Epoxy stainless steel coatings

Epoxy stainless steel coatings

Epoxy System

The STEEL-IT Epoxy Coating System utilizes a unique stainless steel leafing pigment. This catalyzed system creates a hard, non-toxic, metallic finish that safeguards a wide variety of materials from the effects of ultraviolet rays, chemicals, oils, alkalis, food acids, water immersion, abrasion, and high-pressure washdowns.

Consisting of STEEL-IT Epoxy Coating #4907 applied over lead-free STEEL-IT Epoxy Primer #4210, the system adheres aggressively to metal surfaces. Although designed primarily for the protection of ferrous metals, the coating may be applied directly to non-metallics such as wood, tile, glass, masonry, porcelain, plaster, fiberglass, masonite, and many other non-porous surfaces.

USDA-approved for use in food processing and handling industry where incidental food contact may occur, STEEL-IT Epoxy Coating #4907 is a two-part polyamide epoxy composition that incorporates a #316L stainless steel leafing pigment to create a durable, non-toxic metallic finish. STEEL-IT Epoxy Primer #4210 is also a two-part polyamide epoxy featuring the stainless steel leafing pigment. The two parts of each coating mix in ratios of 1:1. Available in quart and gallon kits. May be applied by brush, roller, or spray gun. Conventional or airless spraying is the preferred method.

  • Protects Steel from:
      • Impact and abrasion
      • Mild and strong alkalies
      • Solvents and chemical spillage
      • Moisture (fresh and salt)
  • System Recommendations:
      • 1 coat - STEEL-IT Lead Free Epoxy Primer #4210
      • 2 coats - STEEL-IT Epoxy Coating #4907
  • Surface Preparation:
      • General use - Sandblast to an SSPC-SP-6 (commercial) or an SSPC-SP-10 (near white) blast quality.
      • Immersion or Chemical Exposure - Sandblast to an SSPC-SP-5 (white) blast quality.
      • Anchor Pattern - cut and angular 1.5 - 2.5 mils deep.
  • Film Thickness:
      • Atmospheric Service and Light Chemical Exposure - 3 dry mils primer and 3 dry mils of finish.
      • Immersion and heavy-duty chemical exposure - 3 dry mils of primer and 2 coats of finish (3 dry mils each).
  • Mixing:
    • Thoroughly agitate each part separately, then blend one to one by volume (Part A and Part B). Allow 30 - 45 minutes induction time. Re-agitate and strain through filter before use.

  • Pot Life:
    • 6 - 8 hours

  • Application:
      • For spray application use a DeVilbiss JGA and MBC gun with a 705FF Air-cap/Fluid Tip Combination.
      • For airless application use a 28:1 pump (minimum) with a DeVilbiss JGB-501 Gun. Fluid Tip Orifice of .015 - .021 is recommended. May also be applied by brush or roller.
  • Dry Time:
    • Dry to touch in 2 hours. Allow 12 hours between coats. Subsequent coats will be tack free to handle in 24 hours. Light service in 36 hours. For complete cure (full protection and hardness) allow 6-7 days. Lower temperatures delay curing time

  • Coverage:
      • Theoretical coverage, Epoxy Primer #4210: 250-275 sq. ft. per gallon at 3 mils DFT (dry film thickness).
      • Theoretical coverage, Epoxy Finish #4907: 200 sq. ft. per gallon at 3 mils DFT (dry film thickness).

      In practice, these values can be reduced by at least 25% by loss factors.

  • Thinning and Clean Up:
      • Thinning is not recommended- thin only when required, using STEEL-IT #6811 Epoxy Reducer or small amounts of aromatic, glycol ether based solvents.
      • Clean-Up with aromatic, glycol ether, ketones or mixtures of the same.
  • Limitations:
      • Apply only when surface and ambient temperatures are above 50° F.
      • Relative humidity must be less than 86%.
      • Surface temperature must be at least 5° F above the dew point.
      • Recommended for surfaces where the operating temperatures will not exceed 200° F.

STEEL-IT
Epoxy Primer #4210


Color: Gray | Sheen: Low Gloss

Total Solids:
By weight: 60% | By volume: 50%

Viscosity K.U.:70-75
Weight per Gallon: 10.6 lbs.
Shelf Life: (Unmixed Components) 1 year

STEEL-IT
Epoxy Finish #4907


Color: Metallic | Sheen: Satin

Total Solids:
By weight: 50% | By volume: 36%

Viscosity K.U.:80
Weight per Gallon: 9.5 lbs.
Shelf Life: (Unmixed Components) 1 year

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In industrial refrigeration applications where our equipment faces temperature cycling ranging from 280°F down to -20°F we haven’t found a better coating system than STEEL-IT.
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