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eBay£43.54Visit shop Starchem PU Sealer Adhesive Sealant Glue 310ml Cartridges 5 x Black & 5 x Grey
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The Starchem PU Sealer is designed for automotive technicians, industrial repair professionals, and DIY enthusiasts who require a robust, flexible bonding solution that can withstand demanding conditions. Its primary benefit is the combination of high-strength adhesion with a rapid 30-minute overpainting window, significantly streamlining repair workflows. Note that while the sealant is highly versatile, it requires a standard professional-grade caulking gun for application and proper surface preparation to ensure maximum bond strength.
| Colour | Multicolor |
|---|---|
| Model Part Number | Starchem adhesive sealer PU Sealant bonding glue |
| Brand | Starchem |
Yes, it works on many automotive plastics, but a test patch is recommended as some low-surface-energy plastics may require an adhesion promoter.
Yes, once fully cured, the sealant creates a permanent, waterproof, and weather-resistant barrier.
On clean, sanded metal, it is usually not required. However, for specialized or highly oxidized surfaces, a primer may enhance bond strength.
While it is paintable within 30 minutes, full structural cure typically takes 24 to 48 hours depending on ambient temperature and humidity.
No, this is a general-purpose body sealer and adhesive. Windshield installation requires specific structural glass adhesives with different chemical properties.
Uncured sealant can be removed with a suitable solvent or degreaser. Once cured, it must be removed mechanically by scraping or sanding.
Ensure the nozzle is cut wide enough and verify that your sealant gun mechanism is functioning correctly. In cold temperatures, warm the cartridge slightly to improve flow.
Re-clean the surface to remove hidden traces of wax, silicone, or grease. Ensure the surface is completely dry before application.
Work in smaller sections or avoid direct sunlight during application to extend the open time.
To achieve the best results, ensure all bonding surfaces are completely clean, dry, and free from grease, oil, or loose rust. Use a lint-free cloth and an appropriate degreaser before application. Cut the nozzle to your desired bead width at a 45-degree angle. Load the cartridge into a standard 310ml sealant gun and apply steady pressure. After use, leave a small amount of product protruding from the nozzle to act as a plug, or cap the nozzle tightly to prevent the remaining material inside the cartridge from curing. Store in a cool, dry place away from direct sunlight to preserve shelf life.
