Quartz Crucible
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  • Transparent Quartz Crucible (Crystal Singing Bowl)
  • Transparent Quartz Crucible (Crystal Singing Bowl)
  • Transparent Quartz Crucible (Crystal Singing Bowl)
  • Transparent Quartz Crucible (Crystal Singing Bowl)
Product introduction

Quartz crucible has the advantages of high purity, high temperature resistance, high dimensional accuracy, good heat preservation, energy saving, stable quality, etc., and its application is more and more extensive. The inspection of quartz crucibles is a very important part, and the detection of quartz crucibles is developing towards the field inspection direction!

We have excellent technology development capabilities and high-purity fused quartz crucibles for the solar-grade monocrystalline silicon application. We can also produce special types according to the client's technical drawing.

Advantages of Quartz crucible for melting:

1. High purity, SiO2>99.99%

2. Resistance to high temperatures and corrosion

3. Used for industry, laboratory

4. Electrical arc crucible 8"-24", used for pulling monocrystalline silicon

5. Small size, used for laboratory and other industries

6. It is applicable to semiconductor and solar energy

Application of Quartz crucible for melting:

1. Chemical Industries

2. Electric Light Source

3. Laboratories

4. Medical equipment

5. Metallurgy 

6. Optical

7. Photovoltaic

8. Photo communications

9. Research

10. Schools

11. Semiconductor

12. Solar

Product parameters

Translucent quartz glass properties

 

Property

 

MQ-R100

 

MQ-R300/R400

Density

 1.92×103kg/m3

1.95×103kg/m3

Compression Strength

  >1.0×10 °Pa(N/m2)

 >1.0×10 °Pa(N/m2)

Coefficient of Thermal Expansion

 5.4×10-7cm/cm℃

 5.4×10-7cm/cm℃

Thermal Conductivity

 Low

Low

Specific Heat

 640J/kg℃

650J/kg℃

Softening Point

 1580℃

 1600℃

Annealing Point

1050℃

1100℃

Precision

Range of OD OD Tolerance WT Tolerance Siding Tolerance Out of Round Bow/1000mm
10mm Max ±2.00% ±10% 12% 2.0% 2.0mm
10–20mm ±1.25% ±8% 10% 1.5% 2.0mm
20–30mm ±1.00% ±10% 15% 1.5% 2.0mm
30–50mm ±1.00% ±10% 15% 1.5% 2.0mm
50–100mm ±1.00% ±12% 15% 2.0% 2.0mm
100–200mm ±1.00% ±12% 15% 2.0% 2.0mm

Corrosion Amount

Corrosion Amount Test Conditions Corrosion Rate
H₂SO₄ (Sulfuric Acid) Density 1.84, 2h, 20°C (g/cm²) 1.4 × 10⁻⁸
HNO₃ (Nitric Acid) Density 1.4, 2h, 20°C (g/cm²) 5 × 10⁻⁸
HCl (Hydrochloric Acid) Density 1.19, 2h, 20°C (g/cm²) 15 × 10⁻⁸
NaOH (Sodium Hydroxide) 1%, 2h, 110°C (g/cm²) 166 × 10⁻⁶
KOH (Potassium Hydroxide) 1%, 2h, 98°C (g/cm²) 68 × 10⁻⁶

Thermal Properties Mechanical Properties

Property Value Unit
Density 2.2 g/cm³
Compression Strength 1100 N/mm²
Bending Strength 67 N/mm²
Tension Strength 48 N/mm²
Micro Hardness 8600~9800 N/mm²
Moh's Hardness 5.5~6.5 -

Electrical Properties

Property Value Unit
Electrical Resistivity (350°C) 7 × 10⁷ Ω·cm
Insulating Strength (20°C) 250–400 kV/cm
Dielectric Constant 3.7
Spec Diameter D (mm) Height H (mm) Straight Wall Thickness W1 (mm) Curved Wall Thickness W2 (mm) Bottom Thickness W3 (mm) Curved Wall Diameter R1 (mm) Curved Wall Diameter R2 (mm)
14inch 355±2 240±3 10±3 10±3 11±3 89 381
16inch 405±2 280±3 9.0±2 9.0±2 9.0±2 90 450
18inch 457±2 355±2 7 - 12 7 - 12 7 - 12 88 - 120 457 - 500
20inch 505±2 385±3 11.0±2 11.0±2 11.0±2 120 508
22inch 555 - 560 406±3 11+3/-1 11+3/-1 11+3/-1 127 560
24inch 609+2/-3 440±3 11 - 2/+3 12 - 2/+3 12 - 2/+3 120 610
26inch 654±3 500±3 12+3/-1 12+3/-1 14+4/-2 120 660
28inch 708±3 556±3 13.5±2 13.5±2 19.0±3 120 710
Centred Services

From quotation to delivery, we provide one-stop customer service, responding quickly to customer needs, solving problems efficiently, and completing shipments. Additionally, we offer process optimization and technical support services, including professional workflow improvement, sample preparation and testing, mass production supply, and technical assistance. We meet customers' demands for quartz and specialty glass products.

Yancheng Mingyang Quartz Products Co., Ltd.
  • Yancheng Mingyang Quartz Products Co., Ltd. Materials Design
    And Development

    We can design and develop quartz and specialty glass according to customer needs and application requirements.

  • Yancheng Mingyang Quartz Products Co., Ltd. Manufacturing Process
    Optimization

    The manufacturing process of quartz and specialty glass can be optimized for customers.

  • Yancheng Mingyang Quartz Products Co., Ltd. Sample Preparation
    And Testing

    We provide sample preparation and testing services for new types of quartz and specialty glass.

  • Yancheng Mingyang Quartz Products Co., Ltd. Mass Production
    And Supply

    Once approved, quartz and specialty glass can be mass-produced to ensure stable and reliable supply.

  • Yancheng Mingyang Quartz Products Co., Ltd. Technical Support
    And Consulting

    Mingyang can also provide relevant technical support and consulting services to customers.

From Made-in-China to
Global Smart Manufacturing

Yancheng Mingyang Quartz Products Co., Ltd. is a company specializing in the production of quartz and special glass products. Yancheng Mingyang Quartz Products Co., Ltd. is the production plant of Jinzhou Mingde Quartz Glass Co., Ltd. in Jiangsu. Since its establishment, the company has developed rapidly, introduced advanced technology and production equipment at home and abroad, and continuously improved and improved product quality. Relying on its own advantages, we have developed a variety of products suitable for the market and meet the needs of different customers, and solved many urgent production problems for our customers.

The company's products include quartz glass tubes, double-hole quartz glass tubes, quartz glass rods, quartz sheets, sapphire windows, calcium fluoride glass windows, infrared ultraviolet coatings, high-pressure resistant aluminosilicate glass window panels, quartz glass instruments, high borosilicate glass instruments, quartz crucibles, quartz gold-plated tubes, quartz heaters, quartz infrared heating tubes, far-infrared directional radiation heaters ultraviolet germicidal lamps and other special types of quartz glass products.

Certificate Of Honor
  • High-Tech Enterprises
  • Verified Supplier Certificate
  • Quartz Materials Branch of China Electronic Materials Industry Association
  • High-tech enterprise certificate
  • Verified Supplier Certificate
  • Business License
  • Test Report
  • Test report
  • Quality Management System Certification
  • Trademark Registration Certificate
  • Trademark Registration Certificate
  • CE Certificate Of Conformity
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