Dow Corning 786 Silicone Sealant - White
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Product Information
Full details
This guide helps users understand and effectively use Dow Corning 786 Silicone Sealant. It's designed for anyone needing a reliable sealant, especially in environments with potential food contact or exposure to moisture. The key benefit is its excellent adhesion and mildew resistance. However, users should note that the cure time is approximately 24 hours for a 2.5 mm depth.
All features
| Colour | White |
|---|---|
| Model Part Number | Dow2825562 |
| Brand | Dow Corning |
Extended Product Information
FAQs
Is Dow Corning 786 safe for food contact?
Yes, it meets US Food and Drugs Administration Regulation Number 21CFR177.2600, making it safe for repeated food contact.
What is the cure time?
The cure time is approximately 24 hours for a 2.5 mm depth.
What is the operating temperature range?
The operating temperature range is -50°C to +150°C.
What surfaces can I use this sealant on?
It is compatible with many surfaces, including glass, metal, and certain plastics. Always test on a small, inconspicuous area first.
How do I clean the sealed area?
Clean with a mild detergent and water. Avoid abrasive cleaners or solvents.
Is this sealant mildew resistant?
Yes, it contains a food grade fungicide, providing mildew resistance.
What is the chemical type?
The chemical type is Acetoxy.
Troubleshooting
Sealant isn't adhering properly.
Ensure the surface is clean and dry before applying. Use a suitable primer if necessary.
Sealant appears to shrink or crack after curing.
Ensure the sealant is applied in the correct thickness and is compatible with the materials. Avoid excessive movement in the sealed area during curing.
Sealant has a strong odor after application.
Ensure adequate ventilation during application and curing. The odor should dissipate as the sealant cures.
Pros and Cons
Pros
- Safe for use in areas with potential food contact.
- Resistant to mildew, ideal for humid environments.
- Provides a strong and durable seal.
- Wide operating temperature range.
- Fast cure time for efficient application.
Cons
- Acetoxy cure type may have a noticeable odor during application.
- Cure time of 24 hours for deeper applications may require patience.
- Limited to white color.
- Requires proper surface preparation for optimal adhesion.
Setup, Compatibility & Care
Setup:
- Clean the surface thoroughly, removing any dirt, grease, or old sealant.
- Cut the nozzle to the desired bead size.
- Apply the sealant evenly, ensuring complete coverage of the gap.
- Smooth the sealant with a wet finger or tool.
Compatibility:
Dow Corning 786 Silicone Sealant is compatible with many surfaces, including glass, metal, and certain plastics. Always test on a small, inconspicuous area first to ensure compatibility.
Care:
Clean the sealed area with a mild detergent and water. Avoid abrasive cleaners or solvents, which can damage the sealant. Inspect the seal periodically for any signs of damage or wear.