borosilicate

I have created a desktop style vaporizer that utilizes only glass parts, the entire airpath is borosilicate glass, the nichrome heating element is covered in glass and completely seperate from the incoming air. When you draw from it the air travels through the "proprietary glass mixing chamber"...

I want to start his thread because I'm a huge Corning fan and I've always loved the original borosilicate Pyrex glassware. It's a shame that the brand name was sold and the material changed to soda lime as this has tarnished the Pyrex name. The only reason real Pyrex is made today is the...