I don't think it is a game changer. I have been following the threads for a couple weeks and was even thinking of getting into the co-op for fused quarts 10mm pieces that had been annealed and flame polished. I decided not to.
I respect BJ43 and his opinions. He gave up on the idea after doing tests on 36 variation in 8 different setups
Not to put cold water on anyone's dreams, but I would recommend everyone read the results threads on this mod in the modding section, This is not as optimal as was thought in the beginning. I ended up with about 8 ft of 3mm quartz from friends who sent for testing, and IMO it is a waste of money. Just my opinion, but read, before spending your money and ask those who have made them if they are still vaping them after a few weeks. I made 36 variations in 8 different set ups. DUD, Chobra, and AGA T, and am not vaping any after testing for a couple of weeks. Sorry.
Pyrex isn't as safe as fused quartz because it doesn't take heating/cooling as well. Think of leaving your pv in your car in the cold winter then hitting it for a vape
Cutting fused quartz is very hard to do as it tends to shatter into
tiny bits/fragments. Even if you are able to cut the fused quartz it is then not safe as it needs to be annealed and flame polished.
There was a guy who has worked with glass for years in the original thread who explained all of this. When you cut the glass it may look fine but if you shine polarized light through it you can see the waves aren't even. This shows that while the glass looks normal it is actually under stress. When you anneal the glass you heat it up to the point just before it melts. The stress in the glass is then released.
I decided the risk of puffing on my pv and having one of these glass tube blow up while I inhale isn't worth the risk.
Using fused quartz that has been annealed, and flame polished should be safe. Problem with that is even with a .3mm thickness it just isn't very efficient. See post below.
Just not an efficient producer of vaper, the best I could get was about 60% of the vaper compared to a regular genesis, and it gets very hot, so hot that you can actually burn yourself with the cap if you are a heavy vaperer. As a Physicist I won't get into all the different thermal and expansion forces going on in that small tube when you heat it, so lets just leave it at not efficient.
hmmm?......wonder if there is some rule you aren't allowed to quote from the co-op section outside of the co-op section? If so and a mod reads this please leave my post but remove the quotes I added from BJ43.
Thanks