1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2015 04 02 N Status No usage or replacement L. Sinclair, NA 2006 05 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8, 4 1999 01 29 Revised Deleted A2/B2; Revised the tape has to be carefully bonded so that it will be in perfect alignm
2、ent) 3.4.1.1 Original, min 20 N/cm 3.4.1.2 After Aging, max -35% based on (14 d at 70 +/- 2 C, 1 h measured original at room temperature) value 3.4.1.3 After Humidity Aging, max -35% based on (16 h at 38 +/- 2 C and measured original 98 +/- 2% relative value humidity ENGINEERING MATERIAL SPECIFICATI
3、ON ESK-M3G150-A1 ESK-M3G150-B1 Copyright 2015, Ford Global Technologies, LLC Page 2 of 4 3.4.2 Shear Strength Test Method: Bond the tape carefully to an enameled panel (prepared according to FLTM BI 103-02, Method C) so that it will be in perfect alignment. Bonding area shall be 15 x 15 mm. Clamp bo
4、th ends of the assembly in the jaws of a tensile testing machine and determine the force required to separate the parts. Separation rate 25 mm/minute. 3.4.2.1 Original, min 50 N/cm2 (1 h at room temperature after bonding) 3.4.2.2 After Aging No loss of (14 days at 70 adhesion +/- 2 C, 1 h at room te
5、mperature) 3.4.3 Softening Point, min 90 C (ASTM D 816, except use specimens according to 3.1.2 and apply a force of 2.03 N to each specimen; maintain oven temperature at 50 C for 15 minutes and then increase 2.5 C/5 minutes until bond failure) 3.5 DUAL LOCK TAPE COMBINATION 3.5.1 Thickness of Close
6、d Tape Fasteners 4 +/- 1 mm (Slide gauge; pressure to close the tape fastener: 20 N/cm2) 3.5.2 Width of Tape Fastener 25 +/- 1 mm Or as specified on Engineering drawing. 3.5.3 Mass 500 - 900 kg/m3 (Without release film) 3.5.4 Tensile Strength, min 15 N/10 mm width (ASTM D 412, Die “C“; except calcul
7、ator for 10 mm material width, test speed 300 mm/minute) 3.5.4.1 Elongation 5 - 30% ENGINEERING MATERIAL SPECIFICATION ESK-M3G150-A1 ESK-M3G150-B1 Copyright 2015, Ford Global Technologies, LLC Page 3 of 4 3.5.5 Dual Lock Strength Test Method: 1) Prepare test specimens according to Fig.1. 2) To close
8、 the tape fasteners apply a load of 20 N/cm2. 3) Closure and separation rate for cycling: 300 mm/minute. 4) Separation rate for adhesion test: 25 mm/minute. 3.5.5.1 Original, min 15 N Adhesion of adhesive backing to the tapes must be higher than the dual lock strength. 3.5.5.2 After Cycling No loss
9、(20 closures and openings) 3.5.6 Dual Lock Peel Strength, min 4 N/cm Test Method: 1) Test fixture according to FLTM BN 113-01. 2) Bond dual lock tape according to ESK-M3G150-A1/B1 under maximum hand pressure to an enameled panel prepared according to FLTM BI 103-02, Method C. 3) Determine 90 peel st
10、rength at a rate of pull of 300 mm/minute. 3.5.7 Dual Lock Shear Strength, min 5 N/cm2 Adhesion of adhesive backing of the tape must be higher than the dual lock shear strength of assembled tapes. Test Method: 1) Use 100 mm long pieces of tapes according to ESK-M3G150-A1/B1. 2) Lock both tapes toget
11、her for an area of 50 x 15 mm using a pressure of 20 N/cm2. 3) Clamp both of the assembly in the jaws of a tensile testing machine and determine the required shear force to separate the tapes. Separation rate: 300 mm/minute. 3.5.8 Liner Removal, max 1.5 N/15 mm (ASTM D 1000) ENGINEERING MATERIAL SPE
12、CIFICATION ESK-M3G150-A1 ESK-M3G150-B1 Copyright 2015, Ford Global Technologies, LLC Page 4 of 4 3.6 FLAMMABILITY 3.6.1 ESK-M3G150-A1 (ISO 3795) Burn Rate, max 100 mm/minute 3.6.2 ESK-M3G150-B1 (FLTM BN 024-02) Burn Rate, max 100 mm/minute In order to comply with Federal Motor Vehicle Safety Standar
13、d No. 302, the materials, portions of components, and composites shall not burn or transmit a flame across their surface, at a rate of more than 100 mm/minute. To demonstrate compliance, the sample size and method of testing shall be in accordance with FLTM BN 024-02. 3.6.2.1 Performance-Environment
14、al Aging Requirement All materials, portion of components, and composites defined by this specification that have not been treated, modified or reformulated, and exceed a maximum burn rate of 75 mm per minute as specified by the Flammability Lot Sampling Plan of FLTM BN 024-02, must be evaluated for
15、 permanency of the materials flame retardant properties per SK-M99P9500-A, Table 1 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 specificat
16、ion that have been treated, modified or reformulated to conform to Flammability Lot Sampling Plan of FLTM BN 024-02, 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 SK-M99P9
17、500-A, Table 1 applicable to the basic material category of this particular specification. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 STORAGE STABILITY (From date of receipt of Ford Motor Company) Minimum 6 months when stored between 5 C and 28 C. 5.2 SURFACE CONDITION To achieve optimum adhesion the surface to be bonded must be completely dry and free of dirt, oil, grease and foreign matter.
