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RotoMetals Gallium Metal 99.99% Pure 100 Grams

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4.5 719 ratings

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$63.99

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Gallium 99.99% Pure 100 Grams by RotoMetals Inc 1 Unit

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Product details

Is Discontinued By Manufacturer ‏ : ‎ No
Package Dimensions ‏ : ‎ 8.5 x 8.5 x 4.3 inches; 3.53 ounces
Item model number ‏ : ‎ rm100gafba
Date First Available ‏ : ‎ July 21, 2011
Manufacturer ‏ : ‎ U First
ASIN ‏ : ‎ B005DRQRZM

Best Sellers Rank: #232,513 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #104 in Specialty Metal Raw Materials

Customer Reviews:
4.5 719 ratings

Product Description

99.99% Pure Gallium Metal in 100 gram quantity

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Customer reviews

4.5 out of 5

719 global ratings

How customer reviews and ratings work

Customers say

Customers like the quality, playability, and value of the gallium. For example, they mention it's a very cool element, fun to play with, and great value for money. That said, some complain about the ease of cleaning, saying it can stain things and make your hands dirty. Opinions are mixed on ease of melting.

AI-generated from the text of customer reviews

116 customers mention107 positive9 negative

Customers are satisfied with the quality of the crystal making kit. They mention that it's a very cool element to play around with, very pure, and interesting. Some say that it makes a nice conversation piece or desk trinket.

"...This is great for experiments and explaining to students how crystal structures and bonds can be altered, not so great for aluminum work surfaces,..." Read more

"What’s to say? It’s pure gallium, it melts and can be played with.As other reviews have stated, this stuff is VERY MESSY!!!..." Read more

"...This is fascinating stuff. Does roll around in your hand like mercury, although this seems denser...." Read more

"...But really in the end, this is just nitpicking. This is a great, high quality product and I would definitely buy from this company again and..." Read more

77 customers mention77 positive0 negative

Customers find the metal fun to play with and experiment with. They also say it's messy but cool to play and hold in your hand. Customers also mention it'll melt and is a great hands-on learning tool for kids.

"...It is fun stuff to work with, and can provide hours of fun. Great for making little figures and objects especially if you already have molds...." Read more

"What’s to say? It’s pure gallium, it melts and can be played with.As other reviews have stated, this stuff is VERY MESSY!!!..." Read more

"...This stuff is fun to play with but BEWARE! GALLIUM IS MESSY. It has strong wetting properties and is very soft when liquid...." Read more

"...Watery, liquified metal.Non-Toxic. Fun to play with...." Read more

46 customers mention38 positive8 negative

Customers like the value of the tools. They say it's a great buy, and better than spending money on candy. Some customers also mention that the seller is great.

"...Totally awesome amount at 100 grams. Well worth the extra dollars from the smaller quantities." Read more

"This was a great value for the product...." Read more

"Good product , each valve marked with name and mass. Got extra 3 carbon cubes (Free? - Ad. ? )..." Read more

"Great product, doesnt come in the white pill bottle, but I got a spare one, and for all the people without a clue on how to get it out, submerse the..." Read more

33 customers mention21 positive12 negative

Customers are mixed about the ease of melting. Some mention that it melts with heat from their hand, and will solidify after it cools. However, others say that it doesn't melt at hand temperature or at 90 degrees as they've read before ordering. It melts slow and gets your hand dirty.

"What’s to say? It’s pure gallium, it melts and can be played with.As other reviews have stated, this stuff is VERY MESSY!!!..." Read more

"...Secondly, you can't melt it using traditional methods like a stove or fire because the container is plastic...." Read more

"...It's heavy for its size. Melts easily in the vials it's packaged in. Super funky stuff, like you're playing with T-3!!..." Read more

"...I really do like Gallium- it's fun to watch it melt in your hand, and just as much fun to realize this is one of the few metals that will! :-)..." Read more

55 customers mention7 positive48 negative

Customers find the cleaning of the product to be difficult. They mention that it sticks to surfaces and leaves residue behind. Some say that the product contains impurities in it that can stain hands and fingers.

"...This means it will stick to most surfaces and can leave residue behind...." Read more

"...As other reviews have stated, this stuff is VERY MESSY!!!..." Read more

"DO NOT STORE IN GLASS. GALLIUM IS MESSY. (Further details in comments)Shipping take about a week, maybe a few days longer...." Read more

"...Caution: Leaves traces of itself on anything it touches. MAY DISCOLOR OTHER METALS, SO WATCH THE STAINLESS SINK, FAUCETS, KITCHENWARE AND NICE..." Read more

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Amazon Customer

Gallium. A solid time for molten fun!

Reviewed in the United States on February 8, 2016

Verified Purchase

Came in the bottle shown in the photo. The metal was clean, free of slag and does what gallium should do. If you're looking for mercury style metal, you don't want gallium. It wets everything, it will not bead up like mercury does. This means it will stick to most surfaces and can leave residue behind. Use disposable gloves because it will leave a grey residue on your hands.

Just about any nonstick surface will have the same issue. Dont use cookware glass because it has tiny cuts and marks that the gallium will find and stick into. It's best to work with it while its under water. A warm bowl of water will not only help keep it liquid longer, but makes the metal bead more, like mercury would.

It is fun stuff to work with, and can provide hours of fun. Great for making little figures and objects especially if you already have molds. A soldering iron makes quick work of sculpting a finished solid project and removing sprues.

YES it will melt in your hand NO its not super fast but YES it feels sooo cool!

KEEP AWAY FROM ALUMINUM! If in contact with molten gallium, the aluminum will become VERY brittle. This is great for experiments and explaining to students how crystal structures and bonds can be altered, not so great for aluminum work surfaces, watches, electronics and vehicles. There is a reason you can's ship this stuff via air!

21 people found this helpful

Helpful

Eric

Kids had fun experiencing real science

Reviewed in the United States on December 30, 2017

Verified Purchase

What’s to say? It’s pure gallium, it melts and can be played with.
As other reviews have stated, this stuff is VERY MESSY!!! If you’re getting it for kids, I suggest you act like you’re about to let them play with a mound of graphite dust and you’ll be okay. (Gloves, paper on the table, paper plates, etc. Outside is good if it’s an option!)
To me that’s just part of experiencing something so cool, and honestly I think it helps the kids learn from it. It’s not just cool liquid metal they saw on YouTube; it’s real, it leaves a residue, and that’s part of it. (Also great time to point out how YouTube vids selectively edit, and never share the boring details about mess, etc.)
All in all, my kids love it. We use mugs of hot water to melt it, and we keep a wood burner tool nearby for quick re-melts. If it sounds like a lot of work, it is. This is NOT an undirected play toy. Not unless you’re okay with a dark/grey sheen all over your kids, floor, tables pets, and plates, that is.

11 people found this helpful

Helpful

Rachael

Excellent product.

Reviewed in the United States on December 29, 2016

Verified Purchase

The Gallium arrived exactly as pictured and quite some time before the estimated arrival date. I ended up sitting the tube next to the heater for a while to get it to melt enough to come out of the tube. I moulded it into little tiny buttons (with a silicone candy mould) and let the kids melt them. This is fascinating stuff. Does roll around in your hand like mercury, although this seems denser. Been 20 years since I rolled mercury around in my hand though. It will turn your hand black but it does wash off with soap and water.

A word of caution... do not leave the closed tube in your pocket. I had the extra closed tube in my hoodie pocket, forgot about it and hubby put it in the wash. Of course he doesn't separate anything and it was a load of white towels and some lighter weight whites and an orange hoodie. Now, with the heat of the water the gallium melted and every piece of fabric was now coated with it. He proceeded to place these items in the dryer. Now it was deep in the fabric. I was able to get the gallium out by washing small loads in very hot water using non chlorine bleach. The greyness did come out and the fabric seemed to have lost all the gallium.

23 people found this helpful

Helpful

Hal Nolastname

Fun stuff. But keep in mind that this metal ...

Reviewed in the United States on April 6, 2016

Verified Purchase

Fun stuff. But keep in mind that this metal really likes to stick to your hand when melted and getting it all the way off is pretty hard. I won't review this product any worse than I normally would for that, as that's just how gallium is. The reason for 4 stars is that it could be in a better container. I couldn't find Gallium anywhere else (and especially not at that great price!) so I went with this. The bottle that it comes in is extremely hard to work with.

First of all, you can't just get it out of the container and start playing with it. It will get stuck in the neck. Even if they didn't package it to fill up the entire bottom, it will inevitably melt on its way to you and fill the bottom, causing it to be stuck below the bottle neck.

Secondly, you can't melt it using traditional methods like a stove or fire because the container is plastic. You need to run it under hot water for a long time in order to get even a little bit out of the container. And you can't submerge it in hot water because the bottle isn't waterproof.

Lastly, the container is basically useless once you get all of your gallium out, because you'll never want to go through that process again. I just really wish it was in a metal bottle with no bottle neck.

But really in the end, this is just nitpicking. This is a great, high quality product and I would definitely buy from this company again and recommend them to anybody looking for a recommendation.

23 people found this helpful

Helpful