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7 Pcs Borosilicate Glass Tube 12mm OD 2mm Thick Glass Blowing Tubes with Cleaning Brush (4.5 Inch)

5.0 (2) Write Review
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$6.99

$ 2 .99 $2.99

In Stock

About this item

  • 100% cosmetic inspection of eachindividual tube favours high yieldrates all along the value chain.
  • A low coefficient of expansion ensures a high temperature resistance, as well as thermal shock resistance.
  • The chemical composition of borosilicate glass provides it with a strong hydrolytic resistance and durability to corrosive substances.
  • A low coefficient of expansion and exceptional resistance to thermal shock also adds to its versatility, while its smooth surface offers impressive scratch resistance.


Product Description

glass tube
Glass straw
3
4
5

Bruce
Reviewed in the United States on March 8, 2025
These are great little glass tubes that are extremely useful for tons of different uses. Can be used as shipped or if ya want you can try and make them into something cooler. Either way it's strong quality glass that holds up well to being heated. Pretty good price compared to my local headshops
Lisa
Reviewed in the United States on March 2, 2025
We use these as stirring rods in the lab. They come with a cleaning brush ideal for the size of the tubes.Being borosilicate glass, they don’t scratch easily and are tough, resisting high heat, which is important working in the lab with high heat.