Ceramic Breaking Windows

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.
Ceramic breaking windows. This is one the most important health benefits of ceramic film. Ceramic window film blocks approximately 99 of the uv rays that penetrate 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. This is a myth.
The ceramic could leave a scratch but that is all that would happen. Among all the window tints ceramic window tints are the most expensive because of the benefits it has. Spark plugs are made of aluminum oxide ceramic which is exceptionally hard. This would not work on most other types of glass.
Uv rays are light rays that are harmful to the skin and can contribute to wrinkling sun damage and the development of skin cancer. In part 1 we learned porcelain from a spark plug can break glass but what about other porcelain like a toilet. Ceramic window tints can cost from a hundred dollars to almost a thousand. 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. Does this only work on auto glass. Although effective spark plug fragments will not work all the time. The reason is that the small sharp and hard ceramic fragments induce scratches that pierce through the residual stresses of the 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. Once the crack gets started it quickly spreads ceramic stones can easily be concealed by thieves. They have no traditional association with the ninja or ninjutsu only being named.