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Rust-Oleum 769 Damp-Proof Rust Primer
Rust-Oleum 769 Damp-Proof Rust Primer
Rust-Oleum

MC-R769

Rust-Oleum 769 Damp-Proof Rust Primer

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Manufacturer:   Rust-Oleum

Description

Rust-Oleum 769 Damp-Proof Primer is a single pack rust primer for application to sound rusted surfaces. It is based on a special fish oil containing alkyd resins, rust-inhibitive pigments and is lead and chromate free. 

  • Minimal surface preparation (manual derusting)
  • Unique formula based on fish oil.
  • Penetrates the rust to the metal.
  • Expels moisture & air and encapsulates rust.
  • Durable corrosion protection, both with and without topcoat.
  • Low odour, free of lead and chromates.
  • Overcoatable with virtually all paint systems.
Application Method Spray, Brush or Roller
Surfaces  Steel Surfaces
VOC Level 375g / Litre
Coverage  14.5m² / Litre
Touch Dry 16 Hours @ 10°C / 3 Hours @ 30°C
Over-Coating 36 Hours @ 10°C / 24 Hours @ 30°C
Maintenance Cycle 5 Years
Thinning & Cleaning Rust-oleum thinner 633 / Rust-oleum thinner 160
Number of Coats 2

Additional Information

Surface Preparation: Remove grease, oil and all other surface contaminations by alkaline or high pressure (steam) cleaning in combination with appropriate detergents. Remove rust scale, loose mill scale, loose rust and loose coatings by scraping and wire brushing to St 2 (ISO 8501-1: 1988), light blast cleaning or sanding.

Sand previous coatings, which are in good condition to roughen the surface slightly. The surface must be clean and preferably dry during application.

Typical Use: To ensure homogeneity, coating materials should be thoroughly stirred prior to use.

Application: 

Brush: Up to 10 vol. %; RUST-OLEUM Thinner 633. Use natural bristles, long hair brushes.

Roller: Up to 10 vol. %; RUST-OLEUM Thinner 633. Use medium nap, polyamide (perlon 8 -12 mm) rollers. Roller application may require 2 coats to achieve recommended dry film thickness.

Air-atomised spray: 10-20 vol.%; RUST-OLEUM Thinner 641. Gravity cup and pressure cup. Tip size: 1.2 -1.8 mm. Atomising pressure: 2 - 4 bar. Airless spray: If required, up to 5 vol. % RUST-OLEUM Thinner 641. Pneumatic and electric airless equipment. Tip size: 0.013-0.015 inch Fluid pressure: 130 - 200 bar.

Cleanup: Use Rust-Oleum Thinner 160 or mineral spirits. 

Temperature of air, substrate and coating material between 5 and 35°C and relative humidity below 85%. The substrate temperature must be at least 3°C above dew point. 

Typical Paint System:

769 Rust Primer 2 x 35µm (Dry Film Thickness)

7500 Alkythane 1 x 75µm (Dry Film Thickness)

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