Quartz Crucible: A Complete Guide for Buyers in 2025


When it comes to high-temperature applications in industries like semiconductors, solar energy, and metallurgy, a Quartz Crucible is an indispensable tool. Known for its exceptional thermal stability and chemical resistance, this crucible ensures precision and durability in demanding environments. In this guide, we’ll explore the key aspects of Quartz Crucible, helping you make an informed purchasing decision.


How to Find Reliable Quartz Crucible from China in 2025


China remains a leading supplier of Quartz Crucible due to its advanced manufacturing capabilities and competitive pricing. To find a trustworthy supplier:

  • Check certifications like ISO 9001 and RoHS compliance.
  • Review customer feedback and case studies.
  • Request samples to verify quality.
  • Compare pricing and lead times from multiple vendors.

What Buyers Should Know Before Buying Quartz Crucible from China


Purchasing a Quartz Crucible from China requires due diligence. Ensure the supplier offers:

  • Transparent material sourcing (high-purity quartz).
  • Customization options (size, shape, and thickness).
  • After-sales support and warranties.

Types of Quartz Crucible


Quartz Crucible comes in various forms to suit different applications:

  • Transparent Quartz Crucible: Ideal for optical and semiconductor uses.
  • Opaque Quartz Crucible: Better for high-temperature metallurgy.
  • Custom-Shaped Crucibles: Designed for specialized industrial processes.

Functions and Features of Quartz Crucible


A high-quality Quartz Crucible offers:

  • Thermal resistance up to 1,200°C.
  • Low thermal expansion for stability.
  • Chemical inertness against acids and alkalis.

Scenarios of Quartz Crucible


Common applications include:

  • Silicon ingot production in solar panels.
  • Lab experiments requiring contamination-free melting.
  • High-purity metal refining.

How to Choose Quartz Crucible


Consider these factors:

  • Material Purity: Opt for 99.99% SiO₂ for critical applications.
  • Wall Thickness: Thicker walls enhance durability.
  • Manufacturer Reputation: Prioritize suppliers with proven track records.

Quartz Crucible Q & A


Q: What’s the maximum temperature a Quartz Crucible can withstand?
A: Typically 1,200°C, but some grades endure up to 1,450°C.


Q: How do I clean a Quartz Crucible?
A: Use diluted HF acid or thermal cleaning at high temperatures.


Q: Can I customize the size?
A: Yes, most suppliers offer bespoke dimensions.


Q: Is Chinese Quartz Crucible reliable?
A: Yes, if sourced from certified manufacturers with quality controls.


Q: What’s the average lifespan?
A: 50-100 cycles, depending on usage conditions.