1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver. 5 2010 02 24 B- N-STATUS No replacement named L. Sinclair, NA 2008 08 22 A - INACTIVE No Replacement B. Witkowski, FNA 1972 02 01 Released 2G/CE 3948 KC Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1
2、of 4 RUBBER WEATHERSTRIP, FLOCKED INACTIVE SK-M99D9883-A RUBBER WEATHERSTRIP, FLOCKED NOT TO BE USED FOR NEW DESIGN SK-M99D9883-B 1. SCOPE The material defined by these specifications is an extruded rubber profile electrostatically flocked with synthetic fibers. 2. APPLICATION This material is gener
3、ally used as a weatherstrip for window glass and/or as specified on Engineering. 3. REQUIREMENTS Note: The material shall be conditioned for a minimum of 24 h at 23 +/- 2 C and 50 +/- 5% relative humidity prior to test and tested under the same conditions. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MA
4、TERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 REQUIREMENTS OF FINISHED PART 3.1.1 Color of the Supporting Part and Flocking Black or as specified on the Engineering Drawing. 3.1.2 Surface Requirements o
5、f the Supporting Part Free from blisters and open pores. 3.1.3 Dimensions of the Supporting Part As specified on the Engineering Drawing. 3.1.4 Area of Flocking As specified on Engineering Drawing. 3.1.5 Heat Stability Maximum 1.5% shrinkage or as specified on the Engineering Drawing. Test Method: P
6、lace a complete part or a section of the part in a mechanical convection oven maintained at 105 +/- 2 C for 30 minutes. Measure the shrinkage after cooling to room temperature. ENGINEERING MATERIAL SPECIFICATIONSK-M99D9883-A SK-M99D9883-BPrinted copies are uncontrolled Copyright 2010, Ford Global Te
7、chnologies, LLC Page 2 of 4 3.1.6 Heat Ageing Max 3.0% shrinkage or as specified on the Engineering Drawing. Furthermore, the supporting part shall not show any distortion, cracks or other failures. Test Method: Place a complete part or a section of the part in a mechanical convection oven maintaine
8、d at 80 +/- 1 C for 7 days. Measure and examine after cooling to room temperature. 3.1.7 Cold Flexibility The supporting part shall not break or crack. Test Method A: (For parts without metal inserts). Place a section of the part approx. 200 mm in length in a cold chamber maintained at -40 +/- 1 C f
9、or 4 h. While still in the cold chamber bend sample with flocked surface inward, sharply 180 back upon itself. Test Method B: (For parts with metal inserts). Place a flattened section of the part approx 400 mm in length in a cold chamber maintained at -40 +/- 1 C. While still in the cold chamber ben
10、d sample with flocked surface inward 180 upon itself over 100 mm diameter mandrel within 3 to 5 s. 3.1.8 Contact and Migration Staining (FLTM BP 153-01) After test the contact material shall not show any migration staining. Slight contact staining is permitted, if not otherwise specified on the Engi
11、neering Drawing. 3.1.9 Paint Staining by Water Extractable Ingredients None (FLTM EU-BP 053-02) 3.1.10 Fastness to Light 200 SFH (FLTM EU-BN 001-01) The specimen (supporting material and flocked surface) shall not show any fading when compared with the AATCC Gray Scale. It shall further show no chan
12、ge in color tone or gloss, evidence of spotting greater than the Master Sample approved by the Body Materials Development Laboratory, Body Engineering. 3.1.11 Abrasion Resistance of Flocked Surface The flocked area shall show no evidence of wear through after the required abrasion cycles or shall be
13、 equal to or better than the Master Sample approved by the Body Materials Development Laboratory, Body Engineering. 3.1.11.1 Original 500 abrasion cycles or as specified on the Engineering Drawing. 3.1.11.2 After Exposure to Light (FLTM EU-BN 001-01, 200 SFH) 500 abrasion cycles or as specified on t
14、he Engineering Drawing. ENGINEERING MATERIAL SPECIFICATIONSK-M99D9883-A SK-M99D9883-BPrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.1.11.3 After Humidity Exposure (72 h at 38 +/- 1 C and 98 +/- 2% relative humidity) 250 abrasion cycles or a specified on E
15、ngineering Drawing. 3.1.11.4 After Heat Ageing (7 days at 80 +/- 1 C in a mechanical convection oven) 250 abrasion cycles or as specified on the Engineering Drawing. Test Method: 1) Use Equipment according to FLTM BN 108-01 except as follows: Substitute the rotating clamp by the “Flex Block“ (specia
16、l accessory to Stoll Quartermaster Abrader - see suppliers technical brochure. 2) Prepare a plane specimen 75 mm in length and bond in longitudinal direction to a 40 mm wide duck cloth strip of sufficient length. 3) Mount the test assembly on flex block and the abrasive paper (Cilicium Carbid Paper
17、“Matador“ waterproof, Type 971, Grain Size 400, available from: Messrs. Tus Abrasive Ltd. Ipswich Road/Coldchester Avenue, Cardiff) on the abradant plate, and load the latter with the following weight force Weight Force: 981 mN/1 mm specimen width: Width, min 4 mm Width, max 8 mm 3.1.12 Salt Spray R
18、esistance No corrosion (ASTM B 117) Time of Exposure 72 h or as specified on the Engineering drawing Note: This test is required for parts with not completely coated metal inserts only. 3.1.13 Resistance to Waxing and Dewaxing Compounds After test the specimen shall not show any color tone change or
19、 any other failures. Test Method: The waxing and dewaxing procedure shall be carried out according to the Manufacturing Standard EU-MS 3-15. The waxing compound shall remain on the part for at least 72 h prior to dewaxing. Note: This test is required for exterior parts only. 3.2 SPECIFIC REQUIREMENT
20、S OF FINISHED PART Specific requirements for the finished part, if required, shall be as specified on the Engineering Drawing. ENGINEERING MATERIAL SPECIFICATIONSK-M99D9883-A SK-M99D9883-BPrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4 3.3 BASE MATERIAL REQU
21、IREMENTS 3.3.1 Supporting Material Rubber to SAE J200, 2 AA 710 A 13 or as specified on the Engineering Drawing. 3.3.1.1 Ozone Resistance Rating “0“ (FLTM BP 101-01) As specified on Engineering Drawing 3.3.2 Metal Insert As specified on the Engineering Drawing. 3.3.3 *Fiber Polyester 333 mtex, nomin
22、al fiber length 0.6 mm, alternative Polyamide 333 mtex, nominal fiber length 0.5 mm or as specified on the Engineering Drawing. *For information of supplier only. Must be certified by supplier on Initial Laboratory Sample Report. 3.4 FLAMMABILITY 3.4.1 SK-M99D9883-A No requirement 3.4.2 SK-M99D9883-
23、B (FLTM EU-BN 024-02) Burn Rate, max 100 mm/minute In order to comply with Federal Motor Vehicle Safety Standard No. 302, the materials, portions or 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, th
24、e sample size and method of testing shall be in accordance with FLTM EU BN 024-02. 3.4.2.1 PERFORMANCE-ENVIRONMENTAL AGEING REQUIREMENT All materials, portions of components, and composites defined by this specification that have not been treated, modified or reformulated, and exceed a maximum burn
25、rate of 75 mm per minute as specified by the Flammability Lot Sampling Plan of FLTM EU-BN 024-02, must be evaluated for permanency of the materials flame retardant properties per SK-M99P9500-A, Table 1 according to the accelerated environmental ageing requirements applicable to the basic material ca
26、tegory of this particular specification. Any material, portions of components, and composites defined by this specification that have been treated, modified or reformulated to conform to Flammability Lot Sampling Plan of FLTM EU-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-M99P9500-A, Table 1 applicable to the basis material category of this particular specification.
