1、MIL-C-10578D AMENDMENT 3 16 -November 1988 SUPERSEDING AMENDMENT 2 28 August 1987 MILITARY SPECIFICATION CORROSION REMOVING AND METAL CONDITIONING COMPOUND (PHOSPHORIC ACID BASE) - _m. - This amendment forms a part of Military Specification MIL-C-l0578D, dated 28-February 1982, and is approved by al
2、l Departments and Agencies of the Department of Defense PAGE 1 Paragraph 1.2, add - “type VI - Brush, spray or dip“ PAGE 2 Paragraph 2.2 - add the following: ASTM B117 - Salt Spray (Fog) Testing ASTM B287 - Acetic Acid - Salt Spray (Fog) Testing ASTM D1654 - Standard Evaluation of Painted or Coated
3、Specimens Subjected to Corrosive Environments PAGE 3 Delete table I and substitute the following: TABLE I Test Requirement Type I Type II Type III Type IV Type V Type VI paragraph Phosphoric 68 min 20-25 49 min. . 68 min 68 min 68 min 4.3.1 acid content, . min gms/100 ml Flash point, 4.3.2 OF, min 1
4、35 135 135 135 135 135 OC, min 57 57 57 57 57 57 Appearance Clear, free from cloudiness, sediment and sludge 4.3.3 L AMSC N/A FSC 6850 DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited. THIS DOCUMENT CONTAINS 4 PAGES. I .- I -. Provided by IHSNot for ResaleNo reproduction
5、or networking permitted without license from IHS-,-,-.z - “ MIL-C-IO578D (3) 68 U 9799706 0335550 I W 1 MIL-C-10578D PAGE 4 Delete table II and substitute the following: TABLE II Mater ia1 Type IA/ Type IIL/ Type II d/ Type IVLY .EX -L/ Phosphoric Acid 118 ml 35 ml 85 ml 118 ml 118 ml 125 ml (85%) D
6、e tergen tg/ 5 ml 5 ml “ “ 5 ml 7.5 ml Diethyl thiourea “ “ 0.50 gms “ “ Butyl cellosolve 40 ml 62.5 ml “ 40 ml “ 7.5 ml Nacconol 90F “ “ 2.00 gms Pluronic L62 “ “ “ 5 ml “ (see 6.4) Pluronic L64 “ “ (see 6.4) “ “ “ “ “ “ 5 ml “ “ - l/Water, sufficient to bring total volume to 250 ml, shall be added
7、. - 2/This formula should be aged 3 weeks before using, or diluted, when first prepared, to 1,000 ml for use without further dilution. alkyl phenols. Paragraph 3.3.2, line 1 - delete “and IV“ and substitute “IV and VI.“ . - 3/Triton X-100, ethoxylated primary or secondary alcohols, or straight-chain
8、 PAGE 5 Paragraph 3.3.3, line 3 - delete, “Type III“ and substitute “Types III and VI.“ line 5 - delete “Type “III“ and substitute “Types III and VI.“ Paragraph 3.3.4, line 1 - delete “and V only“ and substitute “V and VI only.“ Paragraph 3.3.5, line 1 - delete “only“ and substitute “and VI only.“ A
9、dd the following paragraph: “3.4 Painted surface corrosion resistance. The compound shall condition the metals listed in paragraph 4.3.8 to resist corrosive environments at least as well as the respective comparison formula listed in table II (see paragraph 4.3.10).“ PAGE 6 Paragraph 4.3.4, line 2 -
10、 delete “IV and V“ and substitute “IV, V and VI.“ PAGE 7 Paragraph 4.3.6, line 1 - delete “and IV only“ and substitute “IV and VI only.“ Paragraph 4.3.7.2, line 1 - after “Type III“ add “and VI.“ Paragraph 4.3.8, line 1 - delete “and V only“ and substitute “V and VI only. “ 2 #- 1 -. Provided by IHS
11、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-* MIL-C-10578D ,r PAGE 8 Paragraph 4.3.9, line 1 - delete “only“ and substitute “and VI only.“ Add the following paragraph: “4.3.10 Corrosive environment resistance test. Four sets of panels, each set consisting of th
12、e four metals listed in-paragraph 4.3.8, shall be prepared for testing. Two sets of panels shall be cleaned, conditioned, painted and scribed for testing by cleaning and cond-i-tioning-with the test material, and -two-.sets shall be- cleaned, conditioned, painted and scribed for testing by cleaning
13、and 6nditioning wikh the appropriate comparison formula of table II. One set, conditioned before painting with the comparison formula, shall be tested together for 72 hours in accordance with ASTM B117, Salt Spray (Fog) Testing. The other two sets, subjected to the same conditioning as the first two
14、 sets, shall be tested together for 72 hours in accordance with ASTM B287, Acetic Acid-Salt Spray (Fog) Testing. Conditioning shall be in accordance . with Directions for Use as required by paragraph 5.3.1. Scribing in a single straight line and evaluation ratings shall be in accordance with ASTM D1
15、654. All panels shall be painted with the same metal paint formula and by the same method of application. Any panel conditioned with the test material that shows a lower rating than the panel of the same metal conditioned with the comparison formula shall fail this test.“ Paragraph 5.1.1, - delete t
16、his paragraph and substitute the following: /- / “ L. “. “5.1.1 Level A. Except for type VI, the compound shall be furnished in 1-gallon or 2-gallon. polyethylene plastic bottles conforming to MIL-B-26701 or a 5-gallon or 15-gallon polyethylene plastic drums conforming to style B of MIL-D-40030. Unl
17、ess otherwise specified, type VI shall be furnished in 5-gallon polyethylene plastic drums conforming to style B of MIL-D-40030 (see 6.2) .“ PAGE 9 Under “Directions for Use“ add the following: “Type VI (brush, spray or dip) material. Utilize the applicable procedure: a. Newly sandblasted steel. Bru
18、sh or spray the material over the surface of the steel. (A paint brush or any sprayer that will accommodate acid type materiai may be used.) Allow the material to dry thoroughly. After a minimum of six hours rinse the unreacted material for at least 30 seconds with running clean water. Let it dry. A
19、pply primer paint. .* b. Corroded ferrous metal. Remove old grease, dirt and oil by scrubbing with an alkaline cleaner or emulsifiable degreaser, Flush with running clean water and rinse for at least 30 seconds with running clean water. Brush thoroughly with a wire brush to remove any loose corrosio
20、n products and rinse for at least -30 seconds with running clean water. Brush or spray the material over the surface of the metal. Allow the material to dry. After a minimum of six hours rinse the unreacted material for at least 30 seconds with running clean water. Let it dry. Apply the paint primer
21、. -_cc_ 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-10578D PAGE 10 c. Rust and scale on parts. Remove dirt, grease and oil with alkaline cleaner or emulsifiable degreaser. Flush with running clean water and rinse for at least 30 seconds.
22、Soak cleaned part in the.materia1 for 1-5 hours. Remove from the bath and air dry thoroughly. After a minimum of six hours rinse the unreacted material for at least 30 “ - seconds with running clean water. Let it dry. Apply primer coat of paint as usual. If the part does not require painting, apply
23、an oil film to the surface.“ Paragraph 6.11 - add the following: “Type VI material is suitable for the treatment of corrosion on ferrous metals by using the brushing, spraying or dipping technique. The material reacts with the metal surface. After a minimum of six hours rinse the unreacted material
24、for at .least 30 seconds with running clean water.“ Custodians: Army - MR Navy - AS .Air Force - 68 -. Review activities: Army - GLI MII AR, ME Navy - SAI SH Air Force - 11 DLA - GS User activities: Army - AT, ER Navy - MC, OS (WP# ID-2070A/DISC-O009A. FOR MTL USE ONLY) 4 , I Preparing activity: Army - M Project 6850-1039 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
