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package
Strong, non-deformable recyclable metal box. Fitted with cut-and-fit foam, the product is tightly wrapped. Greatly reduce the probability of damage caused by transportation.
Borosilicate Glass Tube
The chemical composition of borosilicate glass gives it strong resistance to hydrolysis and durability against aggressive substances. The low coefficient of expansion and excellent thermal shock resistance also add to its versatility, and the smooth surface also offers impressive scratch resistance.
Customer
Reviewed in the United States on July 1, 2024
Great for my DIY aromatherapy accessory usage. Good size for holding the herbs, after a little torch work on one end. Both ends were fire-polished on arrival, nice! Survived a few drops onto cement, so far. When the tube finally shatters, there are more to put into service. Nice tin box as well. From working with a tube, I'm confidant these are really borosilicate glass. Sorry, no picture!
Alicia Albert
Reviewed in the United States on April 29, 2024
They are breakable but still sturdy enough. They last long. And works well.
EJ
Reviewed in the United States on September 27, 2023
5 or 6 protected with good padding in a tin. Good gift. I use for art projects but there's probably a hundred uses.
Nacho
Reviewed in the United States on September 2, 2023
They worked for what I needed!
RM
Reviewed in the United States on June 10, 2023
This product are 5" long not 4".
Malia B.
Reviewed in the United States on May 20, 2023
If you are on the fence because you've gotten bad ones before... buy this one! They came in a metal box with cushion. It's been a week and still haven't broken after being dropped on the floor a few times.... well worth the price!!!
Benjamin Shroyer
Reviewed in the United States on January 10, 2023
True boriscillicate glass that is far thicker than I had expected. Don't expect to move this with a standard propane torch easily..very very pleasedThis glass is thick and well produced all pieces arrive entirely in tact and survived literally throwing the box across the room just to see how well it was packaged. Actually I threw one of the pieces straight into a wooden wall and it survived no problem. I have been very pleased with this glass. It did take some insulating refractory and to fire up my forge to move it to shape I needed but that just proves it's durability
Alexis Copeland
Reviewed in the United States on December 17, 2022
one was broke
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