1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 09 29 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.6, 3.7, 4 1991 11 04 Released EP00E01089490000 K. Gerhards Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 2 LAMINATE, POLYETHYLENE (PE) FOAM, W
2、SK-M98D26-A RECYCLED/POLYETHYLENE (PE) SHEET 1. SCOPE The material defined by this specification is a laminate of closed cell polyethylene foam made of recycled chips, heat fused on a polyethylene sheet by punching through heated needles. The polyethylene sheet acts as processing aid and remains on
3、the foam. 2. APPLICATION This specification was released originally for material used as boot floor filler below the boot mat. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Ma
4、terials (WSS-M99P1111-A). 3.4 POLYETHYLENE FOAM Tests shall be carried out on specimens with the polyethylene sheet attached. 3.4.1 Density, max 100 kg/m3 (ISO 845/ASTM D 3574, Test A) 3.4.2 Compression Set, max 40% (ISO 1856, Method A/ASTM D 3574, Test D, ct calculation, 22 h at 23 C, 50% deflectio
5、n, 3 specimens, minimum) 3.4.3 Compression Deflection Stress, min. 25 kPa (ISO 3386/1 at 25% compression, specimen size 100 x 100 x 30 mm, test speed 100 +/- 20 mm/minute, evaluation of the 1st compression plot) 3.5 LAMINATE 3.5.1 Dimensional Stability, max WMD -5% AMD -5% Test Method: A specimen ap
6、prox. 300 x 300 mm in size shall be placed in a mechanical convection oven maintained at 90 +/- 2 C for 3 h. Dimensional changes shall be measured after cooling down to room temperature. ENGINEERING MATERIAL SPECIFICATION WSK-M98D26-A Printed copies are uncontrolled Copyright 2006, Ford Global Techn
7、ologies, LLC Page 2 of 2 3.5.2 Odor, max Rating 2 (FLTM BO 131-01/SAE J1351) 3.5.3 Flammability (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 12.7 +/- 0.1 mm with natural surface. 5. GENERAL INFORMATION The information given below is provided
8、 for clarification and assistance in meeting the requirements of this specification. 5.1 POLYETHYLENE SHEET, nominal thickness 0.05 - 0.1 mm 5.2 FOGGING (FLTM BO 116-03) Fog Number, min 30 The formation of droplets or coalescence into a clear film is cause for rejection. 5.3 RECYCLING CODE SAE PE OPTIONAL
