🔥 Borosilicate Tubing for Glass Blowing - Pyrex Piece Review

We've tried regular canola oil, Wesson canola oil, and Wesson vegetable oil. In all three, the handset can still be seen. The Pyrex borosilicate glass should visibly disappear. These tubes are still clearly visible, so the diffraction of light is not the same as with oil. The tubes themselves could be useful for something else, the ends are plain (flamed I think) and have a silver sticker that says 'Made in China'.

I bought it maybe 2 months ago and have been buying the first ever since. The other 4 didn't even touch. I've been using the same one for two months and it's still in perfect condition and I drive like hell all day every day. You can make them hotter because the glass is thicker which makes it last longer. I can't imagine how much money I've saved on these items compared to buying one of the skinny roses every day for the last 2 months. 2.75 x 60 = $165. I highly recommend this.

Mostly used for either science projects or love roses or pens as they call it where I live. They are definitely thicker and all five were in excellent condition. I even accidentally dropped one when buying it when I opened it and hit the wooden floor without breaking or cracking. I only recently bought this so maybe they definitely haven't upgraded plastic but definitely borosilicate or at least stronger than cheap gas stations that just crack from heat. With them you can really vaporize and…