Varathane Nano Defence is made from a patented Aluminum Oxide formula. Nano Defence is one of the most durable floor finishes in the market with the same quality of a professional finish. It’s 3-4 times more resistant to scratches and scuffs than conventional floor finishes. Providing the ultimate protection from everyday foot traffic. Varathane Nano Defence is crystal clear, virtually odourless, extremely fast drying and provides for easy water clean-up.

wood floor finish

'Nano' is used in the product name.  It is made from a patented Aluminum Oxide formula and provides improved scratch resistance over conventional floor finishes, suggesting possible use of aluminum oxide nanoparticles. 

unable to locate SDS online

Scratch behavior of nano-alumina/polyurethane coatings