1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 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/CAH8-564380 C.F. Carter Printed copies are uncontrolled Copyright 2009, Ford
2、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 SEAL, RADIATOR CAP - NBR - ETHYLENE GLYCOL RESISTANT ESH-M2D190-B3 DIE CUT 1. SC
3、OPE 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 These specifications were originally released for materials used as molded rubber products which co
4、uld 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 conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 TEST SLABS
5、 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% Elongation, - - 1.7 MPa, min 3.4.2 Heat Aged (ASTM D 865, 70 h at 125 +/- 2 C) Hardness, Durometer A
6、 Change +5 to +15 +5 to +15 0 to +10 Tensile Strength Change, % max -10 -10 -15 Elongation Change, % max -50 -50 -35 ENGINEERING MATERIAL SPECIFICATIONESH-M2D190-B1/B2/B3Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 3 B1 B2 B3 3.4.3 Immersion in ASTM Oil No.
7、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, % 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 Lo
8、w Temperature Brittleness (ASTM D 746, non-brittle after 3 min at -35 +/- 2 C) As Conditioned Pass Pass Pass After Heat 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, % m
9、ax -10 -10 -20 Elongation Change % max -35 -35 -30 Volume Change, % +/- 5 +/- 5 0 to +20 Solution Composition: 50/50 ESE-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
10、 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 0 to +10 0 to +15 0 to +15 Volume Change, % +5 to 10 +15 to 10 -20 to 5 ENGINEERING MATERIAL SPECIFICATIONESH-M2D190-B1/B2/B3Printed copies are uncontrolled Copyright 2009, Ford Glo
11、bal Technologies, LLC Page 3 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 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 Com
12、pression 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 test 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, releas
13、e compression and examine both internally and externally. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance 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
