1、 METRIC MIL-DTL-24441/36B(SH) 27 August 2009 SUPERSEDING MIL-DTL-24441/36A(SH) 19 May 1999 DETAIL SPECIFICATION SHEET PAINT, EPOXY-POLYAMIDE, NO. 50 GRAY, FORMULA 157, TYPE IV This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by
2、 all 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 No. 50 gray epoxy-polyamide paint designated Navy Formula 157, Type IV for interior or ext
3、erior use. The paint shall consist of the ingredients specified in the quantities specified. Component A12/Ingredients Kilograms Pounds Thixatrope1/ - - Polyamide2/ 16.33 36.0 Polyamide adduct3/ 140.16 309.0 Titanium dioxide4/226.80 500.0 Black iron oxide5/2.72 6.0 Butyl alcohol6/117.03 258.0 Compon
4、ent B12/Ingredients Kilograms Pounds Thixatrope7/- - Epoxy resin8/232.6 515.0 Magnesium silicate9/ 176.90 390.0 Naphtha10/ 94.35 208.0 See footnotes on last page. AMSC N/A FSC 8010 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24441/36B(SH)
5、 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 performed in accordance with the general
6、specification. Component A Component B Mixed components Requirements Min Max Min Max Min Max Pigment content, percent (%) 43.0 48.0 33.0 38.0 - - Volatiles, % 29.0 35.0 16.0 21.0 - - Nonvolatile vehicle, % 17.5 23.5 44.0 49.0 - - Water, % - 1.5 - 0.5 - - Coarse particles, % - 0.3 - 0.3 - - Consisten
7、cy, grams - 190 - 470 - - Kilograms per liter (kg/L) (pounds per gallon (lb/gal) 1.32 (11.0) 1.44 (12.0) 1.29 (10.8) 1.35 (11.3) - - Set to touch, hours a. at 4.4 C (40 F) - - - - - 3 b. at 23 C (73 F) - - - - - 3 Dry-hard, hours a. at 4.4C (40F) - - - - - 24 b. at 23C (73F) - - - - - 8 Fineness of
8、grind, NS 4 - 4 - - - Flash point, C (F) 35.6 (96) - 37.8 (100) - 35.6 (96) - Titanium dioxide, % of pigment 14 - - - - - Pot life, hours at 23 C (73 F) - - - - 4 - Sag resistance, micrometers (mils) - - - - 300 (12) - Color of dry film to approximate the standard color chip - - - - Conform Weight p
9、er epoxy vehicle - - 175 195 - - Contrast ratio, 3-mil dry film thickness - - - - 0.98 - Gloss, 60 degree specular, % - - - - 20 60 VOC, grams per liter (g/L) (lb/gal) - - - - - 340 (2.8) 1/Thixatrope to be used is the manufacturers choice. In the development of component A, 6.80 kilograms (15 pound
10、s) (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, Cognis Corp.; ANCAMIDE 507, Air Pro
11、ducts Chemical Corp.; EPOTUF SF7791, REICHHOLD Chemical. 3/Aradur 283, Huntsman Advanced Materials. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24441/36B(SH) 3 4/Titanium dioxide conforming to ASTM D476, Type IV. In the development of c
12、omponent A, DuPont Tipure R960 was used.5/Black Iron Oxide Bk-5599, Elementis Pigments; Bayferrox Iron Oxide Black 318M, Lanxess Pigments.6/Butyl alcohol conforming to ASTM D304.7/ Thixatrope to be used is the manufacturers choice. In the development of component B, 6.80 kilograms (15 pounds) (6.81
13、liters (1.8 gallons) of Disparlon 6500 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.8/ EPON 828, Hexion Chemical Co.; ARALDITE 6010, Huntsman Adv
14、anced Materials; DER 331, Dow Chemical Corp.; EPO-TUF 37-140, REICHHOLD Chemical Corp.9/ Nicron 503, Luzenac, Inc.10/ Conforming to ASTM D3734, Type I. In the development of component B, AMSCO Super High Flash Naphtha was used.11/ Use FED-STD-595 color chip number 26622. Color shall approximately ma
15、tch the color chip.12/ For VOC calculations, component A makes approximately 383 liters (101 gallons) and component B makes approximately 383 liters (101 gallons).Use of alternate ingredients in this formula must have prior approval of the Naval Sea Systems Command. Approval will be based on review
16、of data demonstrating equivalent physical, chemical and performance characteristics of paint manufactured with the proposed alternate material and the requirements as specified in 3.4.1 of MIL-DTL-24441. Paint incorporating the proposed alternate ingredient shall conform to all the requirements of t
17、his 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 previous issue due to the extent of the changes. Preparing Activity Navy SH (Project 8010-2009-020) NOTE: The activiti
18、es 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-,-,-
