1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 06 25 Activated M. Dumitrescu Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1 of 4 LAMINATE, POLYESTER FABRIC, POLYURETHANE FOAM WSS-M5H28-A PRISM PATTERN, KNIT 1. SCOPE The material defined by this sp
2、ecification is a PRISM pattern, 3 bars, 28 Gauge, knitted fabric, flame laminated to a flame bondable polyether urethane foam. 2. APPLICATION This specification was released originally for material used as a cover material for headliners and sunvisors. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR P
3、RODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 APPEARANCE (FLTM BI 109-01) The color, pattern, and finish shall match the approved Design Center master sample, or shall be specified on the en
4、gineering drawing. 3.3 ROLL GOODS QUALITY The laminate shall be uniformly bonded, and the fabric shall not delaminate from the foam during shipment, handling, or in-plant processing. 3.4 COMPOSITION (ASTM D 276) Fabric 100% Polyester Foam Polyether Polyurethane 3.5 FABRIC REQUIREMENTS The following
5、requirements shall be conducted on unbonded fabric: 3.5.1 Fiber Description and Construction (ASTM D 1244) Face (A) 12% 5 tex f24 (semi-dull polyester) (B) 12% 5 tex f24 (semi-dull polyester) Back 76% 7.8 texf36 (semi-dull polyester) ENGINEERING MATERIAL SPECIFICATIONWSS-M5H28-A Printed copies are u
6、ncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 4 3.5.2 Fabric Count, range (ASTM D 3887) Wales 129 - 165 wales/10 cm Courses 134 - 165 courses/10 cm 3.5.3 Weight, range, g/m2(FLTM BN 106-01) Fabric face only 110 - 130 g/m23.5.4 Method of Dyeing Piece dyed 3.6 FOAM REQUIREMENTS T
7、he foam shall be polyether polyurethane and shall conform to ASTM D 3574 USU E J2. The following test shall be conducted on foam removed from the finished fabric/foam laminated or from surrogate foam samples when the laminate is less than 4 mm thick. 3.6.1 Tension Test, min 80 kPa (ASTM D 3574, Test
8、 E) 3.6.2 Steam Autoclave Aging (ASTM D 3574, Tests E and J2) Retained Tension, min 70% of original (After two autoclave cycles, for 10 h total exposure) Specimen preparation: Cut out 25 mm wide strips from the fabric/foam laminate. By hand, carefully peel or cut the foam away from the fabric, takin
9、g care to minimize damage to the foam. Die cut tension specimens to recover the thickness of the specimens. Expose and test. 3.7 FABRIC - FOAM LAMINATE REQUIREMENTS 3.7.1 Thickness, Range Production Samples As specified on engineering or pattern drawing Source Approval and 4.0 +/- 0.65 mm Master Sam
10、ples ENGINEERING MATERIAL SPECIFICATIONWSS-M5H28-A Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 3 of 4 3.7.2 Ply Adhesion, both directions, min 6 N * (FLTM BN 151- 05) *The fabric shall not separate cleanly from the foam surface (fabric specimen shall exhibit fo
11、am particles adhered to the peeled surface). In those cases where a sustained peel cannot be obtained due to the foam tearing or breaking away completely from the fabric, ply adhesion shall be considered acceptable if the peak load prior to break exceeds the above minimum requirement. If the laminat
12、e is less than 4.0 mm thick and a numerical ply adhesion value cannot be satisfactorily obtained, ply adhesion shall be acceptable if the fabric cannot be separated cleanly from the foam. 3.7.3 Resistance to Abrasion, min 150 cycles (SAE J948, 500 g load, CS-10 wheels) No evidence of excessive surfa
13、ce deterioration. The resistance to abrasion of production material shall be equal to or better than that exhibited by the Fabric Proposal approved by the Materials engineering Activity. 3.7.4 Resistance to Fade (SAE J1885, ISO 105-A02/ AATCC Evaluation Procedure 1) 112.8 kJ/m2Rating 4 225.9 kJ/m2Ra
14、ting 3 3.7.5 Resistance to heat Aging, min Rating 4 (7 days at 100 +/- 2 C, ISO 105-A02/ AATCC Evaluation Procedure 1) No individual yarn or combination of yarns shall exhibit fiber deterioration or color tone change in excess of the above rating. Backcoatings, if applied, shall exhibit only slight
15、color change and no deterioration. 3.7.6 Resistance to Crocking (FLTM BN 107-01, AATCC Evaluation Procedure 3) Dry Rating 4 Wet Rating 4 3.7.7 Resistance to Bleeding and Perspiration, min Rating 4 (FLTM AN 101-01 and AATCC Evaluation Procedure 3) 3.7.8 Soiling and Cleanability, min Rating 3 (FLTM BN
16、 112-08) ENGINEERING MATERIAL SPECIFICATIONWSS-M5H28-A Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 4 of 4 3.7.9 Strength Properties Materials must meet the original breaking strength and aged breaking as specified below 3.7.9.1 Breaking Strength, min 35 N (ASTM
17、 D 5034, Grab Method, 305 mm/minute jaw speed, average of 5 samples, each direction) 3.7.9.2 Ultraviolet Deterioration (SAE J1885) Retained tensile, min (FLTM BN 117-03, Method A) 225.6 kJ/m230% retained strength 3.8 ODOR, max Rating 2 (FLTM BO 131-01) 3.9 FOGGING (SAE J1756, 3 h at 100 C heating, 2
18、1 C cooling plate, post test conditioning 1 h and 16 h) Fog number, min 70 Formation of a clear film, droplets or crystals is cause for rejection. 3.10 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute Must be bonded 100% to a substrate to meet the above requirement and the laminate must meet this requirement.
