NATIONAL GEOGRAPHIC Rock Tumbling Media – GemFoam Reutilizável Rock Polisher Foam, Use após Rock Tumbling Grit Cycles, adiciona brilho a rochas e minerais caídos, Rock Tumbling fornece nova espuma de polimento

Brand:NATIONAL GEOGRAPHIC

3.7/5

38.58

SATISFAÇÃO GARANTIDA - A série STEM da National Geographic oferece produtos de alta qualidade que são muito divertidos! Se a sua experiência não for nada extraordinária, informe-nos para que possamos fazer o certo para você. MELHORE FACILMENTE SEUS RESULTADOS DE TUMBLING DE ROCHA - Quando o ciclo final de queda de pedra estiver completo, adicione GemFoam, água e as pedras que você gostaria de polir de volta ao copo e bata até 3 dias. As rochas sairão com polimento e brilho!. FUNCIONA COM QUALQUER POLIDO DE ROCHA - GemFoam é seguro para usar com qualquer copo durável. Para obter melhores resultados, use com nossa linha National Geographic de copos e materiais de queda de rocha, como nossa mídia de cerâmica, cascalho de queda e pacotes de recarga de rocha. UM POUCO VAI LONGE - Adicione um pacote de GemFoam ao seu arsenal de pedras e use-o para vários projetos de pedras. GemFoam é reutilizável para até 6 ciclos de polimento de rocha e vem com uma bolsa reutilizável conveniente feita de malha para fácil armazenamento. UMA NOVA MANEIRA DE FAZER AS ROCHAS CAÍDAS BRILHAREM – GemFoam é uma nova mídia de polimento de rocha exclusiva que dá brilho sem precedentes às pedras caídas. Basta adicionar a mídia de polimento de rocha com patente pendente ao seu copo após o ciclo final de granulação para obter ótimos resultados!

SATISFAÇÃO GARANTIDA - A série STEM da National Geographic oferece produtos de alta qualidade que são muito divertidos! Se a sua experiência não for nada extraordinária, informe-nos para que possamos fazer o certo para você. MELHORE FACILMENTE SEUS RESULTADOS DE TUMBLING DE ROCHA - Quando o ciclo final de queda de pedra estiver completo, adicione GemFoam, água e as pedras que você gostaria de polir de volta ao copo e bata até 3 dias. As rochas sairão com polimento e brilho!. FUNCIONA COM QUALQUER POLIDO DE ROCHA - GemFoam é seguro para usar com qualquer copo durável. Para obter melhores resultados, use com nossa linha National Geographic de copos e materiais de queda de rocha, como nossa mídia de cerâmica, cascalho de queda e pacotes de recarga de rocha. UM POUCO VAI LONGE - Adicione um pacote de GemFoam ao seu arsenal de pedras e use-o para vários projetos de pedras. GemFoam é reutilizável para até 6 ciclos de polimento de rocha e vem com uma bolsa reutilizável conveniente feita de malha para fácil armazenamento. UMA NOVA MANEIRA DE FAZER AS ROCHAS CAÍDAS BRILHAREM – GemFoam é uma nova mídia de polimento de rocha exclusiva que dá brilho sem precedentes às pedras caídas. Basta adicionar a mídia de polimento de rocha com patente pendente ao seu copo após o ciclo final de granulação para obter ótimos resultados!
Country of Origin China
Customer Reviews 4.7 4.7 out of 5 stars 13,066 ratings 4.7 out of 5 stars
Item model number NGFOMBAG
Item Weight 3.52 ounces
Manufacturer JMW Sales, Inc.
Manufacturer recommended age 8 years and up
Product Dimensions 4.72 x 1.18 x 7.28 inches
Release date July 15, 2020

3.7

13 Review
5 Star
79
4 Star
13
3 Star
5
2 Star
1
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2

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Scritto da: benjamin
great after the starter set
I bought a national geographic rock tumbler for my son. it came with a little packet of each of the grits - enough for 1 batch of rocks. I then bought this kit, and there is a ton of grit in here! Im guessing we can do at least 20-30 batches, if not more. will probably outlast his interest in the hobby :)
Scritto da: christina
Good quality
Comes with a good amount of stones to tumble , has enough grit do several batches, I wish that Fort was more of a polishing material versus a finer grit.
Scritto da: Joey B.
Nice size
Will be able to use for many polishing sessions
Scritto da: gertey
Just as described
Exactly what was needed to keep us rock tumbling. Enough grit to do many more loads of rocks.
Scritto da: Douglas Perry
Polished Agates everywhere
This 4 grit set is perfect for 2 1/2 lb tumblers. Rock shops have it but this is so good I couldn't pass it up.
Scritto da: Flame
Makes rocks shiny
Does exactly what I needed it to! The rocks look great. Instructions are clear
Scritto da: A
Works
Works as expected, satisfied with pr\urchase
Scritto da: Kev
The foam does what the step 4 grit should have done
First and foremost this review is for the foam pieces. I noticed the reviews are all mixed for different National Geographic rock tumbling products I am very pleased with the foam to use after step 4 which as others have stated left the rocks or minerals still very dull not shiny, this got the job done. Just use it after step four if you were using National Geographic grit as instructions suggest. I am also getting a better step 4 from another brand to compare that with the foam to see if it does better or the same as foam but as for now I am very pleased. Here in this photo I tumbled a chert in the foam after Nat geo 4 step. Chert is the stuff you commonly see in Some concrete It has a hardness of seven I'm thinking that at least for the foam anyway the harder the rock the better they shine like this one does quite well. I am currently tumbling a less hard rock serpentinite with hardness of four or five and it’s not getting quite as shiny but I think it’s still better than before, I am letting it tumble longer. So Basically if it’s a six or seven or harder it will shine better using these whereas step four did nothing using National Geographic. It’s cool that these rocks in the photo came from my backyard doesn’t look like something from a backyard once you shine them up like this pretty cool Update: The pictured rocks turned out amazing, however the serpentinite never got shiny. My conclusion is that these foam pieces only work for harder rocks that are somewhat smooth to begin with. The rocks in this photo were somewhat smooth to begin with but not shiny the foam without a doubt made a huge difference the light did not bounce off them like it does now also they are now silky smooth as opposed to somewhat smooth. So if you use these bear in mind they will only work for harder somewhat smoother rocks. I did use a better step 4 for my serpentine and I still see no difference so just like with the foam I think some rocks are just not going to shine as well as others. The foam still gets a five star for what it did to that chert though and you do need to go the full 3 days of tumbling because after day one I saw no results. A total of five days in the foam wouldn't hurt either I was pleased with 3 though.
Scritto da: derek
Product arrived as advertised
Came with everything we needed to start my daughter’s new hobby, works great, supplied stones look great after they were tumbled and polished. I recommend this to anyone who is thinking about getting into rock polishing.
Scritto da: caro
super pour la finition
facile a utiliser apres avoir utiliser mon 1200 grit
Scritto da: jon
A different idea of polished!!!
I didn’t realise that in the US the use of the term “polished”, actually gives a finish that is closer to a satin finish, than it is to a polished finish. And so I will have to buy some cerium oxide powder to get a truly polished finish.
Scritto da: Anne M.
Great stuff
excellent product, my son is just starting out on his lapidary hobby, and this set of grits and polish is just perfect to keep him going for the next few months.Theres plenty of powder,so it should do a lot of rocks Quick delivery very well but not overly packaged. definitely recommend this product and company. Many thanks, happy son, happy parent.
Scritto da: OGendall
Attention rock hound newbies
This kit is an excellent value for a rock hound newbie!

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