FORD ESE-M2D347-A3-2009 SILICONE RUBBER HIGH TEMPERATURE - LOW VOLATILE - LONG LIFE GASKET TO BE USED WITH FORD WSS-M99P1111-A 《长寿命垫片用耐高温、低挥发性成分硅橡胶 与标准FORD WSS-M99P1111-A一起使用 列.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 26 N-STATUS Use industry standard C. Mracna, NA 2004 08 24 Revised Para 3.0 inserted; para 3.4, 3.5, 3.6 & 4 deleted 1984 11 05 Released CE3PRD863100E129 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Pag

2、e 1 of 3 SILICONE RUBBER, HIGH TEMPERATURE - ESE-M2D347-A LONG LIFE GASKET SILICONE RUBBER, HIGH TEMPERATURE - ESE-M2D347-A3 LOW VOLATILE - LONG LIFE GASKET NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications is a low modulus, high elongation silicone rubber with exce

3、llent tear resistance and compression set, suitable for long-term, high temperature service conditions. 2. APPLICATION ESE-M2D347-A This specification was released originally for material used as the best in class gasket for rocker arm cover and oil pan. ESE-M2D347-A3 This specification was released

4、 originally for low volatile silicone material used as the best in class gasket for rocker arm cover and oil pan. ow volatile silicone material must be used if contamination of emission components with silica is of concern. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material

5、suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 CONSTRUCTION The gasket shall consist of silicone rubber with metal compression limiters molded in place as designated by the part print. 3.2 METAL COMPRESSION LIMITERS MP1F

6、 FC0208-R Sintered Copper Steel 3.3 SLABS OR PARTS SPECIMENS Test specimens can be taken from either slabs or molded parts. To insure a proper cutting of specimens, backup all specimens with cardboard or a rubber slab. The ASTM slabs must be cured for 10 minutes at 177 C. Part specimens must be cut

7、as follows: Tensile per ASTM D 412, Die C, full thickness. If the length between the compression limiters is not long enough to accommodate a Die C, use a die exactly one-half the dimensions of the Die C. Tear per ASTM D 624, full thickness. Volume Change - 25.4 mm x part width x part thickness. Com

8、pression Set - 25.4 mm long x part width x single thickness minus any skirt. Do not buff any sample including those with a bead, except for Compression Set. ENGINEERING MATERIAL SPECIFICATIONESE-M2D347-A/A3Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 3 3.3.

9、1 Original Properties Hardness, Durometer A 40 - 50 (ASTM D 2240) Tensile Strength, min 6.5 MPa (ASTM D 412) Elongation, min 750% (ASTM D 412) Modulus at 100% Elongation 700 - 1290 kPa (ASTM D 412) Tear Strength, min 27 kN/m (ASTM D 624, Die B) Compression Set, max 35% (ASTM D 395, Method B, 22 h, 1

10、75 +/- 2 C) 3.3.2 Heat Aged (ASTM D 573, 168 h at 175 +/- 2 C) Hardness Change, max +14 (60 Durometer A, max) Tensile Strength Change, max -30% Elongation Change, max -32% 3.3.3 Immersion in ASTM No. 1 Oil (ASTM D 471, 168 h, at 150 +/- 2 C) Hardness Change, max -10 Tensile Strength Change, max -35%

11、 Elongation Change, max -35% Volume Change 0 to +10% 3.3.4 Immersion in ASTM No. 3 Oil (ASTM D 471, 168 h at 150 +/- 2 C) Hardness Change, max -22 Tensile Strength Change, max -70% Elongation Change, max -65% Volume Change, max +65% ENGINEERING MATERIAL SPECIFICATIONESE-M2D347-A/A3Printed copies are

12、 uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 3 of 3 3.3.5 Cold Test No cracks After heat aging (para 3.3.2), place specimens in the cold box at -40 +/- 2 C for 24 h. Bend 180 over 12.7 mm diameter mandrel conditioned in the cold box. 3.3.6 Volatile Matter, max 0.5% ESE-M2D347-A3 Only (As Received) Weigh the complete part or gasket (rubber only: exclude compression limiters) to the nearest 1 mg, then place in a circulating air oven at 121 C for 3 h. Cool in a desiccator, reweigh and determine volatile matter.

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