Quartz Crucible

Quartz Crucible 1024x683 1

Quartz Crucible

  • Custom sizes and standard sizes in stock
  • Quick Lead Time
  • Competitive Price

  • Quartz Crucible are made from high-purity fused silica ceramic with fine microstructure, offering low thermal conductivity, minimal thermal expansion, and high dimensional precision. They maintain shape and strength under extreme heat and exhibit outstanding thermal shock resistance. These properties make quartz crucibles reliable for demanding applications in the glass processing industry, electronics manufacturing, metallurgy, and aerospace. Their strong chemical resistance and electrical insulation further expand their utility in harsh environments where purity and stability are critical. We can supply high-quality quartz crucibles with various specifications and competitive prices, offering customized solutions to meet specific requirements.
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Or email us at sales@heegermaterials.com.

Quartz Crucible Data Sheet

Color:

White

Shape:

Cylinder, Conical Cylinder, Rectangular, T-shape, or customized.

Dimension:

Customized

Chemical Formula:

SiO2

Compressive Strength:

≥ 50 MPa

Thermal Expansion Coefficient:

≤ 0.6

Maximum Temperature (℃):

1650 ℃

Long-Term Operating Temperature (℃)：

1100 ℃

Quartz Crucible Description

Quartz crucible plays a vital role in the solar energy industry, especially in the production of polysilicon for photovoltaic applications. With the rapid growth of solar power, the demand for large, thin-walled square and round crucibles has increased. Thanks to its outstanding thermal stability, resistance to molten silicon and metals like aluminum and copper, and non-contaminating nature, quartz crucible is widely used in polysilicon processing and non-ferrous metal smelting, offering both purity and durability under extreme conditions.

  • Quartz Crucible

Quartz Crucible Specifications

Shape

Dimensions (mm)

Square

1100 × 1100 × 550

Square

878 × 878 × 480

Square

878 × 878 × 420

Square

720 × 720 × 420

Square

585 × 585 × 420

Square

440 × 440 × 350

Square

220 × 220 × 95

Round

Φ610 × 420

Round

Φ100 × 300

Customized

Custom dimensions available

Quartz Crucible Features

  • excellent thermal stability with minimal deformation at high temperatures.
  • Low thermal expansion coefficient, reducing the risk of cracking during rapid temperature changes.
  • High-purity fused silica material ensures minimal contamination.
  • Strong resistance to chemical corrosion from molten silicon, metals, and acids.
  • Available in both round and square shapes for different industrial needs.

Quartz Window Applications

  • Polysilicon Production: Used for melting and recrystallizing silicon in the photovoltaic industry.
  • Non-Ferrous Metal Smelting: Suitable for processing aluminum, copper, and other reactive metals.
  • Glass Processing: Supports high-temperature operations in specialty and optical glass manufacturing.
  • Chemical Industry: Handles high-purity chemical reactions at elevated temperatures.
  • Aerospace & Electronics: Used where thermal stability and purity are crucial for component fabrication.
  • Metal Smelting
    Metal Smelting
  • Glass and Ceramic Manufacturing 1
  • Chemical Laboratories
    Chemical Laboratories
  • Aerospace Field HM
    Aerospace Field

Quartz Ceramic Material Properties

Purity (%)

>99.8

>99.5

Density (g/cm3)

1.9-1.95

1.9-1.95

Flexture strength (MPa)

28

28

Compressive strength (MPa)

>50

>50

Bending strength (MPa)

25

25

Maximum working temperature (℃)

1650

1650

Thermal conductivity (W/m*K)

<1

<1

Thermal expansion coefficient (/℃)

8.5*10-7

8.5*10-7

number of use

≥10

≥10

Quartz Ceramic Material Machining

Quartz Ceramic Maching

Quartz ceramic material can be machined in its green or bisque state before sintering, making it easier to shape into complex forms. Like other ceramics, it shrinks by about 15–20% during sintering, so this must be considered in the initial design. After sintering, quartz ceramic becomes extremely hard and brittle, making machining very difficult and requiring diamond-coated tools and high-precision equipment.

Machining Methods and Considerations

  • Green or Bisque Machining: Quartz ceramic is easier to cut and shape before sintering, making it suitable for intricate designs.
  • Sintering Shrinkage: Expect a 15–20% size reduction during sintering, which affects dimensional accuracy.
  • Post-Sintering Machining: After sintering, quartz becomes hard and brittle, requiring diamond tools and precise control.
  • Fragility: Fully sintered quartz ceramic is prone to chipping or cracking if mishandled.
  • Tooling and Time: Machining sintered quartz is slow and requires specialized equipment.

Quartz Ceramic Packaging

Quartz ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

ceramic products packing HM

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Get A Quote

We will check and get back to you in 24 hours

To customize your quartz crucible, please provide the following details:

  • Dimensions: Top Diameter x Bottom Diameter x Height x Wall Thickness
  • Material Grade: Specify the material grades.
  • Purity of the material
  • Shapes: Cylinder, Conical Cylinder, Rectangular, T-shape, or customized.
  • Tolerances: Specify the tolerances you can apcept.
  • Surface Finish: polished, rough, etc.
  • Quantity of the products you need
  • Alternatively, you can provide a drawing with your specifications.

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of boron nitride products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

Yes, depending on the process and care, they can be reused, but repeated exposure to high temperatures and chemicals may reduce lifespan.

Yes, made from high-purity fused silica, they are ideal for contamination-sensitive processes like polysilicon production.

Advanced Ceramic Hub, established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of graphene products. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of ceramics, refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

Quartz Crucible

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