Permatex Rear Window Defogger Electrically Conductive Tab Adhesive Kit - 21351
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Product Information
Full details
This Permatex Rear Window Defogger Electrically Conductive Tab Adhesive Kit (21351) is designed for car owners seeking a reliable, low-cost solution to repair broken defogger tabs on their rear windows. It provides a strong, electrically conductive bond to restore defogger functionality quickly and easily. A key caveat is the temperature sensitivity during application, requiring a specific environment for optimal results.
All features
| Model Part Number | 21351 |
|---|---|
| Brand | Permatex |
Extended Product Information
FAQs
What temperature range is required for application?
The repair should only be performed when temperatures are between 50°F and 75°F (10°C and 24°C).
How long does the adhesive take to cure?
The adhesive requires a full 24 hours to cure before the defogger can be re-attached and activated.
Can I use this to repair a broken defogger grid line?
This kit is specifically for bonding defogger tabs to the grid. It is not designed to repair broken conductive lines within the grid itself.
What is included in the kit?
The kit typically includes a Cleaner/Activator Towelette and a tube or packet of Electrically Conductive Tab Adhesive, along with instructions.
What happens if I touch the activated surface?
Touching the activated surface can interfere with the bonding process, potentially leading to a weak connection or failure. It's important not to touch the mounting surface of the glass or the tab after applying the activator.
Can this be used for other electronic repairs?
While it is an electrically conductive adhesive, it is specifically formulated and intended for automotive rear window defogger tab repairs. Its performance on other applications may vary and is not guaranteed.
How do I know if my defogger tab is compatible?
This kit is suitable for most standard automotive rear window defogger tabs that attach to a conductive grid. Ensure the tab you are repairing is designed to connect electrically to the grid.
Troubleshooting
Defogger still not working after repair
Ensure the tab makes complete contact with the conductive grid. Check if the adhesive has fully cured for 24 hours. Verify the wire connection to the tab is secure. The issue might be with the defogger grid itself or the vehicle's electrical system.
Adhesive did not bond properly
Verify the application temperature was within the recommended range (50-75°F). Ensure the surfaces were clean and dry before application. Make sure the tab was held firmly in place for the full minute during application. Avoid touching the activated surfaces before applying adhesive.
Defogger grid is damaged
This kit is designed to reattach a tab. If the conductive grid lines are significantly damaged or broken, this adhesive may not be sufficient to restore full functionality. Separate conductive repair kits or professional assessment may be needed.
Pros and Cons
Pros
- Effectively restores defogger functionality.
- Provides a strong and durable electrical connection.
- Simple and straightforward application process.
- Cost-effective alternative to professional repairs.
- All necessary components are included in the kit.
Cons
- Application requires specific temperature range (50-75°F).
- Requires careful handling to avoid touching activated surfaces.
- Curing time of 24 hours is necessary before use.
- Not suitable for external repairs or non-conductive applications.
Setup, Compatibility & Care
Setup Instructions:
- Ensure Power is Off: Turn off the rear defogger unit and carefully remove any wire from the detached tab.
- Prepare Surface: Verify that the defogger tab is flat and makes complete contact with the mounting surface on the rear window.
- Apply Activator: Open the Cleaner/Activator Towelette by pulling apart the protective packet. Use the attached towelette to apply activator to the lead attachment area on both the window grid and the tab. Allow it to dry for 5 minutes. Crucially, do not touch the activated surfaces.
- Apply Adhesive: Thoroughly knead the adhesive pouch. Cut off the top and apply one drop of adhesive to the center of the mounting area on the window grid.
- Attach Tab: Immediately place the defogger tab onto the adhesive on the rear window. Hold firmly in place for 1 minute.
- Cure: Allow the bond to cure for a full 24 hours before re-attaching the wire or activating the defogger.
Compatibility:
- Designed for use with standard automotive rear window defogger tabs and conductive grids.
- Ensure the tab is intended for electrical conductivity.
Care:
- Avoid cleaning the repaired area with harsh chemicals. A soft, damp cloth is generally sufficient for cleaning the rear window.
- Do not attempt to re-apply adhesive or disturb the tab once cured.
- Application is recommended only when ambient temperatures are between 50°F and 75°F (10°C and 24°C).