1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para. No. Revisions1981 08 12 Released AM1-6000-8WP 3948-a Page 1 of 4TAPE, ELASTIC - HIGH MODULUS - DYED - 1 in (25 mm) ESB-M6H28-A1. SCOPEThe material defined by this specification is a dyed elastic braid tapeof good quality
2、 and uniform composition.2. APPLICATIONThis specification was released originally for tape used for fastening atonneau cover to quarter trim panels on 1982 EXP and LN7 models.3. REQUIREMENTS3.1 CONDITIONINGAll test values indicated herein are based on material conditionedin a controlled atmosphere o
3、f 23 +/- 2 C and 50 +/- 5 % relativehumidity for 24 h prior to testing and tested under the sameconditions unless otherwise specified.3.2 APPEARANCE(FLTM BI 9-1)The color, pattern, and finish shall match the approved DesignCenter master sample, or shall be as specified on the engineeringdrawing.3.3
4、WIDTH 1.00 +/- 0.05 in (25.4 +/- 1.3 mm)All other dimensions shall be as specified on the engineeringdrawing.3.4 CONSTRUCTION, min(ASTM D 1910)Warp (A) Neoprene 20 ends (total width)(B) Nylon 164 ends (total width)Fill (V) Nylon 50 - 52 picks/in (19.7 - 20.5picks/cm)3.5 YARN SIZE AND DESCRIPTION(AST
5、M D 1244)Warp (A) No. 24 Gage Modified NeopreneFlame Resistant Rubber(B) 210 den (23 tex) f68 (Nylon) x 4Fill (V) 210 den (23 tex) f68 (Nylon) x 4ENGINEERING MATERIAL SPECIFICATION ESB-M6H28-AWP 3948-b Page 2 of 43.6 METHOD OF DYEING Yarn package dyeing or equivalent3.7 WEIGHT, min 80 oz/100 yd (2.4
6、50 kg/100 m)(FLTM BN 6-1)3.8 BREAKING STRENGTH, min(ASTM D 1682, Strip Test, 2 in (51 mm)Initial Jaw Separation - 12 in (305 mm)/mintest speed).Warp 300 lb (1335 N)3.9 ELONGATION, min 450 %(ASTM D 1682, at break)3.10 MODULUS OF RETENTIONTension at 20 % % Set AfterElongation/oz (N), min Tension Aging
7、, maxOriginal 50 (13.9) -Aged in Relaxed Condition 45 (12.5) -Aged in 20 % ElongatedCondition 40 (11.1) 15 %Aged in 100 % ElongatedCondition 25 (7.0) 50 %Test Method(A) Draw bench marks five (5) inches apart on each of three (3)specimens of nine (9) inches total length. Elongate on atensile testing
8、machine (1“ per min) to 20 % elongation.Record the original tension in ounces.(B) Mount two (2) specimens by tacking to a wooden board.Attach one at 20 % elongation and one at 100 % elongationbased on original bench marks of five (5) inches. Placethe mounted samples and one in a relaxed condition in
9、 anair circulating oven maintained at 215 F for 48 hours.(C) Remove the samples from the oven and release the tension.Within one hour at standard conditions, measure each sampleand calculate the set.(D) After one hour at standard conditions draw new five (5)inch bench marks and elongate the samples
10、at 1“ per min to20 % elongation. Record the aged tension.3.11 SHRINKAGE, max(FLTM BN 5-1)Warp 10 %ENGINEERING MATERIAL SPECIFICATION ESB-M6H28-AWP 3948-b Page 3 of 43.12 DRY FADE, min(FLTM BN 1-1, 50 +/- 5 % RH, 88 +/-2 C, Black Panel)100 SFH and/or 10,500 langleys in Rating 3.0Florida and ArizonaRa
11、te by comparing the overall difference, or contrast, of thetested specimen and original textile with the differencerepresented by the AATCC Gray Scale for Evaluating Change in Color(10 Step). No individual yarn or combination of yarns shallexhibit fiber degradation or color tone change.3.13 DRY AND
12、WET CROCKING, min(FLTM BN 7-1)Dry 4.5Wet 4.0Compared to the AATCC Chromatic Transference Scale (latestedition).3.14 BLEEDING AND PERSPIRATION, min 4.5(FLTM AN 1-1)The contact materials shall correspond to rating 4.5 when comparedto the AATCC Chromatic Transference Scale (latest edition). 3.15 FLAMMA
13、BILITYIn order to comply with Federal Motor Vehicle Safety Standard No.302, the materials, portions of components, and composites shallnot burn, or transmit a flame across its surface, at a rate of morethan 4 in (101 mm) per min. To demonstrate compliance, thesample size and method of testing shall
14、be in accordance with FLTMBN 24-2.3.16 PERFORMANCE - ENVIRONMENTAL AGINGAll materials, portions of components, and composites defined bythis specification that have not been treated, modified orreformulated and exceed a max burn rate of 3 in (76 mm)per min asspecified by the Flammability Lot Samplin
15、g Plan of FLTM BN 24-2,must be evaluated for permanency of the materials flame retardantproperties per ESB-M25P3-A according to the acceleratedenvironmental aging requirements applicable to the basic materialcategory of this particular specification.Any material, portions of components, and composit
16、es defined bythis specification that have been treated, modified or reformulatedto conform to Flammability Lot Sampling Plan of FLTM BN 24-2,regardless of max burn rate, must be evaluated for both permanencyof materials flame retardant properties and changes in mechanical,chemical and physical prope
17、rties per ESB-M25P3-A applicable to thebasic materials category of this particular specification.ENGINEERING MATERIAL SPECIFICATION ESB-M6H28-AWP 3948-b Page 4 of 43.17 FLAMMABILITY TEST PROGRAMMaterials, portions of components and composites defined by this bythis specification must also comply wit
18、h the requirements of ES-D3AB-11014-AA.3.18 SUPPLIERS RESPONSIBILITYMaterial supplied to this specification must be equivalent tothat originally approved. Changes in formulation or processingshall not be made without prior approval as described in SupplierProcedure I-A4. APPROVAL OF SUPPLIERSSupplie
19、rs to this specification must be approved by the affected product engineering office. Procedure for gaining approval of a specific materialto 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.
