1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 22 N-STATUS No Replacement Named Y. Bankowski, NA 2005 01 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.16, 3.17 & 4 1963 09 15 Released F6-1117 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 o
2、f 2 POLYURETHANE (PUR) FOAM, OPEN CELL, FILTER ESF-M4D164-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is primarily an open, fine celled polyester polyurethane foam. 2. APPLICATION This specification was released originally as a filtering media for air cleaners
3、 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). 3.4 THICKNESS As specified on Engineering Drawing 3.5 APPEARANCE The foam shall have a homogeneous,
4、 open, fine cell structure with no large voids or solid spots which may impair the serviceability of the part. All surfaces must be 100% open pore. 3.6 CELL COUNT 40 - 50 cells/25 mm 3.7 DENSITY 24 - 39 kg/m33.8 TENSILE STRENGTH, min 140 kPa (ASTM D 3574, Test E) 3.8.1 Elongation at Break, min 250%
5、Test according to para 3.8) 3.9 TEAR STRENGTH, min 525 N/m (ASTM D 3574, Test F, 50 mm/min test speed) 3.10 COMPRESSION SET, max 25% (ASTM D 3574, Test D, 50% deflection, 22 h at 70 C) 3.11 25% COMPRESSION DEFLECTION 4 - 6 kPa (ASTM D 3574, Test C, 25% compression) ENGINEERING MATERIAL SPECIFICATIO
6、NESF-M4D164-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.12 HUMIDITY AGING (AUTOCLAVE) No visible degradation (FLTM BO 012-01, except use parts as received or die cut 100 x 100 mm specimens) 3.13 COLD FLEXIBILITY No cracking Test Method: Condition thr
7、ee 50 x 200 mm specimens for a minimum of 5 h in a cold chamber maintained at -40 C. Without removing from chamber, bend the specimens 180 over a temperature conditioned mandrel equivalent in diameter to the thickness of the foam. 3.14 OZONE RESISTANCE, max Rating O (FLTM BP 101-01) 3.15 ODOR The foam shall exhibit no offensive odor, as received, during and after the humidity aging test (para 3.12).
