The ceramic could leave a scratch but that is all that would happen.
Ceramic breaking windows.
Since they can quickly and quietly fracture the glass side windows on most cars ninja rocks have been used in smash and grab auto burglaries since at least 1995.
In part 1 we learned porcelain from a spark plug can break glass but what about other porcelain like a toilet.
Although effective spark plug fragments will not work all the time.
This is a myth.
Several people have suggested that the charge of the glass and the ceramic from the spark plug create a spark that breaks the glass in an explosive way.
Ninja rocks are broken shards of spark plugs that are formed by smashing the ceramic portion of the spark plug with a hammer or other large object.
This would not work on most other types of glass.
Ceramic window film blocks approximately 99 of the uv rays that penetrate windows.
It would also take extra effort before breaking windows coated with ceramic tints.
The hard ceramic fragments of broken spark plugs are great at breaking tempered glass.
The direct force on a small area applied by the sparkplug ceramic is enough to punch through the safety glass which is designed to absorb great force over a large surface area without breaking.
Among all the window tints ceramic window tints are the most expensive because of the benefits it has.
The impact of the shard against the glass creates a tiny structural failing which rapidly spreads the tension through the rest of the screen causing it to break.
Once the crack gets started it quickly spreads ceramic stones can easily be concealed by thieves.
Spark plugs are made of aluminum oxide ceramic which is exceptionally hard.
Disadvantages ceramic window tints can cost more.
This is one the most important health benefits of ceramic film.
Uv rays are light rays that are harmful to the skin and can contribute to wrinkling sun damage and the development of skin cancer.
They have no traditional association with the ninja or ninjutsu only being named.