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Loctite SF 7505 (Rostkiller) 1 l milky quick-drying resin coating to prevent further corrosion, acts as a primer for the finish coat for pipes, valves, tanks, equipment, tractors and vehicles
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Description
LOCTITE SF 7505 1 L is a fast-drying, water-based latex resin coating that converts and stops rust while acting as a primer for finish coats. Applied to rusted steel, it converts the rust and leaves a black, coherent protective layer.
Benefits and unique features
- Rust converter and primer in one
- Easy application: brush, roller, sponge or airless spray
- Two-coat system – second coat after 60–120 min; topcoat after ≥ 24 h
- Apply at 10–30 °C; high humidity aids conversion
- Heat resistance: 90 °C continuous, 120 °C short-term
Properties and applications
- Steel with firmly adherent rust: remove loose rust and contaminants; power/hand wire-brush and rinse
- Plants & structures: pipes, valves, tanks, power/HVAC, transport, agriculture
- Primer for finish paints: select a suitable topcoat for the expected environment
- Limitations: not for continuous immersion; avoid wet substrates, condensing humidity and direct sun during application
Technical parameters
| Parameter | Value |
|---|---|
| Pack size | 1 L |
| Technology / chemistry | Water-based coating, synthetic latex resin |
| Appearance | Milky liquid; converts to black film |
| Application temperature | 10–30 °C |
| Recommended coats | 2 |
| Recoat interval | 60–120 min |
| Minimum time to topcoat | ≥ 24 h |
| Heat resistance | 90 °C continuous / 120 °C short-term |
| Thinning for air spray | up to 10% with water (no solvents) |
| Tool cleaning | Detergent and water immediately after use |
| Storage | 8–21 °C; avoid <8 °C and >28 °C |
Storage recommendations
Store sealed in a dry area. Do not return decanted product to the original container. Protect from freezing/overheating (optimal 8–21 °C).
FAQ
Can I apply on damp steel? Substrate may be damp but not wet; avoid condensing humidity.
How many coats and when to topcoat? Two coats; recoat after 60–120 min; topcoat after ≥ 24 h.
Is it suitable for immersion? No—not for continuous immersion.
Application conditions? 10–30 °C; high humidity aids conversion but slows drying.
How to clean tools? Detergent and water immediately after application.
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