Dow Corning Silicone Sealant - White
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Product Information
Full details
This guide is for anyone using Dow Corning Silicone Sealant - White for weathersealing in construction and repair projects, particularly around windows and doors. The sealant offers strong, unprimed adhesion, exceptional flexibility, and resistance to extreme conditions, making it a reliable choice. However, remember that the application temperature range is +5 to +40°C, so plan accordingly.
All features
| Colour | White |
|---|---|
| Model Part Number | 3279677/C05 |
| Brand | Dow Corning |
Extended Product Information
FAQs
What is the working time for this sealant?
The working time is approximately 20 to 30 minutes.
How long does it take for the sealant to become tack-free?
It becomes tack-free in approximately 35 minutes.
What is the joint movement capability?
The joint movement capability is +/-50 percent.
What temperature range is suitable for application?
The application temperature range is +5 to +40°C.
Is this sealant suitable for outdoor use?
Yes, it is resistant to UV radiation and extreme temperatures, making it suitable for outdoor use.
Can I paint over this sealant?
The product information does not specify paintability. Check with the paint manufacturer.
What substrates is this sealant compatible with?
It is suitable for weathersealing between PVCu, aluminum, wood door and window frames and most common construction substrates.
What is the shelf life of this sealant?
The shelf life is not specified in the product information. Please refer to the product packaging or contact the manufacturer.
Troubleshooting
Sealant isn't adhering to the surface.
Ensure the surface is clean, dry, and free of contaminants. You may need to use a primer if the substrate is not ideal.
Sealant is taking too long to cure.
Make sure the application temperature is within the recommended range (+5 to +40°C). Check the expiration date.
Sealant is shrinking after application.
Ensure the sealant is not applied too thinly. Apply a sufficient amount to account for joint movement.
Pros and Cons
Pros
- Excellent for weathersealing around windows, doors, and other construction substrates.
- Provides a long-lasting, flexible seal that withstands movement and environmental factors.
- Fast cure time minimizes downtime and allows for quicker project completion.
- Offers strong adhesion without the need for a primer on many surfaces.
- Resistant to UV radiation and extreme temperatures, ensuring longevity.
Cons
- Application temperature range is limited to +5 to +40°C, which may restrict usage in certain climates or seasons.
- May require surface preparation for optimal adhesion on some substrates.
- Requires proper ventilation during application due to the presence of volatile compounds.
- Not suitable for all types of materials; always check compatibility.
Setup, Compatibility & Care
Setup:
- Surface Preparation: Ensure surfaces are clean, dry, and free of any contaminants like dust, oil, or old sealant. Clean the area with a solvent such as isopropyl alcohol.
- Application: Apply the sealant using a caulking gun. Cut the nozzle to the desired bead size.
- Smoothing: Smooth the sealant bead with a wet finger or a smoothing tool.
Compatibility:
- Compatible Materials: PVCu, aluminum, wood, and most common construction substrates.
- Not Recommended for: Certain plastics or materials that are not specified by the manufacturer. Always test compatibility before full application.
Care:
- Storage: Store in a cool, dry place away from direct sunlight.
- Cleaning: Clean any excess sealant immediately with a suitable solvent before it cures. Once cured, removal may be more difficult.
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