Würth Rust Stop Primer
Würth Rust Stop Primer
SKU:
24 in stock
Key Features
- Brushable active corrosion protection for metallic surfaces, with long-lasting performance.
- Meets corrosivity category C3 "high" (DIN EN ISO 12944) and resists corrosion for approx. 500 hours (DIN EN ISO 9227 salt spray test).
- Resistant to water, seawater, and many chemicals, making it suitable for harsh environments.
- Quick drying: coated materials can be handled and transported soon after application.
- Can be painted over with common topcoat systems for extended protection.
- Temperature resistant up to 80°C (short-term peaks up to 120°C).
- VOC compliant - low solvent content in line with VOC directive (1999/13/EC).
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Description
Durable Anti-Corrosion Protection
Würth Rust Stop Primer is a brush-applied, alkyd resin-based primer that provides outstanding protection for metal and steel surfaces exposed to demanding environments. Tested to DIN EN ISO 9227 (salt spray test), the coating demonstrates approx. 500 hours of corrosion resistance, fulfilling the requirements for corrosivity category C3 "high" under DIN EN ISO 12944.
Resistant to Water, Salt, and Chemicals
Formulated to withstand water, seawater, and many aggressive chemicals, the primer is suitable for use in industries where equipment and structures face tough operating conditions, including marine, construction, and agricultural sectors.
Fast, Practical Application
Designed for ease of use, the product can be applied directly by brush without specialist equipment. It dries quickly, allowing coated components to be handled, transported, or further processed in short timeframes. This makes it particularly effective as a transport primer in steel construction.
Recoatable and Compatible
Once dried, the primer can be painted over with standard topcoat systems, enabling integration into multi-layer coating processes. For best results, always refer to the technical data sheet for compatibility with specific finishing coats.
Professional Applications
Ideal for vehicle construction, shipbuilding, steel construction, tool manufacturing, bridge and tank construction, pipeline and container production, as well as agricultural and municipal machinery, this primer provides reliable and lasting protection in diverse sectors.
More Information
Application Instructions
- Ensure the substrate is clean, dry, and free from grease.
- Remove loose rust, dirt, or old coatings with a wire brush, scraper, or similar tool.
- Stir the product thoroughly before use.
- Apply evenly by brush.
- For optimal results, apply two coats approx. one hour apart.
- Allow to dry before recoating with compatible topcoat systems.
Usage Notes
- Processing temperature range: 15°C to 25°C.
- Minimum application rate: 90ml/m^2.
- Ensure adequate ventilation during application.
- Store correctly to maintain product performance.
Specifications
Chemical Basis
Alkyd resin
Contents
750 ml
Weight of Content
960 g
Colour
Red brown
Density
1.28 g/cm³ (at 20°C)
Drying Time
Approx. 16 h
Coverage
Approx. 8 m² per can
Application Quantity
Min. 90 ml/m²
Processing Temperature Range
+15°C to +25°C
Temperature Resistance
-30°C to +80°C (short-term up to +120°C)
VOC Concentration
Complies with Directive 1999/13/EC
Shelf Life from Production
12 months (stored between +10°C and +35°C, protected from sunlight and heat sources)