making a tempered glass cutting board?
I need a new glass cutting board, but I don't like any of the designs available & I really don't want a clear one. Is it possible to put your own design onto one of these? What is the process that the manufacturers use? I know there are companies that will personalize them for you, but I'm a "do-it-yourselfer" & I'd really like to try it for myself...
I agree that there is little hope of you actually "tempering" the glass on your own, and in fact, it would probably be dangerous for you to try. This leads me to my next point: a tempered glass cutting board is not a good idea.
Tempering a glass involves heating the outside edges of a piece of glass, which causes the outside to cool differently than the inside when the glass was formed. This puts a compressive stress on the surface of the glass. Glass will only break under tension (crack formation and growth) so a compressive stress on the surface acts to close any cracks that form, making the glass stronger. The problem is it's very difficult to evenly heat and cool the outside edge so you get an uneven compressive stress on the surface. Even professional manufacturers have difficulty making a stable tempered glass without regions of stress concentration. These tempered defects cause focus points of stress and can lead to explosive failure even under just its own internal forces. The other issue with tempered glass, and the reason why it's not used as bullet-proof glass (and cutting boards), is it cannot absorb multiple impacts. Once it does crack it breaks into thousands of small blunt pieces in a process known as dicing. A true strong glass is usually just a very thick piece of glass that can absorb multiple impacts and heavy cracking before failing completely.
They do make glass-ceramic cutting boards, made from the same material as the flat top stoves. These are carefully crystallized glasses, which are very strong and very stable. You still couldn't make a glass-ceramic without some serious equipment, but if you're looking for something different try out one of them.
This tempered glass cutting board from Vance Industries provides an effortlessly cleaned cutting integument impervious to nicks and cuts from cut blades. Don't be responsible about unceasing it through the dishwasher -- contrasting with tiny-minded cutting boards, there are no joints in this glass board which could swell and disassemble in the drenching warmth of a dishwashing device. Cleaning by steadily works scarcely as well. A fundamental pass on wave takes only a gravity and protects the board from pitting and dulling.
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