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Home / Products / Zinc-Rich Rebar Primer

Zinc-Rich Rebar Primer

Single-component zinc-rich epoxy primer for cathodic protection of exposed reinforcement during concrete repair.

Galvanic ProtectionSingle-ComponentBrush-AppliedEN 1504-7
ZINC≥ 95% dry film
COVERAGE150–200 g/m
RECOAT4–6 hours
SHELF LIFE12 months
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↓ Download Datasheet (PDF)

Overview

Protects the rebar. Galvanically.

Zinc-Rich Rebar Primer is a single-component zinc-rich epoxy primer applied to cleaned reinforcing steel during concrete repair. The high zinc content (≥95%) provides sacrificial cathodic protection – the zinc oxidises preferentially to the steel.

Standard inclusion on all concrete repair specifications involving rebar exposure due to spalling, carbonation, or chloride attack.

Key Features

  • Zinc content ≥ 95% in dry film
  • Single-component – no mixing
  • Brush, roller, or spray application
  • Compatible with cementitious repair mortars
  • Fast drying – recoat in 4–6 hours
  • EN 1504-7 certified

Technical Specs

Technical Specifications

All values measured at 23°C unless noted. Full test data available in the datasheet.

PropertyValueUnit
FormSingle-component zinc-rich epoxy–
ColourGrey metallic–
Zinc content≥ 95%
Density2.30 ± 0.10g/cm³
Solids content≥ 80%
DFT per coat80–100μm
Coverage150–200g/m
Touch-dry30–45min
Recoat4–6hours
Full cure7days
Adhesion to steel≥ 5MPa
Service temperature−30 to +120°C
Packaging1 / 5kg
StandardsEN 1504-7 · ISO 12944–

Applications

Where this product is used

Six typical site applications where our crews specify this product.

🔧

Rebar repair

Anti-corrosion protection of exposed rebar.

🌊

Marine concrete

Splash-zone reinforcement protection.

🌉

Bridge repair

Bridge structural repair with exposed reinforcement.

🏭

Industrial repair

Industrial concrete repair with rebar exposure.

🏗️

Car park repair

Car park slab and beam repair.

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Façade repair

Façade concrete repair on chloride-contaminated buildings.

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