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Best Lab Crucibles - Buying Guide

Last Updated: 04/22/2019

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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. 6# Silicon Carbide Graphite Crucibles for Carbide Furnace Coke Oven Electric Furnace Torch Melting C...
  3. Melting Dish Casting Crucible Tool Ingot Mold
  4. American Educational High Form Porcelain Crucible with Lid, 15mL Capacity (Bundle of 10)
  5. 4# Foundry Silicon Carbide Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver...
  6. Lucksender 40*40mm Graphite Crucible with Lid Lab Supply Articles
  7. Otoolworld Porcelain Crucible with Lid Cover Lab Crucible (20ml, 30ml, 40ml, 70ml, 100ml, 200ml, 300...
  8. EURO TOOL Centrifugal Casting Machine Crucible, 4 Ounce | CAS-320.15
  9. Eisco Labs Porcelain Crucible with Lid, Tall Form, 30mL Capacity
  10. CoorsTek 60151 Porcelain Gooch Filter-Crucible, 40 mL, 23-24 mm Filter; 6/Pk

  #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 Rosenthal Collection is a registered trademark protected by US Trademark Law.

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
  • See more on Amazon...

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 04/22/2019(6:53pm pst)
Availibility:
List Price: $29.50

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  #2

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: $28.50 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
List Price: $28.50

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  #3

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

Package Dimensions: 2.01 x 4.02 x 22.01 inches (5.1 x 10.2 x 55.9 cm)

Amazon Price: $16.00 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
List Price: $16.00

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  #4

American Educational High Form Porcelain Crucible with Lid, 15mL Capacity (Bundle of 10)

Model: 7-310-2-A   |    Mpn: 7-310-2-A   |    PartNumber: 7-310-2-A   |   Asin: B008FRF5D2

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: 6.5 x 6.8 x 8.4 inches (16.5 x 17.3 x 21.3 cm)

Amazon Price: $15.78 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.78

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  #5

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: $22.50 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $22.50

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  #6

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: $9.99 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #7

Otoolworld Porcelain Crucible with Lid Cover Lab Crucible (20ml, 30ml, 40ml, 70ml, 100ml, 200ml, 300ml) (40ml)

 Ean: 6952885178340   |   Asin: B07L877B8T

Otoolworld Porcelain Crucible with Lid Cover Lab Crucible

Features

  • The main component is 45% alumina, and the rest is silica.
  • It is a kind of hard porcelain. It has excellent chemical and thermal shock resistance and high mechanical strength. Widely used in the chemical industry, the pharmaceutical industry and chemical laboratories. For example, enamel, evaporating dish, funnel, mortar, porcelain tube, porcelain boat, etc.
  • It has excellent chemical and thermal shock resistance and high mechanical strength. Widely used in the chemical industry, the pharmaceutical industry and laboratories.
  • resistant to strong acid and alkali, resistant to rapid cooling and heat, chemical corrosion resistance.
  • Long-term use temperature: no more than 1150 degrees Celsius.
  • See more on Amazon...

Brand: OTOOLWORLD   |   Manufacturer: OTOOLWORLD

Package Dimensions: 3.39 x 3.78 x 3.98 inches (8.6 x 9.6 x 10.1 cm)

Amazon Price: $12.99 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #8

EURO TOOL Centrifugal Casting Machine Crucible, 4 Ounce | CAS-320.15

 Ean: 0654207138143   |    PartNumber: CAS-320.15   |   Asin: B0058EDU6E

4 oz replacement casting crucibles to fit Kerr Machines. Suitable for melting temperatures up to 2,500 degrees Fahrenheit. Capacity: 4 ounces, 80 dwt and 125 grams. 73 by 45 by 45 millimeters with a slot.

Features

  • Great for replacing ceramic crucibles for centrifugal casting machines
  • Made of fused silica with clay bond for use with Kerr machines
  • Can withstand temperatures up to 2,500 degrees Fahrenheit
  • 73 by 45 by 45 millimeters with a slot
  • Capacity: 4 ounces, 80 dwt and 125 grams
  • See more on Amazon...

Brand: EURO TOOL   |   Manufacturer: EURO TOOL

Package Dimensions: 0.7 x 2.2 x 5.1 inches (1.8 x 5.6 x 13.0 cm)

Amazon Price: $19.32 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $12.95

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  #9

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
  • See more on Amazon...

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: $6.75 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $6.75

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  #10

CoorsTek 60151 Porcelain Gooch Filter-Crucible, 40 mL, 23-24 mm Filter; 6/Pk

Model: 60151   |    Mpn: 60151   |    PartNumber: 60151   |   Asin: B003NV2F3S

Gooch filter-crucibles are glazed inside and out except for outside bottom and rim. Use for total suspended solids determination. Crucibles accept standard filter paper sizes. Autoclavable.

Features

  • Autoclavable: yes
  • Filter size: 23-24 mm diameter
  • Material: porcelain
  • Pore size (mm): 0.6
  • Top outside diameter (mm): 40
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Brand: CoorsTek   |   Manufacturer: Cole-Parmer

Package Dimensions: 1.57 x 8.03 x 8.58 inches (4.0 x 20.4 x 21.8 cm)

First Available: 2017-03-15

Amazon Price: $117.00 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 1 to 2 weeks
List Price: $117.00

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  #11

Morgan Salamander Super A2 Clay Graphite Melting Crucible Melt Gold Silver Brass

 Ean: 0028841186875   |    PartNumber: unknown   |   Asin: B00X89GR52

SPECIFICATION: Height Overall: 4-5/16" - 109mm Inside Depth to Center: 3-7/8" - 98.38mm Inside Diameter: 2-15/16" - 74.58mm Top Outside Diameter: 3-3/4" - 95mm Bottom Outside Diameter: 2-3/8" - 61mm Capacity: 2.5 Kilo BRASS Crucible Weight: 1.30 Lbs.

Features

  • Morgan Salamander Crucible A2
  • Salamander brand Clay-Graphite Crucible A-2 Super a high quality ceramic bonded clay graphite crucible range manufactured by plastic forming techniques.
  • SALAMANDER SUPER crucibles are used to provide consistent performance in fuel-fired furnaces and medium / high frequency induction furnaces. The smaller sizes are typically used to melt precious metals.
  • PERFORMANCE CHARACTERISTICS: - Clean melting - Good thermal conductivity - Good resistance to chemical corrosion - High Refractoriness
  • See more on Amazon...

Brand: Morgan   |   Manufacturer: MORGAN

Package Dimensions: 6.9 x 7.5 x 7.8 inches (17.5 x 19.1 x 19.8 cm)

Amazon Price: $36.30 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $36.30

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  #12

KKmoon 1KG Foundry Clay Graphite Crucibles Cup for High-Temperature Gold and Silver Metal Smelting Casting

 Ean: 0797566410847   |    PartNumber: ILB1894046636193FA   |   Asin: B07BCD2LNL

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: 3.98 x 6.65 x 8.19 inches (10.1 x 16.9 x 20.8 cm)

Amazon Price: $15.99 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.99

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  #13

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: $15.90 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.90

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  #14

CoorsTek 60125 Porcelain Crucible Covers, 54 mm ID; 6/Pk

 PartNumber: 60125   |   Asin: B01MRVQWI1

Compatible cover for the following part numbers: 17803-10, 17803-12, 17803-30, 17803-32, 17804-06, 17804-26, 17805-06 and 17805-26. Crucible covers are glazed, except for rim. Autoclavable

Features

  • Autoclavable: Yes
  • Cap Material: Porcelain
  • Description: Porcelain Crucible Covers, 54 mm ID; 6/Pk
  • Inside Rim Diameter (mm): 54
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Brand: CoorsTek   |   Manufacturer: COLE-PARMER

Amazon Price: $95.25 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $95.25

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  #15

#10-12 Kg ProCast Foundry Clay Graphite Crucible Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum

Model: GFC12-KG   |    Mpn: GFC12-KG   |    PartNumber: GFC12-KG   |   Asin: B00FBGAG6G

Graphite Foundry Crucibles are made from a combination of graphite and clay, these crucibles 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 temps up to 1560 F to 2912 F (850 C to 1600 C). Measurements: 8" x 9" (exterior dimensions); 7-3/4" deep x 5-3/4" in diameter (interior dimensions). Please contact us with any questions. Thanks for looking!

Features

  • Rated to withstand temperatures up to 1560 F - 2912 F (850 C - 1600 C)
  • Designed for melting gold, silver, copper, brass, aluminum, and more metals
  • Ideal for use with propane melting furnaces/forges
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Brand: PMC Supplies LLC   |   Manufacturer: PMC Supplies

Item Dimensions: 8.75 x 7.5 x 8.75 inches (22.2 x 19.1 x 22.2 cm)   |   Package Dimensions: 7.2 x 7.5 x 8.8 inches (18.3 x 19.1 x 22.4 cm)

Amazon Price: $68.00 | as of 04/22/2019(6:53pm pst)
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  #16

2pc 16mm x 28mm 99% pure 5ml Alumina Ceramic Crucible with Cap

 PartNumber: XYW-923JHJ   |   Asin: B07D7TQF9Z


Features:
The crucible is made of aluminum oxide with 1800 degree firing temperature and 40 hours sintering time.
It cannot be used over 1800 degree
Heating rate cannot be 50 degree /10mins.
Avoid aluminum oxide reaction.
Package Included:
2X Crucible Pot
Specification:
Size(approximate data): outer dia 16mm, with cap total height 28mm
Physical and chemical index:
Al2O3: >99%
R2O 3.8g/cm3
Porosity: 350Mpa
Compressive strength:>12000Mpa
Dielectric constant: 2
Max work temperature:1800 degree

The shipment will be arranged in 1-3 working days( not including customized product), and takes about another 3-9 working days to reach you.

Features

Brand: YJINGRUI   |   Manufacturer: YUEFANTAI

Amazon Price: $9.00 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 3-4 business days
List Price: $9.00

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  #17

SEOH 250ml Temperature Resistant Low Form Porcelain Crucible w/Lid

 PartNumber: 3767-78LC   |   Asin: B0086X6NP4

Chemical-porcelain crucibles are glazed inside and out, except outside bottom and rim. Crucible covers are completely glazed except for rim. For use in temperatures up to 1150 C (2102 F). Not recommended for minerals or metals. Measurements are approximate. Picture is a representation of different sizes available.

Features

  • Capacity 250ml
  • High Quality and Temperature Resistant
  • Low Form
  • For use in temperatures up to 1150 C (2102 F)
  • Picture is a representation of different sizes available
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Brand: SEOH   |   Manufacturer: Scientific Equipment of Houston

Package Dimensions: 5.24 x 6.3 x 8.86 inches (13.3 x 16.0 x 22.5 cm)

Amazon Price: $12.95 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 24 hours
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  #18

1# Foundry Silicon Carbide Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum for 0.8KG Copper or 0.3KG Aluminum

 Ean: 0709202855257   |    PartNumber: 01GG001b   |   Asin: B01M066T7X

Eforlife -- Durable Silicon Carbide Graphite Crucibles

Specification

Highest Withstand Temperature: 1800 (3272 F)
Capacity: 3.38fl oz, can casting 0.8 kg Copper or 0.3kg aluminum
Outer Size: 78mm Diameter x 75mm Height.
Inner Size: 56mm Diameter x 65mm Depth .

Bulk Density:1.71g/cm3
Apparent Porosity: 30%
Refractory strength: 8.55Mpa
Weight:320g

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
  • Heat Withstand temperatures up to 1800 (3272 F), higher than Clay Graphite Crucibles
  • Size 56mm (2.2inch) Inner Diameter
  • Capacity 3.38fl oz, can casting 0.8 kg Copper or 0.3kg aluminum
  • Application Melting Gold, Silver, Copper, Brass, Aluminum and more
  • See more on Amazon...

Brand: Eforlife   |   Manufacturer: eforlife

Amazon Price: $11.99 | as of 04/22/2019(6:53pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $15.00

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  #19

CoorsTek 60112 Porcelain 250mL High Form Crucible, White Glazed

Model: 60112   |    Mpn: 60112   |    PartNumber: 60112   |   Asin: B0071CZ5UA

This CoorsTek porcelain high form crucible is glazed inside and out, except for the outside bottom surface and rim. CoorsTek porcelain & ceramic labware has excellent thermal-shock resistance. Refractory qualities include a fusion point of 1670-degree celsius and a softening point of 1400-degree celsius.

Features

  • High form porcelain crucible is glazed inside and out, except for the outside bottom surface and rim
  • Thermally shock-resistant; To prolong the life of your CoorsTek labware be sure to follow gradual heating and cooling rates
  • Maximum temperature limit for use: 1150-degree celsius
  • Refractory qualities include a fusion point of 1670-degree celsius and a softening point of 1400-degree celsius.
  • See more on Amazon...

Brand: CoorsTek   |   Manufacturer: CoorsTek

Package Dimensions: 2.7 x 3.2 x 3.3 inches (6.9 x 8.1 x 8.4 cm)

Amazon Price: $21.86 | as of 04/22/2019(6:53pm pst)
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  #20

CoorsTek 60140 Porcelain 250mL Wide Form Crucible, White Glazed

Model: 60140   |    Mpn: 60140   |    PartNumber: 60140   |   Asin: B0071CZ6MC

This CoorsTek porcelain wide form crucible is glazed inside and out, except for the outside bottom surface and rim. CoorsTek porcelain & ceramic labware has excellent thermal-shock resistance. To prevent thermal stress cracks on porcelain ware, CoorsTek strongly recommends a heating/cooling rate not to exceed 200 C/hour. To prolong the life of your CoorsTek labware be sure to follow gradual heating and cooling rates. Use an oven or hot plate as an intermediate step when quicker heating/cooling rates are required. Gradually increase flame intensity when using a gas burner. Avoid contact of heated ware with a cold surface. Carefully inspect your ceramic labware prior to each use. Do not use any product that appears defective. Hardness of this labware is 57.5 on the Rockwell 45N scale. Refractory qualities include a fusion point of 1670 C and a softening point of 1400 C.

Features

  • Wide form crucible is glazed inside and out, except for the outside bottom surface and rim
  • Thermally shock-resistant; To prolong the life of your CoorsTek labware be sure to follow gradual heating and cooling rates.
  • Maximum temperature limit for use: 1150 C
  • Refractory qualities include a fusion point of 1670 C and a softening point of 1400 C.
  • See more on Amazon...

Brand: CoorsTek   |   Manufacturer: CoorsTek

Package Dimensions: 3.2 x 3.8 x 4.8 inches (8.1 x 9.7 x 12.2 cm)

Amazon Price: $19.99 | as of 04/22/2019(6:53pm pst)
Availibility:
List Price:

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