Best Lab Corks
Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Set contains 100 corks.
Reviews
Find Best Price at Amazon"There's not much to say about them...they're corks and do what their needed for."
"Good Quality and quick shipment."
"These are great!"
"Very small."
"Nice range of sizes."
![Jelinek Cork 19.5mm Agglomerated Tasting Cork with a Black Plastic Top [Bag of 50]](https://images-na.ssl-images-amazon.com/images/I/61P3r-%2BRufL._SS600_.jpg)
This stopper is ideal for those who wish to use a real cork but want a lower cost alternative than a solid natural cork. Agglomerated tasting corks with a black plastic tops.
Reviews
Find Best Price at Amazon"Corks seem of good quality."
"Very happy with the purchase of this corks, but unhappy with the price, paying difference price every time that I place a order, 1er order 13.99 ,18.99 now $25 😳."
"Good product and quick service."
"It took this long for me to figure out that these are defective but now I can't ask for a return because its past the deadline; I bought a total of 3 bags with two orders."
"The corks are decent quality - HOWEVER - they are very inconsistent in size."
Unlike petroleum, gas, coal and other diminishing natural resources, cork is the outer bark that grows on replenish-able, renewable, inexhaustible evergreen oaks known by the Latin name Quercus (oak) Suber (cork).
Reviews
Find Best Price at Amazon"Size measurement is at the top larger end so they were not good for what I wanted."
"Nice corks, not as "heavy duty" as I would have liked."
"Size was correct and accurate, cork was of good quality/left no gaps when sealing the container, and the parcel arrived on time."
"I am glad to be able to find just the right size cork for my handmade ceramic toiletries bottles."
"These were the corkiest of all the corks."
"Not reccomended if you wanted to use these with drinking water jugs, when wet they started to leak brown liquid into my water."
Best Lab Cap Plugs
These caps are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. F217 and Teflon lined caps - Foam backed Teflon PTFE liners resist attack from virtually all chemicals at room temperature and provides resilience for a tight seal with a low moisture transmission rate.
Find Best Price at AmazonBest Lab Rubber Stoppers
Number of Items: 1. Enter your model number to make sure this fits.
Reviews
Find Best Price at Amazon"Also, I reamed until the top of the step drill leveled out with the top of the stopper, then turned the stopper over and reamed the bottom of the hole quite a bit."
"Great buy and works great."
"Delivered as expected."
"Works great for our laboratory, arrived safely."
"Fit my yeast starter beaker just fine."
"Much harder than I expected."