Tecoats Electroplaters LLP

Non-Ferrous Material – Aluminium Alloys

Industrial-grade sulphuric acid anodizing, chemical conversion coatings, and specialized surface treatments for aerospace, automotive, and manufacturing applications.

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Services ⇨ Anodizing

Our Anodizing Services

High-quality anodizing processes tailored for durability and aesthetics

Sulphuric Acid Anodizing

Type 2, Class 1 & 2 (With/Without Dye)
MIL-PRF-8625 Rev. F

  • Type 2, Class 1 (without dye)
  • Type 2, Class 2 (with dye)
  • Available colors: Red, Black, Blue
  • Packing & delivery with invoice docs & inspection reports

Hard Anodizing

Type 3, Class 1 & 2 (With/Without Dye)
MIL-PRF-8625 Rev. F

  • Enhanced surface hardness
  • Improved corrosion resistance
  • With or without dye options
  • Applicable for high wear environments

Anodizing Process Workflow

1

Receiving Inspection

  • Visual and dimensional inspection of incoming parts
  • Verification against purchase order and customer requirements
  • Material certification review
  • Periodic qualification test results verification
2

Cleaning Process - Manual Cleaning

  • Manual Cleaning: Removal of gross contaminants
3

Racking and Fixturing

  • Custom fixturing for proper electrical contact
  • Ensures even current distribution during anodizing
  • Minimizes rack marks and shadows
4

Cleaning Process - Chemical Cleaning

  • Pre-Cleaning: Chemical Degreasing (Alkaline Degreasing)
5

Water Break Test - 1

  • Water Break Test - Initial cleanliness verification
6

Surface Preperation

  • Alkaline Etching: Controlled surface texture
  • Deoxidizing: Removal of surface oxides
7

Water Break Test - 2

  • Water Break Test - Final cleanliness verification
8

Sulphuric Acid Anodizing

  • Type II Class 1: Without Dye (Natural finish)
  • Type II Class 2: With Dye (Black, Red, Blue standard)
  • Precision temperature and current control
  • Thickness monitoring (5-25μm typical)
9

Sealing Process

  • Hot Water Sealing: Standard method
  • Sodium Dichromate Sealing: Enhanced corrosion resistance
10

Final Processing

  • Final Spray Rinse with DM water
  • Controlled air drying
  • De-racking with care
  • 100% final inspection
  • Documentation package
11

Optional Coatings

  • Chemical Conversion: Alodine 1200S (Type 1)
  • Chemical Conversion: Surtec 650 (Type 2)
  • PTFE impregnation
Anodized aluminum parts

Why Choose Our Anodizing Services?

  • Precision Control: Automated process monitoring for consistent results
  • Quality Assurance: MIL-PRF-8625F
  • Fast Turnaround: Standard 3-5 day processing
  • Expertise: 20+ years in industrial surface finishing
  • Capacity: Parts up to 4' x 8' x 6' dimensions
  • Environmental: Waste treatment and recycling programs