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Polyurethane Primer

Moisture-cured polyurethane primer for non-porous substrates and PU waterproofing systems.

Moisture-CuredMetal SubstratesSingle-ComponentSpray Application
COVERAGE0.15–0.25 kg/m²
DRYING2–4 hours
RECOAT4–24 hours
SHELF LIFE12 months
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↓ Download Datasheet (PDF)

Overview

Bonds to the difficult. Metal, plastic, smooth concrete.

Polyurethane Primer is a single-component, moisture-curing polyurethane primer for non-porous substrates that require deep penetration or chemical bonding before topcoat application. Particularly suitable for metal, smooth concrete, and existing coating substrates.

Standard primer under polyurea coatings, polyurethane liquid membranes, and PU floor systems.

Key Features

  • Single-component moisture-cured
  • Excellent adhesion to metal and smooth substrates
  • Low viscosity for substrate penetration
  • Compatible with PU and polyurea topcoats
  • Spray or roller application
  • Resistant to alkalis and chemicals

Technical Specs

Technical Specifications

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

PropertyValueUnit
FormSingle-component moisture-cured PU–
ColourPale amber–
Density1.00 ± 0.05g/cm³
Viscosity200–400mPa·s
Solids content45 ± 5%
Coverage0.15–0.25kg/m²
Touch-dry2–4hours
Recoat4–24hours
Full cure48hours
Bond to metal≥ 3MPa
Bond to concrete≥ 2MPa
Service temperature−30 to +90°C
Application temperature+5 to +40°C
StandardsISO 12944 · EN 1504-2–

Applications

Where this product is used

Six typical site applications where our crews specify this product.

🏭

Metal roof waterproofing

Primer under polyurea and PU on metal roofs.

🏊

Pool primer

Primer under PU pool waterproofing.

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Bridge decks

Primer under PU deck coatings.

🅿️

Car park decks

Primer under car park deck systems.

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Steel structures

Anti-corrosion primer for steel.

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Pipe coatings

Primer under PU pipe coatings.

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