1、qiTG-z+ MIL-C-18LI8OB 80 7777706 OLOZL182 O W MILlC-18480B i 28 May 1982 SUPERSEDING MIL-C-l8480A(M) 4 October 1961 . MILITARY SPECIFICATION COATING COMPOUND, BITUMINOUS, SOLVENT, COAL-TAR BASE This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SC
2、OPE AND CLASSIFICATION 1.1 Scope. This specification covers a cold-applied coal-tar base coating compound for use on steel structures under conditions where it is not feasible to use a hot-applied coal-tar enamel. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and
3、 handbooks. Unless oherwise specified, the following- specifications, standards, and handbooks of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the solicitation, form a part of this specification to the extent specified herein
4、. SPECIFICATION FEDERAL PPP-P-1892 - Paint, Varnish,.Lacquer, and Related Materials; Packaging, Packing, and Marking of. STANDARDS FEDERAL . FED. TEST METHOD STD. No. 141 - Paint, Varnish, Lacquer, and Related Materials; Methods of Inspection, Sampling, and Testing. FED-STD-313 - Material Safety Dta
5、 Sheets, Preparation and the Submission of. Beneficial comments (recommendations, additions, deletions) and any.pertinent data which may be of use in improving this document should be addressed to: Commanding Officer (Code 1561, Naval Construction Battalion Center, Port Hueneme, CA 93043, by using t
6、he self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. pxE-mq THIS DOCUMENT CONTAINS PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-18480B (Copies of specificat
7、ions, standards, handbooks, drawings, and publications required by manufacturers in connection with specffic acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.1.2 Other Government documents, drawings, and publications. The following
8、-other Government documents form a part of this specification to the extent specified herein. Laws and Regulations e 29 CFR 1900-1999 - Occupational Safety and Health Administration (OSHA), Department of Labor. (The Code of Federal Regulations (CFR) and the Federal Register (FR) are for sale on a su
9、bscription basis by the Superintendent of Documents, US Government Printing Office, Washington, DC 20402, When indicated, reprints of certain regulations may be obtained from the Federal agency responsible for issuance thereof . ) 2.2 Other publications, The following documents form a part of this s
10、pecification to the extent specified herein. which are indicated as DoD-adopted shall be the issue listed in the current DODISS and the supplenent thereto, if applicable. The issues of the documents AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D20 - Distillation of Road Tars. D36 D92 D128 - Ana
11、lysis of Lubricating Grease. D453 - Tar Acids in Creosote-Coal Tar Solutions. - Softening Point of Bitumen (Ring-and-Ball Apparatus). - Flash and Fire Points by Cleveland Open Cup. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philad
12、elphia, PA 19103.) (Industry association specifications and standards are generally available for reference from libraries, groups and using Federal agencies.) They are also distributed among technical . 2,3 -Order of precedence. In the event of a conflict between the text of this specification and
13、the references cited herein, the text of this specification shall take precedence, 3, REQUIREMENTS 3.1 Material. The compound shall be a homogeneous mixture composed only of a coke-oven coal-tar pitch, solvents, and inert non-water-absorbent mineral filler. The compound shall not contain asphalt or
14、asbestos. 3.1.1 Solvent composition, When specified, the compound shall conform to applicable air quality control regulations as specified (see 6.2). 3.2 Requirements . The compounb. shall .conform , to the requirements given in .+P.“? table XI Provided by IHSNot for ResaleNo reproduction or network
15、ing permitted without license from IHS-,-,-MIL-C-L4OB BO W 7777906 OL0248Li 4 MIL-Cj18480B TABLE I. Requirements. I Characteristics ASTM/FTMS 141 I 1Flash point, oc I 35 . I- I I I l I I I I Property Min Max Test Method Test paragraph I D92 IDis tillat ion, I 15 30 I I 235oc, wt % 1 I 1 I I I Penetr
16、aton of 15 25 I I distillation I I I residue, mm I I I I I I Softening point of I 96 I distillation 115.5 I I residue, OC I Ash content- ci f I compound, wt % ITar acids of I compound, 1 mi/ig I- I Workability I I 1 I I -I . I Sag I 24 hours .- I Drying 1 6 hours I IAdhesion and. I protection: * I .
17、-. I I I Resistance to I impact I I I I I I I IResistance to I I I I I I 15 30 I . O. 6 I I Satisfactory I working and I spreading I I No sag or flow I while wet I I I Set-to-touch I Dry-to-recoat I I i I I I I I I I I I i 1 I I I I 1 I I I I I I I I I I I I I 1 I I I I I I I Shall not loosen, I che
18、ck, crack, I peel; -run, sag, - I or otherwise I lose protection I value I I No visible chip- I ping, cracking, I or detachment I from plate, and I firm adhesion 1 outside radius of1 1/4 inch from I center of impact I I I No evidence of I D 20 D5, 235OC residue sample D36, 235OC residue sample D128,
19、 rapid routine method D453, distilla- tion to 3000C . . 4061, doctor- blade applica- tion at 120 f t2/gaiion . . . I I I I I I I I I 1 I I I I I I I I I I I I I I I I I I I I I I I I I 1 I I I I I I I I I I I 4.3.1.1 4.3.1.1 4.3.1.1 4.3.1.1 4.3.1.1 4.3.1.1 4.3.1.2 4.3.1.3 4.3.1.1 4.3.1.4 4.3.1.5 4.3
20、.1.6 I I I I I I I I I I I I I I I I I I I I I I I 1 I I 1 I I I I I 1 I I I I I 1 I I OI I I alkali I disintegration I I I 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-18480B 4.3 Quality conformance inspection. Quality assurance shall be
21、provided in accordance with method 1031 of Fed. Test Method Std. No. 141. Failure of the coating compound to pass any test shall be cause for rejection of the lot. I l I 4.3.1.1 Requirements. Test the properties cited by the methods specified l in table i. 4,3.1 Tests. - _- 3.3 Toxicity. The compoun
22、d shall have no ad-verse effect on the health of personnel when used for its intended purpose. effect shall be referred by the acquiring activity to the appropriate medical service who will act as adviser to the acquiring activity. instructions shall provide personnel protection to meet OSHA require
23、ments, including 29 CFR 1910.1000, and 1910.1002, as applicable. Material Safety Data Sheets (MSDS) shall be prepared in accordance with FED-STD-313, and submitted, as directed in the contract or order, at the time of acquisition award, Of the using activity if different (see 6.2 and 6.3). Questions
24、 pertinent to this The manufacturers Copies shall be forwarded to the designated Industrial Hygienist and the focal point: of the activity that purchased the item, and the focal point 4, QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or pur
25、chase order, the contractor is responsible for the performance Of ail inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements speci
26、fied herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Classification of inspections. The
27、 inspection requirements specified herein are classified as follows: a. b. Quality conformance inspection (see 4.3) Packaging inspection (see 4.4) 4.3.1.2 Workability. Test thecoating compound, applied cold, for firm adherence to bare steel, primer (if used), and itself. At 25 +20 Celsius (CI, the c
28、oating shall permit easy application by brush or spray, -in two successive coats, to a minimum dry film thickness of 30 52 mils. 7 22OC, the coating shall permit easy brush application. At 4e3e1.3 Sag, compound to a clean, smooth 12 by 12 by 1/8-inch thick steel plate, to a uniform wet film thicknes
29、s of 30 +2 mils. suspend the panel in a vertical psition at application conditions for At 23 floc and 50 24 percent relative humidity, apply the Immediately after application, 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L4OB 0 m 7797706 0
30、3024b m MIL-C-18480B 24 hours. second plate as described, except to a uniformwet film thickness of 15 +1 mils. Immediately after application, suspend the panel in a vertical posytion at 71 22oC for 1 hour. while wet. Then examine for-evidence of- sag or flow while wet. Prpare a Then examine for evid
31、ence of sag or flow 4.3.1.4 Adhesion and protection. Expose the coated panel, tested at 23% in 4.2.1.3, to 60 +2OC for 16 hours. temperature 1 hour, then expose to -23 22OC for 4 hours. coating for conformance to table I. Allow the panel to cool at room Examine the 4.3.1.5 Resistance to impact. Appl
32、y the compound to two wire-brushed, solvent-cleaned, mild steel plates, each 6 by 6 by 1/8-inch thick, to a uniform dry film thickness of 30 - +2 mils. Dry 72 hours at room temperature, then test each plate separately, while being held firmly, coated side up, on a solid horizontal base. Drop a 2-pou
33、nd steel ball from a height of 8 feet so that the impact,will be at the center of the plate. Examine the coating for conformance to table I. 4.3.1.6 Resistance,to alkali. Apply the compound to a clean glass panel Dry the panel at 23 ZlOC for After 30 hours, at a uniform dry film thickness of 30 t2 m
34、ils. 24 hours, then suspend vertically in 5 percent sodium hydroxide, maintained at 23 +l0C, so that one-half of the coating is immersed. lightly rub the film with a well-rounded glass rod and examine for evidence of disintegration. 4.4 Packaging inspection. The inspection of the packaging, packing,
35、 and marking shall be in accordance with the requirements of section 4 of PPP-P-1892. 5. PACKAGING 5.1 Packaging, packing, and marking. The compound shall be packaged, packed, and marked in accordance with PPP-P-1892. The level of packaging shall be A, B, or C and the level of packing shall be A, B,
36、 or C as specified (see 6.2). The compound shall be furnished in 5-gallon pails with lug cover or in. 55-gallon drums with full removable cover, as specified (see 6.2). 6. NOTES 6.1 Intended use. The compound is intended for use on steel structures as The compound necessary to substitute for hot-app
37、lied coal-tar enamel coating. is used also as a protective coating for dissimilar metals in contact, as an electrical insulating coating, and on fiberglass lagging for waterproofing. It is appropriate for contact with alkaline soils, and may be used on underwater marine structures. thickness of 20 t
38、o 40 mils. Material to be exposed to sunlight or weather should be top-coated with MIL-C-15203 coal-tar emulsion. Generally two coats are used, to a dried film 5 - . ,A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-9999906 OL02Y7 T MIL-C-18480B 1 6
39、.2 Ordering data, Acquisition documents should specify the following: a. Title, number, and date of this specification. bo C. Addresses for submission of MSDS (see 3.3 and 6.3). d. e, Applicable air quality control regulations, when specified (see 31.1). Level of packaging and level of packing requi
40、red (see 5.1). Size of container required (see 5.1) e 6.3 MSDS submission and forwarding. After review and acceptance of MSDS by designated recipients, approved copies will be forwarded to arrive at destinations prior to material delivery (see 3 3) Custodians : Preparing activity: Amy - MR Navy - YD Air Force - 99 Review activities: Navy - YD Project No. 8030-0490 Army - CE Navy - SH *U$. GOVERNMENT PRWIWG OFFICE: 1982-505-022/3028 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
