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Dowsil 781 Acetoxy Silicone 310ml - White

Dowsil 781 Acetoxy Silicone 310ml - White

Dowsil 781 Multi-Use sealant. A one part silicone which offers fast cure and excellent adhesion to...

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Product Information

Full details

This guide is for anyone using Dowsil 781 Acetoxy Silicone Sealant, a versatile sealant designed for various applications. It offers a durable and weather-resistant seal on surfaces like glass and ceramics. However, it's crucial to ensure proper surface preparation for optimal adhesion.

All features

ColourWhite
Model Part Number3295231/C05
BrandDowsil

Extended Product Information

FAQs

How long does it take for Dowsil 781 to cure?

Cure time depends on environmental conditions, typically curing within 24 hours under ideal conditions.

Can Dowsil 781 be painted?

No, Dowsil 781 is not paintable.

Can Dowsil 781 be used outdoors?

Yes, Dowsil 781 is weather-resistant and suitable for both interior and exterior use.

What surfaces can I use Dowsil 781 on?

Dowsil 781 adheres well to glass, ceramics, glazed tiles, and many other non-porous surfaces.

How do I clean up Dowsil 781?

Use a damp cloth to clean up uncured sealant. Once cured, it is best removed mechanically.

Is Dowsil 781 suitable for aquarium use?

No, Dowsil 781 is not specifically designed or recommended for aquarium use.

Troubleshooting

Sealant isn't adhering properly.

Ensure the surface is clean, dry, and free of any contaminants. Use a primer if recommended for the specific surface.

Sealant is taking too long to cure.

Check the temperature and humidity. Ensure adequate ventilation. Cure time can vary based on environmental conditions.

Sealant is shrinking after application.

Ensure you're applying a sufficient amount of sealant to fill the gap properly. Avoid over-application.

Sealant is discolouring.

Avoid prolonged exposure to direct sunlight. Ensure the sealant is compatible with the materials it is in contact with.

Pros and Cons

Pros

  • Provides a strong and durable seal.
  • Offers excellent adhesion to non-porous surfaces.
  • Suitable for both interior and exterior use.
  • Easy to apply due to its acetoxy cure system.
  • Weather-resistant, ensuring long-lasting performance.
  • Available in a 310ml size for various project needs.

Cons

  • Requires proper surface preparation for optimal adhesion.
  • May not be suitable for all types of materials.
  • Acetoxy cure may have a distinct odour during application.
  • Cure time may vary depending on environmental conditions.
  • Not intended for continuous underwater applications.
  • Limited colour options available.

Setup, Compatibility & Care

  1. Surface Preparation:
  • Clean the surface thoroughly to remove any dirt, grease, or old sealant.
  • Ensure the surface is dry before applying the sealant.
  1. Application:
  • Cut the nozzle at a 45-degree angle to the desired bead size.
  • Apply the sealant evenly along the joint.
  • Smooth the sealant with a wet finger or a smoothing tool.
  1. Compatibility:
  • Compatible with glass, ceramics, glazed tiles, and many other non-porous surfaces.
  • Not recommended for use with certain plastics or porous materials.
  • Always test in a small, inconspicuous area first.
  1. Care:
  • Avoid contact with the sealant before it has fully cured.
  • Clean up any excess sealant immediately with a damp cloth.
  • Store the sealant in a cool, dry place.

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