1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 1 2010 03 09 N-STATUS No replacement named R. Zhang, AP 2009 12 10 Actiavted R. Zhang, AP Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 2 SEALANT, SILICONE RUBBER, ONE COMPONENT WSS-M4G323-A12 NOT
2、 TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is one component silicone rubber based adhesive/sealant used as RTV gasket. 2. APPLICATION This specification was released originally for materials used for RTV gasket between oil pan and cylinder block for DV4 and Sigma
3、engine program in India and Philippines in 2009. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 APPROVAL INFORMATION This specification was rele
4、ased to allow this material to be purchased by Ford Purchasing for use in a Ford facility. The specification number is also the part number in WERS. There are no additional requirements defined by this specification. Materials performance and selection is proven by design verification testing on the
5、 components for which it is used. Approved Source: BLUESTAR SILICONES FRANCE SAS (FPCWA) Materials Trade Name: CAF 50 TOX number: 180577 4. GENERAL INFORMATION Typical Properties 4.1 CURE TYPE Alcoxy 4.2 COLOR Black 4.3 SPECIFIC GRAVITY 1.25 (ISO R 1183) 4.4 EXTRUSION RATE 160 g/minute NM 495 A 3 mm
6、/3 bars 4.5 SKIN FORMATION TIME 15 minutes 4.6 SETTING TIME 16 hours 2mm thickness cured 24 h at 23 +/-2 C and 50 +/- 5% R.H. ENGINEERING MATERIAL SPECIFICATIONWSS-M4G323-A12 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 2 4.7 MECHANICAL PROPERTIES AFTER CUR
7、ING FOR 7 DAYS Properties determined after curing the sealant for 168+/-2h at 23 +/- 2 C and 50 +/- 5% relative humidity with a 2.0 mm cross section. Original Tensile Strength 2.1 MPa (ASTM D 412, Die C) Elongation 350% Modulus at 100% Elongation 0.7 MPa Tear Strength 8.5 kN/m (ASTM D 624 specimen A) Durometer Hardness 33 (ASTM D 2240, Shore A, instantaneous) 4.8 STORAGE STABILITY 6 months (From date of manufacture) When stored in sealed unopened containers out of direct sunlight at ambient temperaturesbetween 10 and 27C.
