1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 11 Revised Inserted 3.0; Deleted 3.7, 3.8 & 4 1994 12 07 Revised Revised and Retyped, was 7 pages 1985 09 24 Released SM/EQ 5569 TP Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 2 POLYOL, COMP
2、ONENT A FOR ENERGY ABSORBING FOAM ESK-M5D10-A 1. SCOPE The material defined by this specification is a modified polyether polyol with the necessary additives such as catalysts and stabilizers. 2. APPLICATION This specification was originally released for a material used for processing energy absorbi
3、ng foam of bumper shells. 3. REQUIREMENTS 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). 3.1 VISCOSITY 1800 +/- 200 mPa s (ASTM D 2849, test temperature 25 +/- 0.5
4、C, spindle No. 2, rotational frequency 12/minute) 3.2 DENSITY 1.05 +/- 0.02 Mg/m3 (ASTM D 1475, test temperature 23 +/- 1 C) 3.3 WATER CONTENT 2.8 +/- 0.2% (ASTM D 2849) 3.4 FORMATION OF LUMPS Pour 250 g of the component A, as delivered, through a wire mesh (width of mesh 0.8 mm). The material shall
5、 show no oversize residue. 3.5 COLOR Black or according to Engineering Drawing. 3.6 FOAMING PROPERTIES To determine the reactivity of the component A an interaction with component B (isocyanate) according to S-M4D4900-A will be carried out. 3.6.1 Ratio of Components 1:0.64 Note: The following test e
6、quipments are necessary to carry out the tests: a) Laboratory stirrer with a mixing rotor of approximately 60 mm in diameter. Speed of rotation approximately 1500/minute. ENGINEERING MATERIAL SPECIFICATION ESK-M5D10-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page
7、 2 of 2 b) Paper beaker, unparaffinated, approximately 850 cm3 content, diameter 89 mm, height 137 mm. Source: Fa. Dr. Fred Stahl KG Winzerstrasse 75 D - 5300 Bonn 1 Tests shall be carried out at a temperature of 23 +/- 1 C and 50 +/- 5% relative humidity. Procedure: Weigh into a paper cup with know
8、n tara weight 50 g of component A and 32 g of component B. Immediately after adding the component B stir the mixture for 10 seconds. Observe the foaming process and record with a stop watch the creaming and rising time. 3.6.2 Creaming Time 23 +/- 3 s Time in seconds from start of stirring until star
9、t of volume rise. 3.6.3 Rising Time 205 +/- 10 s Time in seconds from start of stirring until end of volume rise. 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 Ford Motor Company) Minimum 3 months at temperature between +18 C and +25 C. The material shall be stored in air tight containers.
