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Blueperry agriculture (UK)£10.57Visit shop Dowsil White 791 Silicone Sealant 310Ml 4024912/C05
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This guide is for anyone using Dowsil 791 Weatherproofing Silicone Sealant to seal and protect against the elements in both commercial and domestic applications. The key benefit is its excellent adhesion to various surfaces and its resistance to weather elements. However, be aware of the 20-30 minute working time, which requires efficient application. This guide provides comprehensive information on features, usage, and care to help you achieve optimal results with this sealant.
| Colour | White |
|---|---|
| Model Part Number | 4024912/C05 |
| Brand | Dow Corning |
The working time is approximately 20 to 30 minutes, providing a window to apply and tool the sealant.
It is tack-free in approximately 2 hours and fully cured within 24 hours, depending on environmental conditions.
It provides excellent unprimed adhesion to most porous and non-porous surfaces, including glass, metals, and many plastics.
It offers a joint movement capability of +/-50%.
The application temperature range is -20 to +50°C.
Yes, it has excellent weatherproof characteristics, including resistance to ozone, UV radiation, and extreme temperatures.
Use a solvent such as mineral spirits or a dedicated sealant remover, following the manufacturer's instructions.
Store in a cool, dry place, and ensure the tube is properly sealed after use.
Ensure the surface is clean, dry, and free from contaminants. Roughen non-porous surfaces and apply the sealant within the application temperature range.
Check the expiration date of the sealant. Ensure proper ventilation and apply within the recommended temperature range. Avoid applying too thickly.
Apply the sealant in the recommended bead size. Ensure proper tooling for optimal contact.
Use a suitable tooling method immediately after application, such as a wet tool or finger. Ensure a consistent bead size.
Inspect for joint movement exceeding the sealant's capability. Ensure appropriate sealant depth and width ratio.
