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Best Lab Crucibles - Buying Guide

Last Updated: 01/18/2019

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Bestselling Lab Crucibles on Amazon

  1. #4-8 Kg Foundry Clay Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Coppe...
  2. Lucksender 40*40mm Graphite Crucible with Lid Lab Supply Articles
  3. KKmoon High-purity Melting Graphite Crucible for High-temperature Gold and Silver Metal Smelting Tools
  4. Eisco Labs Porcelain Crucible with Lid, Tall Form, 30mL Capacity
  5. KKmoon 5PCS Heat-Resistant Ingot Mold Casting Tool Smelting Gold Silver Furnace Kit Scrap Jewelry Me...
  6. CynKen Quartz Silica Melting Crucible Pot For Gold Silver Platinum Refine 250g
  7. Melting Dish Casting Crucible Tool Ingot Mold
  8. CoorsTek 60110 Porcelain Ceramic High Form Crucible, 100mL Capacity, 65mm OD, 54mm Height (Case of 24)
  9. American Educational High Form Porcelain Crucible with Lid, 10mL Capacity (Bundle of 10)
  10. CoorsTek 60109 High-Form Crucible, Porcelain; 50 mL, 53 mm top OD, 43 mm H, pk of 12

  #1

#4-8 Kg Foundry Clay Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum

Model: RJS-444   |    Mpn: RJS-444   |    PartNumber: RJS-444   |   Asin: B0757X33KT

Graphite Foundry Crucibles are made from a combination of graphite and clay, and are recommended for melting your precious, or non-precious metals and can handle large batches of material. Their thick inner walls can handle direct heat and open flame foundries. They can be used with our propane melting furnaces as well as a standard torch method. Rated to withstand temperatures up to1560 F - 2912 F - (850 C - 1600 C). Custom size crucibles are also available upon request. **Heavy Duty Crucible Tongs Available in our Amazon Store**. We always combine and reduce shipping on multiple purchases. Outside Dimensions - 5.25" Dia. x 5.75" Length - Inside Dimensions - 4.25" Dia. x 5" Dept

Features

  • Outside Dimensions - 5.25" Dia. x 5.75" Length - Inside Dimensions - 4.25" Dia. x 5" Depth
  • Designed for Melting Gold, Silver, Copper, Brass, Aluminum, and more
  • They can be used with our propane melting furnaces as well as a standard torch method
  • Designed and Manufactured for Five Star Savings
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Brand: Rosenthal Collection   |   Manufacturer: RJS

Package Dimensions: 6.2 x 6.2 x 7.1 inches (15.7 x 15.7 x 18.0 cm)

Amazon Price: $29.50 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $29.50

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  #2

Lucksender 40*40mm Graphite Crucible with Lid Lab Supply Articles

 Ean: 0600004386805   |    PartNumber: 43237-2   |   Asin: B010EXHYDS

Description
40*40mm Graphite Crucible with Lid Lab Supply Articles

The graphite crucible has good thermal stability, suitable for emergency heat or cold usage condition.
Excellent corrosion resistance, impact resistance, acid resistance and alkali resistance.
The graphite crucible has good thermal conductivity properties, it can greatly shorten the melting time and saved energy.
The ash of graphite crucible is less than 0.1%, to ensure that the precious metal in the smelting is not contaminated.
It can melt gold, silver, platinum and other precious metals and other alloys with long service life.

Specifications
Material: Graphite
Inner Diameter: 30mm
Outer Diameter: 40mm
Inner Height: 35mm
Outer Height: 40mm

Note
Plase allow a bit hand measuring error.

Package included
1 x Graphite Crucible

Features

  • Material: Graphite
  • Inner Diameter: 30mm
  • Outer Diameter: 40mm
  • Inner Height: 35mm
  • Outer Height: 40mm
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Brand: Lucksender   |   Manufacturer: Lucksender

Package Dimensions: 2.1 x 6 x 9 inches (5.3 x 15.2 x 22.9 cm)

Amazon Price: $8.99 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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  #3

KKmoon High-purity Melting Graphite Crucible for High-temperature Gold and Silver Metal Smelting Tools

 Ean: 0797566411813   |    PartNumber: DOB0725336014744NZ   |   Asin: B07BC9V7BS

Non-stick pan when smelting metal, long service life, no loss of precious metal. Features: Well thermal stability: according to the using conditions of graphite crucible snap heat and cold. Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality. Well resistance to strong acid, strong alkali. Good heat transfer performance of graphite crucible: for greatly shorten the melting time and save energy. And certain strain resistance to the thermal shock, quenching. Long service life. Specifications: Main material: graphite The weight of gold that can be loaded: 1KG, 2KG, 3KG (optional) The inner diameter of the crucible: 1kg: 38mm 2kg: 44mm 3kg: 50mm The outer diameter of the crucible: 1kg: 50mm 2kg: 55mm 3kg: 60mm The outer diameter of the large ring: 1kg: 65mm 2kg: 72mm 3kg: 75mm The inner height: 1kg: 115mm 2kg: 140mm 3kg: 150mm The outer height: 1kg: 125mm 2kg: 155mm 3kg: 170mm Item weight: 1kg: 140g / 4.9oz 2kg: 330g / 11.6oz 3kg: 360g / 12.7oz Package size: 1kg: 15 * 10 * 10cm / 5.9 * 3.9 * 3.9in 2kg: 17.5 * 10 * 10cm / 6.9 * 3.9 * 3.9in 3kg: 20 * 10 * 10cm / 7.9 * 3.9 * 3.9in Package weight: 1kg: 160g / 5.6oz 2kg: 350g / 12.3oz 3kg: 380g / 13.4oz Package list: 1 * Graphite Crucible

Features

  • Well thermal stability: according to the using conditions of graphite crucible snap heat and cold.
  • Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality.
  • Well resistance to strong acid, strong alkali.
  • Good heat transfer performance of graphite crucible: for greatly shorten the melting time and save energy.
  • And certain strain resistance to the thermal shock, quenching.
  • See more on Amazon...

Brand: KKmoon   |   Manufacturer: KKmoon

Package Dimensions: 4.72 x 7.95 x 8.7 inches (12.0 x 20.2 x 22.1 cm)

Amazon Price: $28.99 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $28.99

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  #4

Eisco Labs Porcelain Crucible with Lid, Tall Form, 30mL Capacity

 Ean: 0849230013417   |    PartNumber: CH0074D   |   Asin: B00IUZ9GRK

A standard lab crucible to be used in high temperature experiments.

Features

  • Crucible for basic laboratory use to heat chemical compounds
  • Constructed of glazed porcelain for strength, thermal performance, and enhanced chemical resistance
  • Can withstand temperatures up to 1900 F (1050 C)
  • Tall form body with lid
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Brand: EISCO   |   Manufacturer: EISCO

Item Dimensions: 5 x 5 x 5 inches (12.7 x 12.7 x 12.7 cm)   |   Package Dimensions: 2.1 x 3.1 x 4.1 inches (5.3 x 7.9 x 10.4 cm)

Amazon Price: $6.60 | as of 01/18/2019(11:07am pst)
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List Price: $6.60

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  #5

KKmoon 5PCS Heat-Resistant Ingot Mold Casting Tool Smelting Gold Silver Furnace Kit Scrap Jewelry Metal Gold Melting Refining Forge Set Graphite Foundry Crucible for Melting Chemical Experiment

 PartNumber: FUD0403104631730KU   |   Asin: B078STXSHJ

Features: Five pieces of a set, including crucible dish, tongs, borax, graphite stirring rod and graphite crucible. Using modern ceramic processing technology and fused silica as main raw material, the crucible has great thermostability, high purity, high strength, corrosion and shock resistance. Borax - the basic raw materials of boron compounds, almost all of the boron compound can be made by borax. Stirring rod - helps you get a uniform mixing while melting. Graphite crucible - great thermostability, thermal conductivity, corrosion resistance and shock resistance. Tongs - used to clamp the graphite crucible in hyperthermal condition. Specifications: Including: crucible dish, tongs, borax, graphite stirring rod and graphite crucible Crucible size: 6.2 * 6.2 * 2.1cm / 2.44 * 2.44 * 0.83in Crucible weight: 36g / 1.27oz Tongs size: 23.6 * 8.5 * 0.5cm / 9.29 * 3.35 * 0.2in Tongs weight: 99g / 3.49oz Stirring rod size: 15.1 * 0.7cm / 5.94 * 0.28in (height * diameter) Stirring rod weight: 7g / 0.25oz Graphite crucible size: 5.8 * 4.3 * 1.2cm / 2.28 * 1.69 * 0.47in Graphite crucible: 45g / 1.59oz Borax weight: 31g / 1.09oz Package size: 30 * 30 * 5cm / 11.81 * 11.81 * 1.97in Package weight: 225g / 7.94oz Note: Please allow 1-2cm differences due to manual measurement. Thank you! Package List: 1 * Crucible 1 * Tongs 1 * Borax 1 * Graphite Stirring Rod 1 * Graphite Crucible

Features

  • 100% brand new and high quality.
  • Five pieces of a set, including crucible dish, tongs, borax, graphite stirring rod and graphite crucible.
  • Using modern ceramic processing technology and fused silica as main raw material, the crucible has great thermostability, high purity, high strength, corrosion and shock resistance.
  • Borax - the basic raw materials of boron compounds, almost all of the boron compound can be made by borax.
  • Stirring rod - helps you get a uniform mixing while melting.
  • See more on Amazon...

Brand: KKmoon   |   Manufacturer: KKmoon

Package Dimensions: 1.97 x 11.81 x 11.81 inches (5.0 x 30.0 x 30.0 cm)

Amazon Price: $15.99 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 1-2 business days
List Price: $15.99

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  #6

CynKen Quartz Silica Melting Crucible Pot For Gold Silver Platinum Refine 250g

 Ean: 6900101358021   |    PartNumber: V51   |   Asin: B06XJ153Q1

Description:
Material:quartz
Quantity:1pcs
Size:
Diameter Depth Thickness Capacity
70mm 30mm 6mm 250g
86mm 40mm 6mm 500g
90mm 30mm 6mm 750g
102mm 40mm 6mm 1000g

Feature:
Quartz silica melting crucible
Produced by modern ceramic processing technology
High orrosion resistance and strength,the temperature resistance up to 2800 /5072F
Perfect for gold silver casting and refine usage

Package included:
1X Quartz Silica Melting Crucible

Features

  • Quartz silica melting crucible
  • Produced by modern ceramic processing technology
  • High orrosion resistance and strength,the temperature resistance up to 2800 /5072F
  • Perfect for gold silver casting and refine usage
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Brand: CynKen   |   Manufacturer: CynKen

Amazon Price: $4.50 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 1-2 business days
List Price: $4.50

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  #7

Melting Dish Casting Crucible Tool Ingot Mold

 PartNumber: 6421877   |   Asin: B000RB32QQ

New Melting Dish & Handle This is a new melting dish and handle Makes it easy to melt and pour metals The wooden handle resists heat The fused silica dish with clay bond is suitable for melting metals with high melting points, including platinum The dish measures approximately 1 5/16" x 2 7/8" (33 x 73 mm) The melting dish with the handle measures approximately 15" (38 mm) long

Features

  • This is a new melting dish and handle
  • Makes it easy to melt and pour metals
  • The wooden handle resists heat
  • The fused silica dish with clay bond is suitable for melting metals with high melting points, including platinum
  • The dish measures approximately 1 5/16 x 2 7/8 (33 x 73 mm)
  • See more on Amazon...

Brand: ikohe

Item Dimensions: 2 x 4 x 22 inches (5.1 x 10.2 x 55.9 cm)   |   Package Dimensions: 2.01 x 4.02 x 22.01 inches (5.1 x 10.2 x 55.9 cm)

Amazon Price: $16.99 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $16.99

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  #8

CoorsTek 60110 Porcelain Ceramic High Form Crucible, 100mL Capacity, 65mm OD, 54mm Height (Case of 24)

Model: 60110   |    Mpn: 60110   |    PartNumber: 60110   |   Asin: B00ANUY5XU

This CoorsTek porcelain high form crucible is glazed inside and out, except for the outside bottom surface. CoorsTek porcelain & ceramic labware has excellent thermal-shock resistance.

Features

  • High form porcelain crucible is glazed inside and out, except for the outside bottom surface and rim
  • Thermally shock-resistant
  • Maximum temperature limit for use: 1150 C
  • Refractory qualities include a fusion point of 1670 C and a softening point of 1400 C
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Brand: CoorsTek   |   Manufacturer: CoorsTek

Package Dimensions: 6.8 x 12.6 x 16.5 inches (17.3 x 32.0 x 41.9 cm)

Amazon Price: $256.00 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 2-3 business days
List Price: $256.00

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  #9

American Educational High Form Porcelain Crucible with Lid, 10mL Capacity (Bundle of 10)

Model: 7-310-1-A   |    Mpn: 7-310-1-A   |    PartNumber: 7-310-1-A   |   Asin: B008FRF50K

The American Educational high-form porcelain crucible with lid is suitable for general laboratory use to heat chemical compounds. It is constructed of glazed porcelain for strength, thermal performance, and chemical resistance, and can withstand temperatures up to 1,050 degrees C. The high-form body and lid contain chemicals.

Science education products incorporate applied math and science principles into classroom and homeschool-based projects. 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. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.

American Educational Products manufactures learning materials in math, science, and reading/language arts for students in pre-kindergarten through grade 12. The company, founded in 1986, is headquartered in Fort Collins, CO.

Features

  • Crucible for general laboratory use to heat chemical compounds
  • Constructed of glazed porcelain for strength, thermal performance, and chemical resistance, and can withstand temperatures up to 1,050 degrees C
  • High-form body and lid for containment
  • Choice of size and quantity
  • See more on Amazon...

Brand: American Educational Products   |   Manufacturer: American Educational

Package Dimensions: 4.4 x 4.6 x 6.3 inches (11.2 x 11.7 x 16.0 cm)

Amazon Price: $15.13 | as of 01/18/2019(11:07am pst)
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List Price: $15.13

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  #10

CoorsTek 60109 High-Form Crucible, Porcelain; 50 mL, 53 mm top OD, 43 mm H, pk of 12

Model: 1780312   |    Mpn: 1780312   |    PartNumber: 1780312   |   Asin: B00NG2YICU

Coorstek high-form crucible, porcelain; 50 ml, 53 mm top OD, 43 mm H, pk of 12. Made in United States.

Features

  • Capacity (ml): 50
  • Top OD (mm): 53
  • Material: porcelain
  • Manufacturer number: 60109
  • Brand: coorstek
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Brand: CoorsTek   |   Manufacturer: COORS TEK

Package Dimensions: 2.5 x 7.8 x 11 inches (6.4 x 19.8 x 27.9 cm)

Amazon Price: $81.96 | as of 01/18/2019(11:07am pst)
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  #11

6# Silicon Carbide Graphite Crucibles for Carbide Furnace Coke Oven Electric Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum for 6KG Copper or 2.2KG Aluminum

 Ean: 0709202859224   |    PartNumber: 6#   |   Asin: B07H1DSTKN

Durable Silicon Carbide Graphite Crucibles

Specification

Highest Withstand Temperature: 1800 (3272 F)
Capacity: 750ML, can casting 6kg Copper or 2.2kg aluminum
Outer Size: 130mm Diameter x 145mm Height.
Inner Size: 110mm Diameter x 130mm Depth.

Bulk Density: 1.71g/cm3
Apparent Porosity: 30%
Refractory Strength: 8.55Mpa
Weight: 1200g

Chemical composition
C: 45%
Al2O3: 26%
SiC: 23%
SiO2: 6%

It is 3-8 times longer life than clay crucible.
Suitable for high temperature metal smelting.
Fit for all the furnace such as Coke-Oven, Fuel Burner, Electric Furnace.
Melting Gold, Silver, Copper, Brass, Aluminum and more.

Package
1x Silicon Carbide Graphite Crucibles

Features

  • Material Silicon Carbide Graphite, which is more durable than Clay Graphite and suit for Carbide Furnace Coke Oven Electric Furnace, etc.
  • Size 140mm height and 110mm inner diameter which is bigger than cans.
  • Capacity 750ML, can casting 6kg Copper or 2.2kg aluminum
  • Heat Withstand temperatures up to 1800 (3272 F), higher than Clay Graphite Crucibles
  • Application Melting Gold, Silver, Copper, Brass, Aluminum and more
  • See more on Amazon...

Brand: Eforlife   |   Manufacturer: Eforlife

Package Dimensions: 5.98 x 6.02 x 7.56 inches (15.2 x 15.3 x 19.2 cm)

Amazon Price: $29.90 | as of 01/18/2019(11:07am pst)
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  #12

2# Thicken Foundry Silicon Carbide Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum for 1.6KG Copper or 0.6KG Aluminum

 Ean: 0709202855264   |    PartNumber: 43234-1230   |   Asin: B01LX8PBSE

Eforlife -- Durable Silicon Carbide Graphite Crucibles

Specification

Highest Withstand Temperature: 1800 (3272 F)
Capacity: 6.7 fl oz, can casting 1.6kg Copper or 0.6kg aluminum
Outer Size: 80mm Diameter x 95mm Height.
Inner Size: 60mm Diameter x 80mm Depth .

Bulk Density:1.71g/cm3
Apparent Porosity: 30%
Refractory strength: 8.55Mpa
Weight:445g

Chemical composition
C: 45%
Al2O3: 26%
SiC: 23%
SiO2: 6%

It is 3-8 times longer life than clay crucible.
Suitable for high temperature metal smelting.
Fit for all the furnace such as Coke-Oven, Fuel Burner, Electric Furnace.
Melting Gold, Silver, Copper, Brass, Aluminum and more.

Package
1x Silicon Carbide Graphite Crucibles

Features

  • Material Silicon Carbide Graphite, which is more durable than Clay Graphite
  • Size 60mm (2.36inch) Inner Diameter
  • Capacity 6.7fl oz, can cast 1.6kg Copper or 0.6kg aluminum
  • Application Melting Gold, Silver, Copper, Brass, Aluminum and more
  • Heat Withstand temperatures up to 1800 (3272 F), higher than Clay Graphite Crucibles
  • See more on Amazon...

Brand: eforlife   |   Manufacturer: Eforlife

Package Dimensions: 4 x 4 x 4.5 inches (10.2 x 10.2 x 11.4 cm)

Amazon Price: $14.90 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $14.90

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  #13

GSC International CHF-30-20 High Form Porcelain Crucible with Lid, 30ml (Pack of 20)

 Ean: 0762047828909   |    PartNumber: CHF-30-20   |   Asin: B07JMF9D2V

These high form porcelain crucibles have a capacity of 30ml. They are uniform, dense, and have stable mechanical strength and little permeability. When properly used, the glazed pieces withstand temperatures of 1050 C and the unglazed pieces 1350 C. Sold in a pack of 20 crucibles.

Features

  • These high form porcelain crucibles have a capacity of 30ml.
  • They are uniform, dense, and have stable mechanical strength and little permeability.
  • When properly used, the glazed pieces withstand temperatures of 1050 C and the unglazed pieces 1350 C.
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Brand: GSC International   |   Manufacturer: GSC International Inc.

Item Dimensions: 2.12 x 2.12 x 2.5 inches (5.4 x 5.4 x 6.4 cm)   |   

Amazon Price: $20.00 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 1-2 business days
List Price: $20.00

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  #14

2 Dental Lab Quartz Zirconia Centrifugal Casting Crucible Hooded High Quality

 Ean: 6912011535287   |    PartNumber: GG-JSD-DZS   |   Asin: B00YU8RNM6

Description
100% New and High Quality.
Made of fused quartz and high quality zirconia.
It will last through many casting jobs
Can be used more than 200 times by centrifugal casting machine, can be used about 20 times by high frenquency casting machine
Suggested melting temperature to be no greater than 1371 degree celsius or 2500 degree fahrenheit
Bottom size: 2 3/4" (L) x 1 " (W) Height: 1 7/8"

Packing List
2 High Quality Crucibles NEW

Features

  • 2 Dental Lab Quartz Zirconia Centrifugal Casting Crucible Hooded
  • Made of fused quartz and high quality zirconia. It will last through many casting jobs
  • Can be used more than 200 times by centrifugal casting machine, can be used about 20 times by high frenquency casting machine
  • Bottom size: 2 3/4 (L) x 1 (W) Height: 1 7/8
  • Estimated Delivery Time: Between 7 to 14 days
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Brand: airgoesin   |   Manufacturer: Airgoesin

Amazon Price: $14.98 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 1-2 business days
List Price: $14.98

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  #15

Universal Tool Graphite Crucible for Melting Gold and Silver 2.5 by 3 Inch

 Ean: 0060886243120   |    PartNumber: UTGC253   |   Asin: B07BSNXJRY

Melt gold and silver with the Universal Tool 2.5" x 3" Graphite Crucible!

This crucible is perfect for melting precious metals such as gold, silver, aluminum, copper and brass. The crucible is about 3" deep and has a 2.5" diameter, making it ideal for use with smaller amounts of metal.

Crucibles can come in handy for a number of hobby projects, including jewelry making, metalworking and gold prospecting. Just add your metal in, melt it and get to work! Make sure you grab one of these before your next metalworking project!

Features

  • Material: Graphite
  • Size: 2.5 Diameter | 3 Deep
  • Melts Precious Metals Including Gold & Silver
  • Ideal for Jewelry Making, Gold Prospecting & Metalworking
  • Weight: .70 lbs | 11.2 oz
  • See more on Amazon...

Brand: Universal Tool   |   Manufacturer: Universal Tool

Item Dimensions: 2.75 x 2.5 x 3 inches (7.0 x 6.4 x 7.6 cm)   |   Package Dimensions: 2.5 x 2.75 x 3 inches (6.4 x 7.0 x 7.6 cm)

Amazon Price: $11.99 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 1-2 business days
List Price: $11.99

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  #16

GRAPHITE CRUCIBLES SIZE 4/0

 PartNumber: FK100983   |   Asin: B000HWNSAA

New Graphite Crucible This is a new size 4/0 graphite crucible Will tolerate thermal shock This resistant crucible often called black lead, withstands heat up to 3,000 F (1,649 C) It measures approximately 3 1/8" (79 mm) tall and the diameter tapers from about 2 3/8" to 1 3/4" (60 x 44.5 mm)

Features

  • This is a new size 4/0 graphite crucible
  • Will tolerate thermal shock
  • This resistant crucible often called black lead, withstands heat up to 3,000 degreesF (1,649 degreesC)
  • It measures approximately 3 1/8 (79 mm) tall and the diameter tapers from about 2 3/8 to 1 3/4 (60 x 44.5 mm)
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Brand: Grobet

Package Dimensions: 3.4 x 3.5 x 3.7 inches (8.6 x 8.9 x 9.4 cm)

Amazon Price: $8.95 | as of 01/18/2019(11:07am pst)
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  #17

A4 SALAMANDER CLAY GRAPHITE CRUCIBLES MELTING CRUCIBLE SUPER A-4 MELT BRASS GOLD (LZ 2.3 FRE) NOVELTOOLS

Model: TRTV1843   |    Mpn: TRTAV1843   |    Ean: 0028841192753   |    PartNumber: TRTAV1843   |   Asin: B013XF3DOI

Nove Tools Product # 0317-104 Salamander Morgan PERFORMANCE CHARACTERISTICS: - Clean melting - Good thermal conductivity - Good resistance to chemical corrosion - High Refractoriness TYPICAL METAL CASTING TEMPERATURE: 1562-2912 F / 850-1600 C SPECIFICATION: Height Overall: 5-1/2" - 141mm Inside Depth to Center: 5" - 127mm Top Outside Diameter: 4-1/2" - 114mm Top Inside Diameter: 3-5/8" - 92mm Bottom Outside Diameter: 3" - 76mm Capacity: 12.3 Lbs. - 5.6 Kilos BRASS Weight of Crucible: 2.25 Lbs. *Item is brand new, never used.

Features

  • SALAMANDER CLAY GRAPHITE MELTING CRUCIBLE "SUPER" A-4
  • Salamander brand Clay-Graphite Crucible A-4 Super a high quality ceramic bonded clay graphite crucible manufactured by plastic forming techniques. SALAMANDER SUPER crucibles are used to melt various metals, and provide consistent performance in fuel-fired furnaces and medium / high frequency induction furnaces.
  • Salamander Super A Crucibles are for use with Non Ferrous Metals.
  • NOTE: We provide a Technical Data Sheet for Crucible, Instructions-Use-Care of Salamander Crucibles with the Crucible purchase.
  • See more on Amazon...

Manufacturer: NOVELTOOLS

Package Dimensions: 4.5 x 4.5 x 6.6 inches (11.4 x 11.4 x 16.8 cm)

Amazon Price: $39.95 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 1-2 business days
List Price: $39.95

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  #18

4# Foundry Silicon Carbide Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum for 3.5KG Copper or 1.2KG Aluminum

 Ean: 0709202855295   |    PartNumber: 01GG001f   |   Asin: B01LX8PK3E

Eforlife -- Durable Silicon Carbide Graphite Crucibles

Specification

Highest Withstand Temperature: 1800 (3272 F)
Capacity: 16.9 fl oz, can casting 3.5kg Copper or 1.2kg aluminum
Outer Size: 115mm Diameter x 120mm Height.
Inner Size: 90mm Diameter x 110mm Depth.

Bulk Density: 1.71g/cm3
Apparent Porosity: 30%
Refractory Strength: 8.55Mpa
Weight: 800g

Chemical composition
C: 45%
Al2O3: 26%
SiC: 23%
SiO2: 6%

It is 3-8 times longer life than clay crucible.
Suitable for high temperature metal smelting.
Fit for all the furnace such as Coke-Oven, Fuel Burner, Electric Furnace.
Melting Gold, Silver, Copper, Brass, Aluminum and more.

Package
1x Silicon Carbide Graphite Crucibles

Features

  • Material Silicon Carbide Graphite, which is more durable than Clay Graphite
  • Size 90mm Inner Diameter (3.5 inch)
  • Capacity 16.9 fl oz, can cast 3.5kg Copper or 1.2kg aluminum
  • Heat Withstand temperatures up to 1800 (3272 F), higher than Clay Graphite Crucibles
  • Application Melting Gold, Silver, Copper, Brass, Aluminum and more
  • See more on Amazon...

Brand: Eforlife   |   Manufacturer: Eforlife

Package Dimensions: 4.9 x 5.2 x 5.5 inches (12.4 x 13.2 x 14.0 cm)

Amazon Price: $21.90 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $21.90

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  #19

ProCast Premium Black No. 1.5 - 2 Kg Foundry Crucible Gold Precious Metal Casting Refining

Model: CRU-0117   |    Mpn: CRU-0117   |    PartNumber: CRU-0117   |   Asin: B074XJM4F3

Premium crucibles are made from a combination of high-quality graphite and clay. They are are recommended for melting your precious, or non-precious metals and can handle large batches of material. Their thick inner walls can handle direct heat and open flame foundries. They can be used with our propane melting furnaces as well as a standard torch method. Rated to withstand temperatures up to 1560 F - 2912 F (850 C - 1600 C). Dimensions: Outer: 4-1/4" height x 4" in diameter Inner: 4" depth x 3" in diameter. Please contact us with any questions. Thanks for looking!

Features

  • Premium crucibles are made from a combination of high-quality graphite and clay
  • They are are recommended for melting your precious, or non-precious metals and can handle large batches of material
  • Their thick inner walls can handle direct heat and open flame foundries
  • They can be used with our propane melting furnaces as well as a standard torch method
  • Rated to withstand temperatures up to 1560 F - 2912 F (850 C - 1600 C)
  • See more on Amazon...

Brand: PMC Supplies LLC   |   Manufacturer: PMC Supplies

Amazon Price: $26.95 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $26.95

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  #20

OTOOLWORLD Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML, 40x60MM)

 Ean: 6952885160376   |    PartNumber: OTOOLWORLD   |   Asin: B074G2CMML

OTOOLWORLD Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML, 40x60MM)

Features

  • 99.95% Purity Graphite crucible with Screw lid, Good air tightness, to prevent leakage
  • size as photo shows, and useful capacity 30ML
  • Note : there is a little hand measuring error
  • See more on Amazon...

Brand: OTOOLWORLD   |   Manufacturer: OTOOLWORLD

Package Dimensions: 3.54 x 3.54 x 3.94 inches (9.0 x 9.0 x 10.0 cm)

Amazon Price: $19.99 | as of 01/18/2019(11:07am pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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