epoxy coated rebar background


Epoxy-coated Rebar

Widely Used Due To Excellent Corrosion Resistance

Cost-Effective Corrosion Protection for Reinforced Concrete

Epoxy-coated rebar is manufactured by electrostatically applying fusion-bonded epoxy powder to carbon steel, forming a durable protective barrier . The coating provides excellent resistance to chemicals, moisture, oxygen, and chlorides, significantly delaying corrosion and extending the service life of reinforced concrete structures.

production process of epoxy coated rebar
  • Grades:
       ASTM A615 Gr60(420)/Gr75(520)
  • Coating Technology:
      Electrostatic powder spraying
  • Powder Coating Brands:
    Sherwin-williams logo
  • Coating Standards:
      ASTM A775/A775M
  • Custom Diameters:
       6 mm – 50 mm
  • Standard Lengths:
      6 m - 12 m

Key Benefits

  • Excellent Corrosion Protection

    The dielectric coating helps mitigate stray-current-induced corrosion in electrified infrastructure.

  • Excellent Coating Integrity

    Uniform coating thickness and strong adhesion ensure reliable performance during fabrication and installation.

  • Cost-Effective Durability

    Delivers long-term corrosion protection with reduced maintenance and lower whole-life costs.

  • Sustainable Solution

    Manufactured using high-recycled-content steel to extend structural service life and reduce life-cycle environmental impact.

  • Reliable Global Supply

    Four automated coating lines with an annual production capacity of 200,000 tonnes.

Epoxy Coated Rebar Performance

PropertyPerformanceApplicable Standard
Coating Thickness Coating thickness complies with the applicable requirements for each coating system. ISO 14654 (Epoxy-Coated Steel Reinforcing Bars) or ASTM A1124/A1124M-23 (Textured Epoxy-Coated Steel Reinforcing Bars),
Coating Adhesion Cathodic Disbondment Radius≤ 2 mm; Salt Spray Disbondment Radius≤ 3 mm; Excellent coating adhesion verified by standardized adhesion testing. ISO 14654
Coating Flexibility No coating cracking, peeling or delamination after bending. ISO 14654 GB/T 25826
Abrasion ResistanceWeight loss ≤ 2 mg / 1000 cycles.ASTM A1124/A1124M-23
Impact Resistance No coating cracking, shattering or disbondment after impact testing. ASTM A1124/A1124M-23
Chip ResistanceNo coating holidays after gravel impact testing.ASTM A1124/A1124M-23
Surface TextureAverage surface roughness Rz = 200–460 μm.ASTM A1124/A1124M-23

Typical Applications

  • Bridges & Highways
  • Marine & Coastal Structures
  • Ports & Harbors
  • Metro & High-Speed Rail Infrastructure
  • Railway Tunnels & Stations
  • Airport Pavements
  • Parking Structures
  • Water & Wastewater Treatment Plants
  • Power & Utility Infrastructure
  • Industrial Facilities
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