1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2015 02 17 B2/3 N Status No usage or replacement named A. Reaume, NA 2009 08 13 B1- N-STATUS B1 Replaced by ESH-M2D190-B2 C. Mracna, NA 2004 07 13 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.6 & 4 deleted 1978 04 04 Released R180/CAH8-56
2、4380 C.F. Carter Copyright 2015, Ford Global Technologies, LLC Page 1 of 3 SEAL, RADIATOR CAP - NBR - ETHYLENE GLYCOL RESISTANT ESH-M2D190-B1 LATHE CUT - NOT TO BE USED FOR NEW DESIGN SEAL, RADIATOR CAP - NBR - ETHYLENE GLYCOL RESISTANT ESH-M2D190-B2 MOLDED NOT TO BE USED FOR NEW DESIGN SEAL, RADIAT
3、OR CAP - NBR - ETHYLENE GLYCOL RESISTANT ESH-M2D190-B3 DIE CUT NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are nitrile butadiene rubber compounds having resistance to heat and compression set, especially in the presence of hot engine coolant. 2. APPLICATION T
4、hese specifications were originally released for materials used as molded rubber products which could be die cut, lathe cut, or used as molded for upper or lower seals of the radiator. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must confo
5、rm to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 TEST SLABS B1 B2 B3 3.4.1 Original Properties Hardness, Durometer A 60 70 60 70 55 - 65 (ASTM D 2240) Tensile Strength, MPa, min 12.0 12.0 13.8 (ASTM D 412, Die C) Elongation, % min 350 350 450 Modulus at 100% El
6、ongation, - - 1.7 MPa, min 3.4.2 Heat Aged (ASTM D 865, 70 h at 125 +/- 2 C) Hardness, Durometer A Change +5 to +15 +5 to +15 0 to +10 Tensile Strength Change, % max -10 -10 -15 ENGINEERING MATERIAL SPECIFICATION ESH-M2D190-B1/B2/B3 Copyright 2015, Ford Global Technologies, LLC Page 2 of 3 Elongatio
7、n Change, % max -50 -50 -35 ENGINEERING MATERIAL SPECIFICATION ESH-M2D190-B1/B2/B3 Copyright 2015, Ford Global Technologies, LLC Page 3 of 3 B1 B2 B3 3.4.3 Immersion in ASTM Oil No.1 (ASTM D 471, 168 h at 150 +/- 2 C) Hardness, Durometer A Change 0 to +15 0 to +15 0 to +15 Tensile Strength Change, %
8、 max -30 -30 -40 Elongation Change, % max -50 -50 -55 Volume Change, % -10 to +5 -10 to +5 -20 to -5 3.4.4 Compression Set, % max 25 25 35 (ASTM D 395, 70 h at 125 +/- 2 C) 3.4.5 Low Temperature Brittleness (ASTM D 746, non-brittle after 3 min at -35 +/- 2 C) As Conditioned Pass Pass Pass After Heat
9、 Aging per para 3.4.2 Pass Pass Pass 3.4.6 Immersion in Engine Coolant (FLTM BP 8-5, 168 h at boiling) Hardness, Durometer A Change +/- 5 +/- 5 -10 to 0 Tensile Strength Change, % max -10 -10 -20 Elongation Change % max -35 -35 -30 Volume Change, % +/- 5 +/- 5 0 to +20 Solution Composition: 50/50 ES
10、E-M97B44-A coolant concentrate and tap water. 3.5 FINISHED PART 3.5.1 Hardness, Micro, IRHD (ASTM D 1415) As Received 55 65 55 65 55 - 65 Heat Aged, Change, IRHD +5 to+12 +5 to+12 0 to+10 (70 h at 125 +/- 2 C) 3.5.2 Immersion in ASTM Oil No. 1 (ASTM D 471, 70 h at 150 +/- 2 C) Hardness Change, IRHD
11、0 to +10 0 to +15 0 to +15 Volume Change, % +5 to 10 +15 to 10 -20 to 5 ENGINEERING MATERIAL SPECIFICATION ESH-M2D190-B1/B2/B3 Copyright 2015, Ford Global Technologies, LLC Page 4 of 3 B1 B2 B3 3.5.3 Immersion in Engine Coolant (FLTM BP 8-5, 168 h at boiling) Hardness Change, IRHD +/- 5 +/- 5 -15 to
12、 0 Volume Change, % +/- 5 +/- 5 0 to +20 3.5.4 Compression Set, % max 25 35 35 (ASTM D 395, Method B plied, 5 plies max, 22 h at 125 +/- 2 C) 3.5.5 Compression Burst No splits or (ESH-M2D190-B2 only) cracks in any of the samples Test Method: Cut the 4 corners from each of 5 gaskets such that the tes
13、t pieces have arms 15 +/- 2 mm in length. Compress between metal plates by 60 +/- 2% of the original thickness. Age for 24 hours at 135 C, cool, release compression and examine both internally and externally. 5. GENERAL INFORMATION The information given below is provided for clarification and assist
14、ance in meeting the requirements of these specifications. 5.1 Use 50% Coolant Concentrate + 50% Distilled Water for all other Ford Operations, or as stated on the Engineering Drawing. For information on currently approved engine coolants and anti-corrosion additives for use in this specification contact: Fluids Materials Section Coolants/Greases Engine Engineering P.O. Box 2053, 21500 Oakwood Blvd. Dearborn, Michigan 48121, USA
