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Simco Coatings Inc.
211 Gunther Ln.
Belle Chasse, LA 70037
Office: 504.393.9455
Toll-Free: 866.95.SIMCO
Fax: 504.433.1406

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Email: sales@simcocoatings.com

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MIL-DTL-24441/20A (SH)

This Epoxy-Polyamide two component lead and chromate free coating is designed to conform the specific composition and performance requirement of Federal Specification MIL-DTL-24441/20A (SH) Formula-150, Type-III and is recommended to be used for painting land and marine structures.

Principle Features:
Excellent rust preventative properties in adverse or chemically polluted atmospheres.
Easy application by airless spray up to 6.0 mils (150 Microns) dry film thickness.
Good adhesion properties on steel, concrete, fiberglass and aluminum where the surface is properly prepared.
Excellent water and weather resistance for interior and exterior use.
Good impact resistance.
Resistance to spill/splash mild chemicals.

Technical Data

Color and Finish: Green, Flat
Mass Density: Approx 11.25 lbs./gal.
Solids by Volume: Approx. 65.0%
VOC: 2.25 lbs./gal. , 270 grm./ltr.
Theoretical Spreading Rate: 1040 sq. Ft. /gal. @ 1 mil
Recommended DFT: 3-4 Mils (75-100 Microns)
Touch dry after: 2 Hrs.
Dry hard after: 6 Hrs.
Max. Interval Before Overcoating: 7 Days
Full Cure after: 7 Days
Temperature Resistance: 250F (121C)
Shelf Life: 12 months
Flash Point: Base 99F (38C)
Hardener 108F (42C)

A two Component material with base and curing agent supplied in 1 and 5 Gallons Containers.
Mix ratio in equal volumes.
Pot Life: 5 Hours At 73 F (23 C)

Recommended Substrate Conditions:
Steel: Blast cleaned to a minimum grade SSPC-SP10 (SA2 ) The surface must be perfectly dry.

Instructions for use:
Power agitate base component to uniform consistency before combining, then again after combining. Do Not vary proportions.

Substrate Temperature:
During application and the first 24 hours of curing, the substrate temperature must be above 41F (5C) and at least 5F ( 3C) above the dew point.

Mixing Instructions:
Ratio: base to hardener 54-46 by weight
          base to hardener 50-50 by volume

The temperature of the mixture of base and hardener during mixing and application should be above 59 F (15C), otherwise more solvents must be used to obtain application viscosity. This results in lower sag resistance and slower cure. Thinner should be added after mixing the components.

Very good mechanical mixing of base and hardener is essential in view of the paste consistency.

Conventional Spray Model Air Cap
DeVilbiss MBC or JGA 704E
Binks #18 or #62 66PE
Fluid hose should by 3/8" I.D. with a maximum length of 50 feet. Pot should always have dual regulation and be kept at same elevation as spray gun.

Airless Spray Model Pump
DeVilbiss JGN-501 QFA-519
Binks Model 500 Mercury 5C
Graco 205-590 Bulldog
Hose should be 3/8" I.D. minimum, but " whip end section may be used for ease of application. A maximum length of 100 feet is suggested. Best results will be obtained using a .018"-.021" tip at 2400-2700 p.s.i.

Thinning Requirement:
Recommended Thinner: MIL-24441 Thinner
Airless Spray: 0-10% by Volume
Conventional Spray: 5-15%% by Volume
Roller And Brush: 0-5% by Volume
Clean-up Thinner: MIL-24441 Thinner

Contains flammable solvents. Keep away from sparks and open flames. Use only grounded explosion proof equipment in accordance with the National Electric Code. Workmen must use nonferrous tools; wear conductive and non-sparking shoes in areas where explosion hazards exits. In confined areas, workmen must wear fresh airline respirators, protective clothing and gloves. Avoid contact with skin, breathing of vapor or spray mist ingestion. Keep out of reach of children.

The technical data listed herein has been compiled for your convenience and guidance, and is based upon our experience and knowledge. However, since we have no control over the use of this information of this product, no warranty expressed or implied, is intended or given. Simco Coatings, Inc. assumes no responsibility whatsoever for coverage, performance, or any other damages, including injuries resulting from use of this information or of products recommended herein.

Copyright 2001-2012 Simco Coatings Inc. All rights reserved.