1、MIL-C-5546A L . . .“.“ -. MIi-GS546- 9 January 1953 HILl!“ SPECIFICATION COMPOUND; ENGINE CLEANlNG (CRESOL BASE) This specification was approved by the hpartments of the Army, the Navy, and the Air Force for use of procurement services of the respective Departments. 2. “ APPLICABLE SPECIFICATIONS AN
2、D OTHER PUBLICATIONS 2.1 The following publications, of the issue in effect on date of invitation for 2.1.1 Specifications.- Federal bids, shall form a part of this specification to the extent specified herein: 49-A-355 Aluminum-Alloy(AL-U) ( Aluminum-Copper- Magnesium (l. Sj)-Manganese) ; Plates, S
3、heets, and Strips and Strips QQ-C-501 Copper; Bars, Plates, Rods, Shapes, Sheets, QQ-P-416 Plating; Cadmium (Electrodeposited) TT-P-U1 Paint, Varnish, Lacquer and Related Materials; Methods of Iaspection, Sampling, and Testing General Methods of Sampling and Testing VV-L-791 Lubricants, Liquid-Fuels
4、; and Related Productsi Military MIL-e5557 Ehamel; Heat-Resisting, Glyceryl-Phthalate, Black MIM-6082 MIL-P-6889 Oil; Lubricating, Aircraft-hgine Primer; Zinc-Chromate Jh-P-110 Packaging and Packing for Overseas Shipment - Drums; Metal, 55-Gallon Containers (Cans, Pails, and Drums) Metal JAN-P-124 P
5、ackaging and Pecking for Overseas Shlpment - Air Force-Navy Aoronau Corrosion-Protective (for) Aluminum Alloys AN“11 Steel; Sheet and Strip Carbon (1200 and 1025) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-5511bA.bB 9 7777906 01111654 B 9
6、MILG5546A (August 1950) u. s. Army 94-40645 Clerking; Ekterior, Domestic ;md Export Shipment by Contractors 2.1.2 Other Publications.- Bureau of Supplies and Accounts Navy Shipment Marking Handbook (Copies of this publication and copies of other publications referenced herein or required for Governm
7、ent procurement, and the Index of Wlitaly Aeronautical (AN or MIL) Standarda, nay be obtained upon application to the Commanding General, Air Materiel Command, Wright-Patterson Air Force Base,. Dayton, Ohio; or the Commanding Officer, U. S. Havil Air titation, Johnaville, Pennsylvania. 1 3. HEUUltUE
8、NIS 3.1 Material.- The ingredient mate7ial used ln the manufscture o this product hall be of high quality, suitable for the purpose, free from .starch, mercaptans, phosphates, silicates, abrasive materials, inert fillers, or rosin and shall conform to the applicable requirements as specified herein.
9、 3.2 Commaition.- Unless othemiae specified, the compsaition of the copound md the .p portion thereof, ehall be in accordance with table I, TABU I I I I 3.3 Properties of the Soap Fatty-Acids.- The properties of the soap fatty-acide shall be as follows: Iodine Number (Wije) (min) 80- Acid Number 160
10、 - 196 Hefractive Index as 25C (WF) 1.454 - 1.486 3.4 Properties of Cresol Inaredient.: Thecresol ingredients shall conform to the following requirements: Armemance.- The nateriel ahall be clear and free frm suspended matter by trmsnitted light. “ Provided by IHSNot for ResaleNo reproduction or netw
11、orking permitted without license from IHS-,-,-HIL“5546h (August 1950) 3.4.2 Color.- The material shall be colorless to brown, yellow, or pink. 3.4.3 m.- The odor shall be such that the product in operation sholl not produce obnoxious vapors in such concentrations as to become an annoyance or a medic
12、al hazard to personnel when used in accordance with the directions specified herein. 3.4.4 Specific Gravity (Weinht per Cal) .- The specific gravity shall be between 1.020 and 1.055 (8.50 and 8.79 lbs per gal) at 20/20C (68/68OF). 3.4.5 Distillation.- Distillation shall show the following: Distillat
13、ion Range: 5 percent point 8O0C: (356OP) (Min) 95 percent point 260C (50OOF) (Max) 3.3 Physical and Chemical Requirements of the Compound.- 3.5.1 . -.- The compound shall be 8 homogeneous liquid at ordinary temperature. 3.5.2 Specific Gravity.- The S cific gravity of the compound shall be between 1.
14、01 and 1.05 at a temperature of 25/25 r C (77/pF). . 3.5.3 Absolute Viscosity.- The absolute viscosity shall be not more than 0.5 poises at a temperature of 25OC (VF). 3.5.4 Acidity.- The pH value of a solution of one part compound to four parts distilled water by volume at 2OoC (68F) shall be betwe
15、en 7.5 end 8.0. 3.5.5 Solubility in Water.- The compound hall be completely roluble and shall cause no visible trace of corrosive attack and only a slight surface discoloration of polished aluminum alloy and of cadmium-plated steel. 3.6.3 strippina Properties.- The solution shall completely strip th
16、e tded primer and enamel top coats from an anodized aluplinum-alloy pmel at a temperature of 57 to 63OC (135 to U5OF) in a maximum period of 35 minutes, or in n period equnl to or less than the time required to strip the coated pnnel with a control formula as specified under paragraph 4.4.2.5.6. Dur
17、ing the specified time, the solution shall not sttack or affect oxidntion or discoloration of the metal portion of the panel. 3.6.4 Kinsing Properties.- The surface of the pnnel stripped in accorduce with paragraph 3.6.3, shall show no sticky fih after rinsing in fresh hot water. Phcre shall be no r
18、emaining evidence of soap, lime curd, or physical dirt. The rinse buter on the panel surface shall form B smooth, unProken luyer free ?rom water breS hot water Path or a heating santle must be used.) At the end of this time, let the temperature ris to 100F, turn off the heat and let the air bubble t
19、hrough for another 10 minutes. Heweigh the flask. The weight of residue multiplied by 100 divided by the weight of the sample gives the percent of cresols. Determine the distillation ranee of the cresol ingredient in accordance with Specification VV-L-791, method 100.1.6, Determine the specific grav
20、ity of the residue as that of the cresol ingredient, 4.4.3.4 Acidity of Compound.- Acidity shall be determined by the Electrometric Method with glass electrode by use of the Leeds and Northrup instrument, or equivalent. (The Colorhrtric Method may be used provided satisfactory evidence of the relati
21、onship of the colorimetric reading to the electrometric reading is furnished. 2.4.3.5 Performance Properties of Asueous-Solution.- For thfollowing tests, prepare 5 liters of solution by adding 1 liter of compound to 4 liters of distilled water at 25OC (770F). 4.4.3.5.1 Stabilitp_.- Place 500 ml of t
22、he solution in a beaker, heat to E temperature of 570 to 63 C (135O, to l45OF) and maintain for 4 hours at this temperature. Cool and maintain solution for 24 hours at rom temperature 25OC (PF) and then reheat to 570 to 63OC (W0 to l45OF) and examine for any tendency to foam excessively, to gel, or
23、show any trace of separation or layers. 4.4.3.5.2 Corrosiveness.- Transfer one .liter of the solution to a tall beaker and heat to a temperature of 570 to 63OC (135 to l.459). Maintain this temperature and completely immerse for 1-1/2 hours, one each of 1- tiy 6-inch strips of Specification AN-S-11
24、eteel; Specific tion Specification QQ-A-355 dumnum all.oy anodized in accordance with Specification AN-QQ-A-696 (chromic-acid type); SpecXication QQ-A-355 aluminum-alloy (polished) i and Specification AN“l steel, cadmium-plated in accordance with Specification QQ-p-4l6. hove and rinse and observe fo
25、r any traces of corrosive attack, oxidation, or discoloration of each of the metals. 4.4.3.5.3 Strippinp Properties.- The test panel shell be 0.020 by 3 by 6 inches aluminum-alloy sheet with 3/8-inch hole drilled near one end and shall be numbered e57 q stamping or engraving. The panel shall be.aodi
26、eed in accordance with Spcification 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-554bA 68 W 97779060334657 7 m MLG-5546 (August 1950) “F; - - . - “ AN-QQ-A-696 (chromic-acid type) and finished on one side by.spraying as indicated in table
27、Il. Allow .the panela to air-dry 2 weeks or more before 6tri;ping. Completely inmerse the galnted panel in a beaker contalning 2 litera of solution nt 570 tb 63Or; (135: to 45 F. A eoft bristle brush may be used in the stripping operhtion in order to facilitate th0 removal of the loosened point fini
28、sh. Hecord the time required for complete stripping. Kenove the panels, rinse in water about 25% VoFj, and report any trace of .corrosive attack, oxidrrtio.n, or discoloration of, the metal or anodic coot- m* IAULE Il Priming Coat Product (2 coats; . Dryhe Time Coat Baking Coats Coat Final i3efore B
29、etween Next Time - Time Material Before hterial Bake uter wing Dryhg S57 2 hours 3Q min 30 min Ehmel, 1 hour Primer, Zinc - 15 min Biack MIL-P-6889 36OoF . eqJil amounts of carbon will be used for comparing the compwmd with the cm trol f ornula. 5 PhEPAKWIUN FOR MTJVERY 5.1 Am1ication.- The requirem
30、ents specified herein apply only to di-? ENGINE CWINC (CRESOL BASE) Specification MIL-C5546A Stock number (UsAl or Navy, as applicable) Manufacturer 8 Formula NO. Manufacturers Batch No. Contract or Order Number Quantity Name of Manufacturer Name of Contractor (if different from manufacturer) Soluti
31、on Pwmaretion.- To four volumes of water add one volume of compound in an open, well-ventilated tank, heated bp means of closed steam coils. lank should be provided with a sutable cover. Carbon kemoval and Cleanin and the fact that the Govern- ment may have formulated, fmished, or in ang way eupplie
32、d the said drawinge, specifications, or other data is not to ba regarded by implication or otherwise as in my manner licensing the holder or any other persan or corporation, or conveying any rights or permidon to aranrlfacture, Usei or sell any patented irrventian that rap in any way be related thereto. . United States Government thereby incure no responeibillty Custodian : Navy - Bubr Other interest: Bir Force 9 ./“- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
