Best Lab Crucibles In September 2026

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This guide comes with the top 10 Best Lab Crucibles available on the market. Therefore, if you are looking for the Best Lab Crucibles, you have everything you need here.

To help you in your search, we have completed this list of the Best Lab Crucibles.

Top Rated Best Lab Crucibles Of 2026

Rank	Product Name	Score
1	OTOOLWORLD 99.3% Alumina Crucible Bowl Evaporating Dish Al2O3 Aluminum Oxide Assay Crucible Buy Now	9.7 Buy Now
2	OTOOLWORLD 99.3% Alumina Crucible Al2O3 Assay Crucible for Lab Laboratory (90x60x20MM) Buy Now	9.5 Buy Now
3	OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 20MM X 20MM Buy Now	9.1 Buy Now
4	OTOOLWORLD Smelting Lab Graphite Crucible Lab Supply (50MM(1.97") X 100MM(3.94")) Buy Now	8.8 Buy Now
5	OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 70MM X 70MM Buy Now	8.6 Buy Now
6	OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 50MM X 50MM Buy Now	8.3 Buy Now
7	Otoolworld Porcelain Crucible with Lid Cover Lab Crucible Buy Now	8.1 Buy Now
8	The Crucible [Explicit] (Pro Mix) Buy Now	7.8 Buy Now
9	Nisorpa Durable Foundry Silicon Carbide 12KG Graphite Crucibles Cup Furnace Coke Oven Electric Buy Now	7.5 Buy Now
10	SEOH Crucible Tongs Stout and Thick Plated Steel 8 Buy Now	7.2 Buy Now

1. OTOOLWORLD 99.3% Alumina Crucible Bowl Evaporating Dish Al2O3 Aluminum Oxide Assay Crucible

• 99.3% alumina, and can work maximum 1650
• Crucible use temperature: less than or equal to 1650 degrees celsius. and the heating rate is recommended not to exceed 50 degrees celsius per minute.
• As the crucible material is the alumina, try to avoid firing and alumina chemical reaction of the test.
• Please note that the test process of heating and cooling as slowly as possible. this will extend the service life of the product.

2. OTOOLWORLD 99.3% Alumina Crucible Al2O3 Assay Crucible for Lab Laboratory (90x60x20MM)

• As the crucible material is the alumina, try to avoid firing and alumina chemical reaction of the test.
• Please note that the test process of heating and cooling as slowly as possible. this will extend the service life of the product.
• Crucible use temperature: less than or equal to 1600 degrees celsius. and the heating rate is recommended not to exceed 50 degrees celsius per minute.
• 99.3% alumina, and can work maximum 1600

3. OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 20MM X 20MM

• The size just look at the listing photo
• Note : there is a little hand measuring error

4. OTOOLWORLD Smelting Lab Graphite Crucible Lab Supply (50MM(1.97") X 100MM(3.94"))

• Size: 35mm(1.38") x 120mm(4.72")
• The size details just look at the listing photo
• Note : there is a little hand measuring error
• Can provide customization graphite product, mold, crucible, bar, ball, plate, scraper ect...

5. OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 70MM X 70MM

• Note : there is a little hand measuring error
• The size just look at the listing photo

6. OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 50MM X 50MM

• The size details just look at the listing photo
• Size: 50mm x 50mm
• Note : there is a little hand measuring error

7. Otoolworld Porcelain Crucible with Lid Cover Lab Crucible

• Resistant to strong acid and alkali, resistant to rapid cooling and heat, chemical corrosion resistance.
• It has excellent chemical and thermal shock resistance and high mechanical strength. widely used in the chemical industry, the pharmaceutical industry and laboratories.
• 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.
• The main component is 45% alumina, and the rest is silica.
• Long-term use temperature: no more than 1150 degrees celsius.

8. The Crucible [Explicit] (Pro Mix)

9. Nisorpa Durable Foundry Silicon Carbide 12KG Graphite Crucibles Cup Furnace Coke Oven Electric

• #12 silicon carbide graphite crucibles cup 1500ml, can casting maximum 12kg copper or maximum 4kg aluminum
• Durable foundry silicon carbide graphite crucibles is 3-8 times longer life than clay crucible.
• High-temperature resistant,suitable for high temperature metal meltingsuch as gold, silver, copper, brass, aluminum and more.
• Fit for all the furnaces such as coke-oven, fuel burner, electric furnace,withstand temperatures up to 1800(3272f), higher than clay graphite crucibles
• Graphite crucibles are ware parts and will need to be replaced after prolonged use

10. SEOH Crucible Tongs Stout and Thick Plated Steel 8

• Scientific equipment of houston
• Thanks for looking!
• Length 200mm
• Sold as each
• Material nickel plated steel