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METRIC

MIL-DTL-24441/29B(SH)

27 August 2009

SUPERSEDING

MIL-DTL-24441/29A(SH)

19 May 1999

DETAIL SPECIFICATION SHEET

PAINT, EPOXY-POLYAMIDE, GREEN PRIMER, FORMULA 150, TYPE IV

This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by 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 green epoxy-polyamide paint designated Navy Formula 150, Type IV for interior or exterior use. The paint shall consist of the ingredients specified in the quantities specified.

Component A14/

Ingredients Kilograms Pounds

Thixatrope1/ --- ---

Polyamide2/ 15.88 35.0

Polyamide adduct3/ 136.08 300.0

Titanium dioxide4/ 45.36 100.0

Magnesium silicate5/ 187.79 414.0

Butyl alcohol6/ 114.31 252.0

Copper phthalocyanine blue7/ 0.45 1.0

Yellow iron oxide8/ 9.07 20.0

Component B14/

Ingredients Kilograms Pounds

Magnesium silicate5/ 129.73 286.0

Thixatrope9/ --- ---

Epoxy resin10/ 226.8 500.0

Naphtha11/ 90.72 200.0

Aluminum silicate12/ 68.04 150.0

See footnotes on next page.

AMSC N/A FSC 8010

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 specification.

Component A Component B Mixed components Requirements

Min Max Min Max Min Max

Pigment content, percent (%) 45.0 50.0 35.0 40.0 --- ---

Volatiles, % 29.0 35.0 15.0 20.0 --- ---

Nonvolatile vehicle, % 17.5 23.5 43.0 48.0 --- ---

Water, % --- 1.5 --- 0.5 --- ---

Coarse particles, % --- 0.3 --- 0.3 --- ---

Consistency, grams --- 410 --- 600 --- ---

Kilograms per liter (kg/L) (pounds per gallon (lb/gal))

1.33 (11.1) 1.39 (11.6) 1.28 (10.5) 1.40 (11.5) --- ---

Set to touch, hours

a. at 4.4 °C (40 °F) --- --- --- --- --- 3

b. at 23 °C (73 °F) --- --- --- --- --- 3

Dry-hard, hours

a. at 4.4 °C (40 °F) --- --- --- --- --- 24

b. at 23 °C (73 °F) --- --- --- --- --- 8

Fineness of grind, NS 3 --- 2 --- --- ---

Flash point, °C (°F) 35.6 (96) --- 37.8 (100) --- 35.6 (96) ---

Titanium dioxide, % of pigment 18 --- --- --- --- ---

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 per epoxy vehicle --- --- 175 195 --- ---

Contrast ratio, 3-mil dry film thickness

--- --- --- --- 0.98 ---

VOC, grams per liter (g/L) (lb/gal)

--- --- --- --- --- 340 (2.8)

1/ Thixatrope to be used is the manufacturer’s choice. In the development of component A, 4.54 kilograms

(10 pounds) (5.30 liters (1.4 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 Products Chemical Corp.; EPOTUF SF7791, REICHHOLD Chemical.

3/ Aradur 283, Huntsman Advanced Materials.

4/ Titanium dioxide conforming to ASTM D476, Type IV. In the development of component A, DuPont

Tipure R960 was used.

5/ Nicron 503, Luzenac, Inc.

6/ Butyl alcohol conforming to ASTM D304.

7/ Sunfast Blue NCNF; 248-0615 Sun Chemical Corp.; Monarch Blue G-FR XX-3374 or Irgalite Blue

LGLD, Huntsman Advanced Materials; Cyanine Blue B7000 (352751), BASF Wyandotte Corp.

8/ Yellow Iron Oxide, YO3587, Elementis Pigments or Davis Color Lemon #569.

9/ Thixatrope to be used is the manufacturer’s 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 requirements herein, including shelf life. Thixatrope is a pigment for calculation purposes.

10/ EPON 828, HexionChemical Co.; ARALDITE 6010, Huntsman Advanced Materials; DER 331, Dow Chemical Corp.; EPO-TUF 37-140, REICHHOLD Chemical Corp.

11/ Conforming to ASTMD 3734, Type I. In the development of component B, AMSCO Super High Flash Naphtha was used.

12/ Huber 70C, J.M. Huber Corp.; Satintone #1, Englehard Mineral and Chemical Co.

13/ Use FED-STD-595 color chip number 24272. Color shall approximately match the color chip.

14/ For VOC calculations, component A makes approximately 379 liters (100 gallons) and component B makes approximately 386 liters (102 gallons).

Use of alternate ingredients 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 3.4.1 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 previous issue due to the extent of the changes.

Preparing Activity

Navy – SH (Project 8010-2009-013)

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.

http://assist.daps.dla.mil/