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TOAUTO

TOAUTO High Purity Graphite Crucible, Metal Melting Ingot Mould for Gold Silver Brass Aluminum Furnace Casting Jewelry Tools

    • Based on 70 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, May 15
Order within 7 hours and 2 minutes
Available payment plans shown during checkout

Color: 3kg


Features

  • GROOVED GRAPHITE CRUCIBLE -- Grooved graphite crucible made of natural graphite with good thermal conductivity and high temperature resistance, and has a small thermal expansion coefficient during high temperature use. Specially designed for easy removal from the furnace say no to any metal waste.
  • LARGE COMPACITY -- 3KG / 334ML Capacity, can be melted 6.4KG gold,3.5KG silver,3KG copper,0.9KG aluminum. The use temperature is less than or equal to 1800 C, can melt alloys such as gold, silver, platinum, and other precious metals, smelting, casting metals.
  • WARM TIPS -- Pure graphite crucible can NOT be heating by carbon furnace or charcoal kiln. It will be oxidized and cracked; Pure graphite will start to oxidize at 752 F (400C). They withstand temperatures can be 3200 F if you use Air Electric Furnace. They withstand temperatures can be 5000 F if you use Vacuum or Gas Protection Furnace.
  • Long Service Life -- The surface of the graphite crucible has a special glaze layer and dense molding material, which greatly improves the corrosion resistance of the product and extends its service life
  • SLE-FREE AFTER-SALE SERVICES - All Products from the TOAUTO will be provided for 1-year warranty after-sales and lifetime technical support, and 30-day return. Premium after-sales service from a high-quality product, we take full responsibility for our promise.

Description

●Specifications● Name： Graphite Crucible Material：Graphite Operating Temperature：≤1800℃ Capacity：334ml Product Size：φ73mm&φ60mm170mm Product Weight：0.7kg ●Benefits for you● (1) The use temperature is less than or equal to 1800 ℃, can be used to melt gold, silver, copper, aluminum, iron, and other metals. (2) Good thermal and shock resistance. Good thermal conductivity. Fast heating speed. (3) The high density of graphite crucible makes the crucible have good thermal conductivity. (4) The surface of the graphite crucible has a special glaze layer and dense molding material, which greatly improves the corrosion resistance of the product and extends its service life. (5) 334ML capacity: 3KG copper can be installed. 6.4KG gold, 3.5KG silver, 0.9KG aluminum . ●Application area● Used in electric melting metal melting, copper, gold, aluminum, silver, etc. metal melting ●Technical Support● Note: This type of gold melting furnace is a special crucible for electric melting furnace. All Products from the factory will be provided for one year warranty after- sales and lifetime technical support. ●Shipping list● 1PCS 3KG Graphite Crucible ❤Don't hesitate to buy it now!❤


Product Dimensions: 2.87 x 2.36 x 3.94 inches


Item model number: GC-SG-SMGG-3KG


Item Weight: 13.7 ounces


Manufacturer: TOAUTO


Date First Available: May 18, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 15

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Similar Products

Top Amazon Reviews

    • Short life
Color: 3kg
I have purchased a couple. I can only get about 10 cycles out of them. I use them for copper.
Reviewed in the United States on January 6, 2023 by Nathalie Kuhn
    • Worth the price.
Color: 2kg
I didn't expect these to last very long, but I read up on crucibles, used the preventative and pre-use measures the industry experts advise and I was mildly satisfied. I have three different sizes of these and have used all three for a total of about 16 firings. The one most used has probably got 4-5 more firings left in it if I am careful. Still learning how to use them efficiently, but the most used crucible I pre treated with borax at a higher temp. that what I am using it for and it seems the (glazing effect?) of the borax (sealed the pores?) of the crucible making it easier to pour the molten metal. Like I said, I'm still learning but if there is a downside to these it seems that the upper part of the crucible loses heat extremely fast just before a pour making the molten metal solidify quickly. Other than the tall shape of these crucibles I believe I can overcome the solidifying issue with a little more experimentation. For the money, quality and quick shipping I believe, so far, that these are well worth the price paid. ... show more
Reviewed in the United States on March 20, 2021 by Amazon Customer
    • Works Great
Color: 2kg
The item itself seems to work great. I traded it off to a friend since I had no use for it. He says it is as good as the the ones that he had for a while now. Just a side note as to why I bought it.... I had ordered it as a combined offer with a discount with an electric furnace. The furnace which shipped separate never arrived. I won't blame Amazon like others do for shipping issues. UPS/FedEx/USPS was the problem as normal. I guess in the end it was for the best. It would probably be one of those things you buy and use once. Then you find it later and ask yourself why you spent the money on that. ... show more
Reviewed in the United States on March 13, 2021 by chibs
    • Quality crucible!!
Color: 1kg
This crucible is great! Very heavy solid and well made!! After 10 or so firings for 2-3 hours each there's no wear.
Reviewed in the United States on December 2, 2021 by Mike smith
    • DISAPPOINTING
Color: 1kg
Review Image by Coconut
Review Image by Coconut
Review Image by Coconut
Review Image by Coconut
Review Image by Coconut
I thought if a bought the same brand crucible as my furnace that it would be the same quality of the crucible that came with my furnace. It is not. The crucible that came with my furnace was pristine-- not a single nick or scratch. As you can see from this image, this crucible is covered with them. I will not buy from this vendor again. There are no overt cracks that I can see, so, it might be safe for low temp melts with the nicks and scratches, but I seriously doubt this will last long. Very, Very VERY, disappointing. ... show more
Reviewed in the United States on October 24, 2021 by Coconut
    • So far so good
Color: 1kg
So far it’s holding up well. Would buy again
Reviewed in the United States on February 22, 2021 by CP
    • As advertised
Color: 3kg
Well packaged, quality product. As advertised
Reviewed in the United States on September 26, 2021 by Bryce miller
    • Good Quality Graphite Crucible,Thick Sidewalls, Would definatly buy again. AAA+
Color: 3kg
Good Quality Graphite Crucible,Thick Sidewalls, Would definatly buy again. AAA+
Reviewed in the United States on December 30, 2020 by TacTec

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