1、 FORD LABORATORY TEST METHOD AZ 105-02 Date Action Revisions Rev. 6 2013 12 11 Revised Added CM85A, CE15A, and WSS-M99C130-A T. Covert, NA 2009 08 11 Revised See Revisions Section A. Reaume, NA 1997 11 21 Activated J. Spencer Controlled document at www.MATS Copyright 2013, Ford Global Technologies,
2、LLC Page 1 of 4 TEST FUEL FORMULATIONS Application This test method describes the formulations required for preparing various test fuels. These test fuel blends are used to determine permeation and fuel compatibility of various materials used in automotive fuel systems. These fuels do not contain th
3、e additive packages (detergents, antioxidants, lubricity modifiers, etc.) found in most commercial fuels. Their use in engineering testing protocols should take this into consideration. Nomenclature and Terminology Fuel Designation Format XY#(Y2#)Z where X = Base fuel (a list of base fuel codes is b
4、elow) Y = Oxygenate (a list of oxygenate fuel codes is below) # = Volume percent of oxygenate Y2 = Second oxygenate (a list of oxygenate fuel codes is below) Z = Impurity (a list of impurity fuel codes is below) Base Fuel Codes (X) A = reference fuel A (100% iso-octane) B = reference fuel B (70% iso
5、octane, 30% toluene) C = reference fuel C (50% iso-octane, 50% toluene) D = reference fuel D (60% iso-octane, 40% toluene) E = reference fuel E (100% toluene) F = reference fuel F (diesel fuel, Grade #2, 100%) G = reference fuel G (fuel D 85%, anhydrous denatured ethanol 15%) H = reference fuel H (
6、fuel C 85%, anhydrous denatured ethanol 15%) I = reference fuel I (fuel C 85% anhydrous methanol 15%) K = reference fuel K (fuel C 15%, anhydrous methanol 85%) These reference fuels are described in ASTM D471/ISO 1817. The fuel typically used for materials testing has been reference fuel C. FORD LAB
7、ORATORY TEST METHOD AZ 105-02 Copyright 2013, Ford Global Technologies, LLC Page 2 of 4 Oxygenate and Alternative Fuel Codes (Y) Several oxygenates (alcohols and ethers) are in use or have been identified as potential candidates for use in reformulated gasolines. The most common include: M = methano
8、l E = ethanol ME= methyl tertiary butyl ether EE = ethyl tertiary butyl ether TE = tertiary amyl methyl ether Higher molecular weight alcohols (isopropyl and t-butyl) and ethers (diisopropyl and ethyl t-amyl) may find some usage. Alcohol based alternative fuels will consist of blends of ethanol (0 -
9、 85%) or methanol (0 - 85%) and with a hydrocarbon mixture such as unleaded gasoline (15 - 30%). Impurity Codes (Z) P = auto-oxidized fuel A = aggressive (mixture information is provided below) Preparation of auto-oxidized fuel is described in ISO 4639-3 annex A. Nomenclature Examples: XY#Z = CM25A
10、 75% aggressive reference fuel C +25% aggressive methanol XY#(Y2#)(Y3#)A = CM3(E5)( EE7)A = 85% aggressive reference fuel C +3% aggressive methanol + 5% aggressive ethanol + 7% ethyl tertiary butyl ether Aggressive Mixtures Aggressive Water: 1.0 l of distilled water 0.990 g NaCl (600 PPM Cl-) 0.888
11、 g Na2SO4- (600 PPM SO4-) 0.828 g NaHCO3- (600 PPM HCO3-) Aggressive Fuel C: 980.0 ml reference fuel C 19.9 ml distilled water 0.1 ml Aggressive water FORD LABORATORY TEST METHOD AZ 105-02 Copyright 2013, Ford Global Technologies, LLC Page 3 of 4 Aggressive Methanol or Ethanol: 995.0 ml anhydrous me
12、thanol (or ethanol) 5.0 ml aggressive water 0.028 ml formic acid (or acetic) When making an aggressive mixture, for instance CM85A, 15% aggressive fuel C and 85% aggressive methanol would be used. Fuel Blends for Elastomers and Thermoplastics* Base Fuels CM15A CM15AP (oxidize fuel as described in IS
13、O 4639-3 annex A using a peroxide number of 180 180 mmol/l equivalent) CME15 Enhanced Evaporative Emission Vehicles Base fuels plus C (permeation testing per SAE J1737) CE10/CM15 optional (permeation testing per SAE J1737) Flex Fuel Vehicles Base fuels plus CE25 CEXX (Permeation testing per SAE J173
14、7 with worst case fuel determined per SAE J1748) CE50 CE85 Diesel Vehicles (Bio-diesel) B100 European Bio-diesel per Euronorm EN14214 or US B100 per ASTM D6751 Aggressive B30 per XE-M4CX732-B30B *Aggressive blends recommended for thermoplastics. Fuel Blends for Metals and Coated Metals Fuel C High a
15、romatic gasoline - represents field fuel Auto-oxidized fuel (sour gas), PN 180, per ISO 4639-3 annex A. Gasoline long term storage CM15A Methanol aggressive fuel CM85A Methanol aggressive fuel CE10A Ethanol Aggressive fuel CE15A Ethanol Aggressive fuel CE25A Ethanol Aggressive flex fuel CE85A Ethano
16、l Aggressive flex fuel E93A per XE-M4CX652-93A Aggressive Brazil field fuel Ultra Low sulfur diesel with 15 ppm sulfur max USA Diesel market fuel B30A per XE-M4CX732-B30B Aggressive Biodiesel Urea per WSS-M99C130-A Diesel Exhaust Fluid (DEF) Additional local market fuels may be required Ford Approve
17、d Fuel Suppliers: Gage Products, Haltermann Solutions. Consult Fuels and Lubes Department for any sourcing questions. FORD LABORATORY TEST METHOD AZ 105-02 Copyright 2013, Ford Global Technologies, LLC Page 4 of 4 Conditioning and Test Conditions All test values indicated herein are based on materia
18、l conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Ea
19、ch party is responsible for determining proper use and handling in its facilities. Summary of Revisions 2013 12 11 Added: CM85A Added: CE15A Added: Urea per WSS-M99C130-A 2009 08 11 Removed: CM10A Removed: CM85A Removed: Low sulfur diesel (Phillips 66 Diesel with .05 sulfur) Added: Fuel C Added: CM15A Added: CE25A Added: E93A per XE-M4CX652-93A Added Ultra Low sulfur diesel with 15 ppm sulfur max Added: B30A per XE-M4CX732-B30B 2008 04 22 Revised Oxygenate and Alternate Fuels; Impurity and Fuel Blends for Elastomers and Thermoplastics
