLTM BN 18-1, using water) 1/4 in (6 mm) 3.13 ESB-M17H152-A FLAMMABILITY REQUIREMENT 3.13.1 Flammability In order to comply with Federal Motor Vehicle Safety Standard No. 302, the materials, p
15、ortions of components, and composites shall not burn, or transmit flame across its surface, at a rate of more than 4 in (101 mm) per min. To demonstrate compliance, the sample size and method of testing shall be in accordance with FLTM BN 024-02. 3.13.2 Performance - Environmental Aging All material
16、s, portions of components, and composites defined by this specification that have not been treated, modified or reformulated and exceed max burn rate of 3.0 in (76 mm) per min as specified by the Flammability Lot Sampling Plan of FLTM BN 024-02, must be evaluated for permanency of the materials flam
17、e 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 the specification that have been treated, modified or refor
18、mulated to conform Flammability Lot Sampling Plan of FLTM BN 024-02, regardless of max 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 category of th
19、is particular specification. 3.13.3 Flammability Test Program Materials, portions of components, and composites governed by this specification must also comply with the requirements of -D3AB-11014-AA. ENGINEERING MATERIAL SPECIFICATION ESB-M17H152-A Printed copies are uncontrolled Copyright 2006, Fo
20、rd Global Technologies, LLC Page 4 of 4 3.14 PLANT PROCESSING FLAMMABILITY (FLTM BN 024-01) Shall not support combustion after being exposed to a standard flame for 30 s at a distance of 1 in (25 mm) from the tip of the needle. 3.15 BONDED ASSEMBLY The criterion for material acceptability shall be t
21、he assemblys job performance. This means that the materials composition and formulation must form a satisfactory bond when bonded to itself or to other approved components in the assembly under approved production conditions. 3.15.1 Appearance After Bonding The ultimate use of this material is to pr
22、ovide a heat bonded door panel of pleasing appearance and loft. For this reason, finished panels containing the padding must be visually interchangeable with finished panels containing the material upon which approval was originally granted, other conditions being equal. 3.15.2 Resistance to Elevate
23、d Temperatures (FLTM BN 113-02) A bonded assembly or test sample prepared as in FLTM BN 113-01, shall show no evidence of loosening or separation of the bonds or loss in loft after exposure. 3.15.3 Objectionable Contaminants (FLTM AN 101-03) Shall be free from residual asphalt and other contaminants
24、 which might cause padding to trim cover material contact stains, bondline, or sewline stains. There shall be no evidence of staining. 3.15.4 Bond Strength, min (FLTM BN 113-01) Original 16 oz (4.5 N) Aged 12 oz (3.3 N) Water Immersed 12 oz (3.3 N) 3.15.5 Electrical Properties This material is to be
25、 used in a dielectric field for bonding door panels. It must therefore, be an electrically clean pad, free of metal particles or other harmful impurities. In the dielectric or radio frequency field there is to be no charring, arcing, or burning of the padding, due to impurities present in it. Failur
26、e of an average of 1/2 of one percent of the material to meet this requirement shall be cause for rejection. 3.15.6 Lumpiness Shall contain no lumps, knots, neps, or nits of either fiber or resin large enough to result in a lumpy or bumpy or otherwise unsightly appearance in the finished door panel. Such imperfections shall be cause for rejection of the material.
