1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 11 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 2001 06 25 Revised Updated & Renumbered A. Cockman 1996 10 10 Activated K. Gerhards Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of
2、2 ISOCYANATE FOR PUR FOAM, MOLDED WSS-M5D21-A 1. SCOPE The material defined by this specification is a MDI type isocyanate (component B). 2. APPLICATION This specification was released originally for material used for producing seat pads on the 1997 Mondeo. 3. REQUIREMENTS Material specification req
3、uirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 VISCOSITY 16 +/- 10 mPas (ASTM D 2849, test temp
4、erature 25 +/- 0.5 C, spindle no. 2, rotational frequency 12/minute) 3.5 CUP TEST 100 : 60 (FLTM BO 160-02, Mixing Ratio) Test Portion of Component A 34.4 g Test Portion of Component B 20.6 g Component A according to specification WSS-M5D22-A Mixing Time 7 s 3.5.1 Creaming Time 11 +/- 3 s 3.5.2 Risi
5、ng Time 75 +/- 8 s 3.6 FOAMING PROPERTIES (FLTM BO 160-03, except conditioning period after demolding 30 +/- 3 minutes prior to test for indentation hardness) Mixing Ratio 100 : 60 Mold Temperature 58 +/- 2 C Component A according to specification WSS-M5D22-A Mixing Time 7 s Weight of Part 740 +/- 2
6、0 g 3.6.1 Indentation Hardness 345 +/- 50 N ENGINEERING MATERIAL SPECIFICATION WSS-M5D21-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 2 3.7 FORMATION OF LUMPS Pour 250 g of component A, as delivered, through a wire mesh (width of mesh 0.8 mm). The materia
7、l shall show no oversize residue. 3.8 COLOR Natural or according to Engineering Drawing. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 STORAGE STABILITY (From date of receipt at FMC) Minimum 3 months at a temperature between +18 and +25 C. The material shall be stored in air tight containers.
