1、 METRIC MIL-DTL-24441/21B(SH) 27 August 2009 SUPERSEDING MIL-DTL-24441/21A(SH) 19 May 1999 DETAIL SPECIFICATION SHEET PAINT, EPOXY-POLYAMIDE, HAZE GRAY FORMULA 151, TYPE III This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by a
2、ll Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-24441. FORMULA: This formula covers haze gray epoxy-polyamide paint designated Navy Formula 151, Type III for interior or exteri
3、or use. The paint shall consist of the ingredients specified in the quantities specified. Component A12/Ingredients Kilograms Pounds Thixatrope1/ - - Polyamide2/ 9.53 21.0 Polyamide adduct3/ 134.72 297.0 Magnesium silicate4/180.53 398.0 Titanium dioxide5/ 48.08 106.0 Black iron oxide6/ 7.26 16.0 But
4、yl alcohol7/118.39 261.0 Component B12/Ingredients Kilograms Pounds Thixatrope8/ - - Epoxy resin9/240.41 530.0 Magnesium silicate4/ 120.2 265.0 Naphtha10/ 100.25 221.0 See footnotes on next page. AMSC N/A FSC 8010 Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
5、rom IHS-,-,-MIL-DTL-24441/21B(SH) QUANTITATIVE REQUIREMENTS: The paint shall meet the following quantitative requirements and the qualitative requirements of section 3 of the general specification. The components A and B shall be mixed 1:1 by volume for mixed component tests. Tests shall be performe
6、d in accordance with the general specification. Component A Component B Mixed components Requirements Min Max Min Max Min Max Pigment content, percent (%) 46.0 50.0 24.8 28.8 - - Volatiles, % 28.1 32.1 19.6 23.6 - - Nonvolatile vehicle, % 19.9 23.9 49.6 53.6 - - Water, % - 1.5 - 0.5 - - Coarse parti
7、cles, % - 0.3 - 0.3 - - Consistency, grams - 460 - 275 - - Kilograms per liter (kg/L) (pounds per gallon (lb/gal) 1.31 (10.9) 1.35 (11.3) 1.20 (10.0) 1.32 (11.0) - - Set to touch, hours a. at 4.4 C (40 F) - - - - - 2 b. at 23 C (73 F) - - - - - 2 Dry-hard, hours a. at 4.4 C (40 F) - - - - - 24 b. at
8、 23 C (73 F) - - - - - 6 Fineness of grind, NS 5 - 5 - - - Flash point, C (F) 35.6 (96) - 37.8 (100) - 35.6 (96) - Titanium dioxide, % of pigment 20 - - - - - Pot life, hours at 23 C (73 F) - - - 5 - Sag resistance, micrometers (mils) - - - - 225 (9) - Color of dry film to approximate the standard c
9、olor chip - - - - Conform Weight per epoxy, vehicle - - 175 195 - - Contrast ratio, 3-mil dry film thickness - - - - 0.98 - Gloss, 60 degree specular, % - - - - - 30 VOC, grams per liter (g/L) (lb/gal) - - - - - 340 (2.8) 1/Thixatrope to be used is the manufacturers choice. In the development of com
10、ponent A, 6.80 kilograms (15 pounds) (7.95 liters (2.1 gallons) of Disparlon NS-30 made by King Industries were used. Manufacturer is responsible for choosing a thixatrope that meets all the requirements herein, including shelf life. Thixatrope is a pigment for calculation purposes. 2/GENAMID 2000,
11、Cognis Corp.; ANCAMIDE 507, Air Products and Chemical Corp.; EPOTUF SF7791, REICHHOLD Chemical. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24441/21B(SH) 3 3/VERSAMID 280B75, Cognis Corp.; ANCAMIDE 700B75, Air Products and Chemical Corp
12、.; EPOTUF SF7792, REICHHOLD Chemical. 4/Nicron 503, Luzenac, Inc. 5/Titanium dioxide conforming to ASTM D476, Type IV. In the development of component A, DuPont Tipure R960 was used. 6/Black Iron Oxide Bk-5599, Elementis Pigments; Bayferrox Iron Oxide Black 318M, Lanxess Pigments 7/Butyl alcohol con
13、forming to ASTM D304. 8/Thixatrope to be used is the manufacturers choice. In the development of component B, 6.80 kilograms (15 pounds) (6.81 liters (1.8 gallons) of Disparlon 6500 made by King Industries were used. Manufacturer is responsible for choosing a thixatrope that meets all the requiremen
14、ts herein, including shelf life. Thixatrope is a pigment for calculation purposes. 9/EPON 828, HexionChemical Co.; ARALDITE 6010, Huntsman Advanced Materials; DER 331, Dow Chemical Corp.; EPO-TUF 37-140, REICHHOLD Chemical Corp. 10/Conforming to ASTM D3734, Type I. In the development of component B,
15、 AMSCO Super High Flash Naphtha was used. 11/Use FED-STD-595 color chip number 26270. Color shall approximately match the color chip. 12/For VOC calculations, component A makes approximately 379 liters (100 gallons) and component B makes approximately 386 liters (102 gallons). Use of alternate ingre
16、dients in this formula must have prior approval of the Naval Sea Systems Command. Approval will be based on review of data demonstrating equivalent physical, chemical, and performance characteristics of paint manufactured with the proposed alternate material and the requirements as specified in 3.4.
17、1 of MIL-DTL-24441. Paint incorporating the proposed alternate ingredient shall conform to all the requirements of this military specification sheet and the general specification. CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes with respect to the pr
18、evious issue due to the extent of the changes. Preparing Activity Navy SH (Project 8010-2009-005) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
