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eBay£33.60Visit shop Indasa 472576 Polyurethane Silicone Sealer Bond Black Tube 310ml Multi-Purpose
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The Indasa Polyurethane Silicone Sealer Bond is a professional-grade, high-strength adhesive solution designed for automotive technicians, boat builders, and construction professionals who require a permanent, flexible seal. It excels at structural bonding across various surfaces, offering exceptional resistance to environmental stressors like water, UV exposure, and oil; however, users should note that as a polyurethane-based product, it requires careful surface preparation and curing time compared to standard silicone sealants.
| Colour | Black |
|---|---|
| Model Part Number | 472576 |
| Brand | Indasa |
Yes, because it is silicone-free, it is compatible with most professional automotive paint systems.
It is water-resistant once cured, but it is not intended for permanent immersion under high-pressure water conditions.
Cure time depends on humidity and temperature, typically reaching initial skin-over in minutes and full structural cure over 24-48 hours.
You will need a standard 310ml caulking gun and a cloth or specialized tool for smoothing the bead.
Once fully cured, it must be removed mechanically using a blade or scraper, as solvents are ineffective against cured polyurethane.
Ensure the nozzle tip is cut wide enough and the gun is functioning correctly. If the product is cold, allow it to reach room temperature before application.
Check that the surface was thoroughly cleaned and free of any silicone residue, wax, or oil. Polyurethane bonds poorly to contaminated surfaces.
To begin, cut the nozzle to your desired bead width and load the 310ml cartridge into a standard manual or pneumatic sealant gun. Before applying, clean all surfaces with an appropriate degreaser or alcohol-based cleaner. Apply the bond in a consistent line and tool the sealant within its skin-over time. For care and maintenance, store unused portions in a cool, dry place and ensure the nozzle is sealed tightly to prevent the product from curing within the tube. If working on plastic, test for adhesion on a small, inconspicuous area first, as polyurethane bonding characteristics can vary by plastic type.
