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Industrial E-Coating Service

At Winchester Coatings, Inc. we specialize in providing environmentally friendly industrial "E-Coating" services for a wide range of applications. We're an agile family owned business that provides personalized customer service; our knowledgeable staff will work with you to develop a custom coating solution that fits your requirements. We specialize in zinc phosphate, and cathodic epoxy coatings applied, with an approved phosphate.

Our E-Coat capabilities feature an immersion method that is able to penetrate into the most intricate features. This capability is supported by two automated E-Coat lines, that allows us to provide truly versatile production capabilities. From stainless, hot and cold rolled steel, to zinc, aluminum, galvanized and galvanealed substrates. E-Coat offers enhanced corrosion resistance, durability, cosmetic appeal, even coverage and is excellent as a primer base.

From very small intricate components to parts as large as 72" x 45" x 24", E-Coat applications are evenly distributed, with high throw power, superior edge and internal cavity coverage. These diverse characteristics and customizable production lines can deliver the coating solution that is tailored to your needs and schedule.

At WCI, we take quality seriously; everything that we coat is subject to stringent quality measures. We offer a wide variety of system and product testing, as well as a long list of additional services such as assembly and JIT deliveries, just to name a few.

To learn more about all of our capabilities, see the table below or contact us directly.

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Industrial Coating Capabilities

General Capabilities Cathodic Electrocoating
Large Components
Small Components
Coating Zinc Phosphate
Cathodic Epoxy
Substrate Hot Rolled Steel
Cold Rolled Steel
Stainless Steel
Cast Iron
Coating Characteristics Corrosion Resistant
Cosmetic Appeal
Primer Base
Evenly Distributed
Edge Coverage
High Throw Power
Internal Cavity Coverage
Pre-Coating Preparation Temperature
R/O Rinse
Phosphate Application
Stages 12 on MSI machine (8 pre-treat stages)
14 on TTX Machine ( 10 pre-treat stages)
Automated Process Cleaning
  1. Immersion Degreaser
  2. Impingement Spray
  3. Immersion Cleaner
  4. Degrease Water Rinse
Phosphate Application
  1. Rinse Conditioner
  2. Zinc Phosphate Coating
  3. Water Rinse
  4. Non-Chrome Sealer
  5. R.O. Rinse
  6. R.O. Rinse
E-Coat Application
  1. Electro-Coat Bath
  2. Immersion Rinse
  3. Impingement Spray Rinse
  4. Immersion Rinse
  • 4 Stage Drip Cycle
  • Cure Oven (45 Min.)
  • Cool Down Cycle
  • Takeoff
Application Process Immersion and Impingement Spray
Temperature Up to 400*F
Coating Thickness 10 to 40 Microns
Part Length Up to 72"
Part Width Up to 24"
Part Height Up to 45"
Inspection 100%
Testing/Quality System Testing
  • Salt Spray
  • Water Break
  • Paint Level
  • % Solids
  • P/B Ratio
  • pH
  • Conductivity
  • Ion Concentration
  • Throw Power
  • Voltage Sub
  • Phosphate Metals
  • Oven Pack
  • Oil Concentration
  • Phosphate Morphology
  • Crystal Size
  • Phosphate Coatings Weight
Product Testing
  • Film Build
  • Cure
  • Solvent Rub
  • Adhesion Cross Hatch)
  • Salt Spray
  • Pencil Hardness
  • Air Pocket Cut Check
  • Phosphate Morphology
  • Crystal Size
  • Phosphate Coatings Weight
Additional Services Assembly / Value Added
Special Packaging
Service Parts
Pick-Up and Delivery
EDI Capabilities
Drop Shipments
Rack Design
Rack Maintenance
Pick and Pack
Product Improvement (In-House) Chemical Strip
Approved Touch Up
Media Blast
Burn Off Oven (Rack Maintenance)
Product Volume Small to Large runs
Typical Lead Time J.I.T. (Just In Time)
Up to 5 Days
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Additional Information

Industry Focus Automotive
Office Furniture
Crane Parts
Farm Equipment
Lighting Industry
Solar Industry
Industrial Security
Aero Space Industry
Aircraft Industry
Applications Stampings
Rolled Parts
Milled Parts
Forged Parts
Cast Products
Sub Assembly
Industry Standards ISO 9001:2008
Affiliations Electrocoat Association
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