- 6-inches Tall or 150mm
- .62 inch wide or 20mm
- Volume: 36ml or 1.27 fluid ounces
- Heat Tempered Pyrex Glass
- Includes Rubber Stoppers
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10 Pack - 20x150mm Pyrex Glass Test Tubes with Rubber Stoppers
|Price:||$9.98 ($1.00 / Item) & FREE Shipping on orders over $25. Details|
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Specifications for this item
|Number of Items||10|
|Brand Name||Karter Scientific|
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Karter Scientific® is a registered trademark in United States of America. To maintain quality control, authorized permission is required in the resale of our products. These disposable PYREX® glass round bottom test tubes are packaged for your convenience in easy-to-open, easy-to-use bulk packs. They are made of borosilicate glass to reduce pH changes and contaminants potentially leached from soda-lime glass.
Top customer reviews
ORIGINAL POST FOLLOWS:
These are extremely delicate and thin.
The corks have a very strong rubber smell like brand new car tires :)
Purchased 10 as described in the listing... 3 were broken in the shipment and resulted in thousands of tiny shards throughout the packet.
The glass is extremely thin and I constantly worry about breaking one just putting the rubber stoppers in place. I am on the hunt for stronger glass test tubes.
We were taking pond samples and just tapped one on a rock, not only did it break, but too many pieces to recover completely.
I actually cannot recommend these test tubes.... down to 6 tubes of the original 10. Need something with a stronger temper.
The test tubes are taller than I anticipated, so next time I order I will order shorter ones, but there is nothing wrong with these.
I like the stopper on the top so what is in the test tubes will not spill. A ten pack is just perfect. There was no breakage in the shipping which made me smile too!10 Pack - 20x150mm Pyrex Glass Test Tubes with Rubber Stoppers
First time I bought them they cam responsibly packed and nothing broken. This time they came all wrapped up together with no protection between the delicate tubes, and several were broken (I ordered 2, and both packages had broken tubes, and lots of bits of glass in several of the rubber caps, which I had to dispose of).
Four Stars is for the product. Its a good product. I am sooo disappointed with the change in packaging.
These are nice quality test tubes for my purpose. The stoppers can be a tad tough to open. Do not use a killer grip and just work it gently out. One reviewer said he broke one trying to get the stopper out. I was aware and took care. Your poem of the day, ha-ha.
Anyway, I had a lot of fun filling these with different spices and then used the label machine to make the labels. Looks nice in my cabinet. I am going to do the same thing for the RV only with plastic.
These test tubes came wrapped nicely in bubble wrap. The only breakage I incurred was when I dropped one on my stone tile floor. That was expected.
oh... (you say) he must have dropped them or miss-handled them in some way!
nope, all three broke while removing the rubber plug, and mind you the plug was only lightly pressed in, it is not like I crammed the plug in there and was pulling too hard to get it out, these break SOOOOOO EASY!!!!!!!