Maximum protection for the most demanding
Learn how to use the Si3D HD "Detailer Only" paint protection coating
Si3D HD was developed, tested, and produced in Germany
Extreme hardness:
Provides excellent protection against scratches and abrasion.
Long-lasting protection:
Lasts up to 75,000 km or 75 washes.
Protection against UV rays and chemicals:
Protects the paintwork from harmful environmental influences.
Deep, long-lasting shine:
Gives the vehicle an impressive color depth and mirror shine.
For professional applications:
Ideal for detailers and demanding vehicle owners.
How to use Si3D HD?
Preparation
Application
Post - treatment
FAQ
Why Si3D HD?
How long does the Nanolex Si3D HD sealant last?
The sealant provides protection for up to 75,000 km or 75 washes.
Can Si3D HD be applied to surfaces that have already been sealed?
It is advisable to apply Si3D HD over a layer of Nanolex Si3D BC to achieve maximum adhesion and protection.
Is Si3D HD suitable for all types of car paintwork?
Yes, Si3D HD is suitable for all common and custom paint types.
How many layers should be applied?
One layer already provides excellent protection, but it is recommended to apply one coat of Nanolex Si3D BC primer. Using Si3D BC improves the adhesion and longevity of all subsequent protective layers, ensuring a better finish and longer protection.
What are the ideal temperature and humidity conditions for application?
Ideally, the application should take place at room temperature (20°C) with a humidity level of 30-70% to achieve the best results.








