00:00If you've ever pulled a crucible out of a furnace and found it cracked, slumped, or fused to whatever you
00:04were melting, you already know that cheap ceramic is expensive in the long run.
00:09I've spent the last couple weeks digging through listings, reviews, and spec sheets to find the best deals on Illumina
00:14crucibles for high-temperature labs, and I narrowed it down to 5 that are genuinely worth your money.
00:20Let's get into it.
00:22Starting off, we've got a 10-pack of 99% Illumina cylindrical crucibles with lids, and honestly this is the
00:28one that surprised me most.
00:31$4.73
00:33For 10 of them.
00:35With lids included.
00:37That works out to under $0.50 per crucible, which is basically disposable pricing for something rated to handle serious
00:44heat and corrosive melts.
00:46Nearly $4,900 sold and a perfect 5-star rating tells you people aren't just buying these once.
00:52If you're running student labs, doing repeat ashing work, or you just want a stash on the shelf so a
00:57cracked crucible never stops your afternoon, this is the easy pick.
01:01Next up is the high-purity 99% Illumina crucible with a threaded lid, sitting at $15.95.
01:08That threaded lid is the whole story here.
01:11Instead of a loose cap that shifts when you're transferring with tongs or that lets vapor escape unevenly, this one
01:16screws down and stays put.
01:18That matters a lot for controlled atmosphere work, sublimation, and anything where you're trying to keep volatiles contained.
01:25$4,800 sold with a 4.7 rating, and the people buying these are clearly using them and real furnace
01:31work.
01:32If your process depends on a proper seal, spend the extra few dollars.
01:37Third, we've got the 16-by-56-millimeter, 6-milliliter crucible with lid, made from 99.5% Illumina Corundum.
01:46$6.36
01:49What I like here is the purity bump and the tall, narrow profile.
01:53That skinny cylindrical shape is perfect for tube furnaces, small sample volumes, and situations where you need the material to
02:00sit deep rather than spread out.
02:01Six mils isn't much, but for analytical work, that's exactly the point.
02:07$4,500 sold, 4.7 stars.
02:11It's a specialist tool at a completely reasonable price.
02:15At number 4 is the larger version of that threaded lid crucible, coming in at $23.11.
02:21Same 99% Illumina, same screw-down design, just scaled up for bigger batches.
02:26This is the one you buy when you've outgrown the small stuff and you're melting larger sample masses or running
02:32longer cycles.
02:33Yes, it's the priciest on this list, but you're paying for capacity and for a lid system that actually holds.
02:40Over $4,000 sold at 4.7 stars.
02:43If you're doing production-adjacent work rather than benchtop testing, this is the sensible upgrade.
02:49And rounding out the list, the 99% Illuminous Cylindrical Crucible with a Domed Lid at $1,195.
02:56The domed lid is a nice bit of engineering.
02:59It gives you extra headspace so bubbling or expanding material doesn't immediately contact the lid, and it sheds condensate back
03:06down the sides instead of pooling.
03:09Corundum Body, built for repeated high-temperature melting cycles.
03:13$3,800 sold and the second-highest rating on this list at 4.8 stars.
03:18For $12, it's a really well-balanced middle option.
03:22All 5 links are down in the description, so go grab whichever one fits your setup.
03:28If this saved you some time, hit that like button and subscribe.
03:32I've got more Labgear breakdowns coming.
03:35Thanks for watching.
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