Maximum protection for the most demanding
Nanolex Si3D HD is the ideal sealant for those seeking uncompromising protection for their vehicle. This advanced sealant is based on a special hybrid polysilazane formulation that forms an extremely durable, hydrophobic protective layer. The extreme hardness ensures that your vehicle's paintwork is reliably protected against scratches, UV rays and chemical influences.
Si3D HD is designed for professional users and car care enthusiasts who require a long-term solution for paintwork protection. With a durability of up to 75,000 km or 75 washes, Nanolex Si3D HD offers the perfect combination of protection, shine and durability.
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?
To achieve optimal results with Nanolex Si3D HD, we recommend following these instructions. We strongly advise wearing nitrile gloves to protect your skin!
Preparation
Clean the painted surface thoroughly and dry it completely. Use Nanolex EX to remove all residues and ensure perfect adhesion.
Application
Apply a small amount (approx. 5-10 drops) of Nanolex Si3D HD onto a microfiber applicator pad and spread the product evenly over the surface.
Allow the sealant to cure for 3 minutes before wiping it off with a clean microfiber cloth. Make sure to thoroughly remove all residues.
Post - treatment
Vermeiden Sie den Kontakt mit Wasser für mindestens 12 Stunden nach der Anwendung. Die vollständige Aushärtung erfolgt nach 72 Stunden.
FAQ
Why Si3D HD?
The sealant provides protection for up to 75,000 km or 75 washes.
It is advisable to apply Si3D HD over a layer of Nanolex Si3D BC to achieve maximum adhesion and protection.
Yes, Si3D HD is suitable for all common and custom paint types.
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.
Ideally, the application should take place at room temperature (20°C) with a humidity level of 30-70% to achieve the best results.








