LOCTITE 2051993 SI 5970 Gasket Sealant - Black - 50ml
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Product Information
Full details
This guide is for users of the Loctite 2051993 SI 5970 Gasket Sealant, a high-performance silicone sealant designed for demanding gasket applications. It offers excellent oil resistance and a wide temperature range, providing a reliable seal in various conditions. Keep in mind that the 50ml cartridge size may be best suited for smaller applications.
All features
| Colour | Black |
|---|---|
| Model Part Number | 2051993 |
| Brand | Loctite |
Extended Product Information
FAQs
What is the shelf life of Loctite 2051993?
The shelf life is typically one year from the date of manufacture when stored in the original, unopened container, in a cool, dry place.
Can I use this sealant on all types of gaskets?
While versatile, it's best suited for silicone-compatible applications. Check the material compatibility before using. Some gaskets might require specific types of sealants.
What is the temperature range of the sealant?
The sealant works effectively between -50°C to 200°C.
How should I clean up excess sealant?
Use a solvent like isopropyl alcohol to clean up uncured sealant. Cured sealant may need to be carefully scraped off with a sharp tool.
What safety precautions should I take when using this product?
Wear gloves and eye protection. Avoid contact with skin and eyes. Work in a well-ventilated area.
How long does it take for the sealant to fully cure?
Cure time varies, but allow at least 24 hours under normal conditions. Curing can depend on the temperature and humidity.
Can I use this sealant on plastic parts?
It is generally safe for many plastics, but it is always best to test on a small, inconspicuous area first, especially with sensitive plastics.
Is Loctite 2051993 oil-resistant?
Yes, it is specifically designed to be oil-resistant, making it suitable for automotive and industrial applications.
Troubleshooting
Sealant is not adhering properly.
Ensure surfaces are clean and free of oil or grease. Roughen the surface slightly to improve adhesion if necessary. Apply a primer for challenging materials.
Sealant is leaking after application.
Check for gaps in the sealant bead. Reapply sealant, ensuring full coverage and proper assembly within the mounting time.
Sealant takes too long to cure.
Ensure the temperature is within the recommended range. Provide adequate ventilation if necessary. The curing time depends on the surrounding temperature and humidity.
Pros and Cons
Pros
- Excellent sealing performance.
- Resistant to oil, ensuring longevity.
- Works in extreme temperatures.
- Easy to apply with a cartridge.
- Provides a reliable seal for gasket applications.
Cons
- 50ml cartridge may be insufficient for large-scale projects.
- Requires specific application knowledge for best results.
Setup, Compatibility & Care
- Preparation: Ensure all surfaces are clean, dry, and free from oil or grease. Use a solvent cleaner if necessary.
- Application: Apply a continuous, even bead of Loctite 2051993 to the gasket surface.
- Assembly: Assemble the parts within 25 minutes of application.
- Curing: Allow the sealant to cure completely before exposing it to fluids or pressure. Cure time depends on environmental conditions (temperature and humidity).
- Compatibility: This sealant is compatible with a wide range of materials but always test on a small, inconspicuous area before applying it broadly. Avoid use with materials it is not recommended for.
- Storage: Store in a cool, dry place. Keep the cartridge sealed when not in use.
- Care: Avoid contact with skin and eyes. If contact occurs, rinse thoroughly with water and seek medical attention if irritation persists. Use appropriate personal protective equipment (PPE) during application.