FORD ESA-M2D320-A-2009 RUBBER NATURAL BROMOBUTYL BLEND - ENERGY ABSORBING TO BE USED WITH FORD WSS-M99P1111-A 《能量吸收天然橡胶 溴化丁基橡胶混合橡胶 与标准FORD WSS-M99P1111-A一起使用 》.pdf

《FORD ESA-M2D320-A-2009 RUBBER NATURAL BROMOBUTYL BLEND - ENERGY ABSORBING TO BE USED WITH FORD WSS-M99P1111-A 《能量吸收天然橡胶 溴化丁基橡胶混合橡胶 与标准FORD WSS-M99P1111-A一起使用 》.pdf》由会员分享，可在线阅读，更多相关《FORD ESA-M2D320-A-2009 RUBBER NATURAL BROMOBUTYL BLEND - ENERGY ABSORBING TO BE USED WITH FORD WSS-M99P1111-A 《能量吸收天然橡胶 溴化丁基橡胶混合橡胶 与标准FORD WSS-M99P1111-A一起使用 》.pdf（1页珍藏版）》请在麦多课文档分享上搜索。

1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 25 N-STATUS Use industry standard C. Mracna, NA 2004 08 18 Revised Para 3.0 inserted; para 3.4, 3.5 & 4 deleted 1982 04 16 Released PCR 952112-C Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 1

2、RUBBER, NATURAL/BROMOBUTYL BLEND - ESA-M2D320-A ENERGY ABSORBING NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a blend of natural and bromobutyl rubber for use where resistance to heat, high damping factor and low temperature flexibility are required. It is per

3、missible to use SBR as a processing aid provided prior Engineering approval is obtained. 2. APPLICATION This specification was released originally for material used for the steering gear mounting insulators where energy absorbing properties at typical vehicle frequencies are needed. 3. REQUIREMENTS

4、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 SLAB STOCK (ASTM D 3182) 3.1.1 Tensile Strength, min 1,800 psi (ASTM D 412, Die C) (12.4 MPa) 3.1.2 Elongation, m

5、in 400% (ASTM D 412, Die C) 3.1.3 Hardness, Durometer “A“ 53 +/- 5 (ASTM D 2240, plied specimen) 3.1.4 Compression Set, max 40% (ASTM D 395, Method “B“, 22 h at 70 C) 3.1.5 Ozone Rating 0 (FLTM BP 101-01) 3.1.6 Cold Flexibility at -40 C Pass (ASTM D 746, Method “B“) 3.2 HEAT AGED (ASTM D 573, 70 h at 70 C) 3.2.1 Tensile Strength Change, max -25% 3.2.2 Elongation Change, max -25% 3.2.3 Hardness Change 0 to +10 3.3 Elastomer must conform to ESA-M9P7A, “Elastomeric Parts, Minimum Qualification and Acceptance Test Requirements“.