Quartz Tubes: A Comprehensive Guide for Buyers in 2025


Quartz tubes are essential components in various industries, known for their high thermal resistance and optical clarity. Whether you're in semiconductor manufacturing, lighting, or laboratory research, understanding the nuances of quartz tubes can help you make informed purchasing decisions. This guide covers everything from sourcing to applications.


How to Find Reliable Quartz Tubes from China in 2025


China remains a leading supplier of quartz tubes, offering competitive pricing and quality. To find reliable manufacturers:

  • Check certifications like ISO 9001 and RoHS compliance.
  • Review customer feedback on platforms like Alibaba.
  • Request samples to verify material quality.
  • Compare lead times and minimum order quantities (MOQs).

What Buyers Should Know Before Buying Quartz Tubes from China


Before placing an order, consider:

  • Material purity: High-purity quartz (99.99% SiO₂) is critical for semiconductor applications.
  • Customization options: Ensure the supplier can meet specific diameter, length, and tolerance requirements.
  • Shipping and logistics: Factor in import duties and shipping costs.

Types of Quartz Tubes


Common types include:

  • Transparent quartz tubes: Ideal for UV lighting and optical applications.
  • Opaque quartz tubes: Used in high-temperature furnaces.
  • Fused quartz tubes: Known for low thermal expansion.

Functions and Features of Quartz Tubes


Key features:

  • Thermal stability: Withstands temperatures up to 1,200°C.
  • Chemical resistance: Inert to most acids and solvents.
  • UV transparency: Allows 90% UV light transmission.

Scenarios of Quartz Tubes


Applications span:

  • Semiconductor manufacturing: For wafer processing.
  • Laboratory equipment: In crucibles and reactors.
  • Lighting: UV lamps and halogen bulbs.

How to Choose Quartz Tubes


Selection criteria:

  • Determine the required thermal and chemical resistance.
  • Verify optical properties if used in lighting.
  • Assess mechanical strength for high-pressure applications.

Quartz Tubes Q & A


Q: What’s the difference between fused quartz and synthetic quartz tubes?
A: Fused quartz is made from naturally occurring silica, while synthetic quartz is lab-grown for higher purity.


Q: Can quartz tubes be used for food processing?
A: Yes, but ensure they meet FDA or EU food-grade standards.


Q: How do I clean quartz tubes?
A: Use diluted hydrofluoric acid or specialized quartz cleaners.


Q: What’s the average lead time for custom quartz tubes?
A: Typically 4-6 weeks, depending on complexity.


Q: Are quartz tubes recyclable?
A: Yes, they can be melted down and reused.