Quartz Tubes

We currently possess 8 quartz tube furnaces, with a daily production capacity of up to 12 tons of quartz tubes.

Our quartz tube series includes transparent quartz tube, milky quartz tubes, quartz capillary tubes, various shapes of quartz Tubes, various colors of quartz tubes .
We stock a variety of standard models and offer customization options to suit your needs.
For information about quartz tube price, request a consultation.

Transparent Quartz Tube

Our transparent quartz tubes are available in outer diameters ranging from 0.2mm to 150mm, with lengths from 20mm to 5000mm. We maintain a large inventory of various specifications, so please contact us to discuss your specific size and requirements.
We also offer custom high temperature quartz glass tube solutions, including options for round bottoms or closed ends. In addition, we can incorporate frosted glass standard taper joints, ball-and-socket joints, and small flanges for sealing purposes.
Our technical team is equipped to perform rough cutting, grinding, or fire polishing on ordered quartz furnace tubes.

Mechanical Properties	Values
Density (g/cm³)	2.2
Mohs Hardness	6-7
Tensile Strength (MPa)	1100
Flexural Strength (MPa)	65
Torsional Strength (MPa)	30
Young's Modulus (GPa)	7.5 * 10⁴
Poisson's Ratio	0.17

Electrical Properties	Values
Dielectric Constant (10 GHz)	3.74
Dielectric Loss (10 GHz)	0.0002
Dielectric Strength (10 GHz)	3.7 * 10⁷ V/m
Resistivity (Ω·cm)	1 * 10²⁰ Ω·m
Resistivity at 1000°C (Ω·cm)	1 * 10⁸ Ω·m

Thermal Properties	Values
Strain Point (°C)	1080
Annealing Point (°C)	1180
Softening Point (°C)	1630
Thermal Conductivity at 20°C (W/m·K)	1.4
Specific Heat (J/Kg·K) at 20°C	670
Thermal Expansion Coefficient (20-320°C) (1/°C)	5.5 * 10⁻⁷

Milky Quartz Tube

The milky quartz tube has the advantages of being resistant to strong acids and bases, allowing for long-term use below 1050°C. It is widely used for quartz heating elements and is the most economical choice compared to other colors.

Property	Value
Density	1.92x10³ kg/m³
Compression Strength	>1.0x10⁹ Pa (N/m²)
Coefficient of Thermal Expansion	5.4x10⁻⁷ cm/cm
Thermal Conductivity	LOW
Specific Heat	640 J/kg (at 1600°C)
Softening Point	1200°C
Annealing Point	1050°C
OD Available	OD 4 mm - OD 120 mm
Length Available	20 mm - 5000 mm
Composition	Silica Content (SiO₂) > 99.9%
Transmittance	70%+ Far Infrared Transmission
Heat Resistance	Maintain in 900°C environment for 15 minutes, then transfer into 20°C liquid instruments (cycle 3 times), without any cracks

Single-ended sealed quartz glass tube

Double-ended open quartz glass tube

Our standard sizes include OD10mm, OD12mm, OD18mm, OD23mm, OD35mm, and OD38mm, with sufficient stock available.

Quartz Capillary Tube

Applications:

Quartz glass capillary tubes find extensive applications in industries such as laser (bonding glass tubes), optoelectronics, and optical communication.
They are utilized as supporting components for various devices in the optical communication sector, including PLC splitter access ends, fiber optic routers, WDM wavelength division multiplexers, fiber optic sensors, fiber optic array substrates, and fiber optic connectors.
Additionally, quartz glass capillary tubes play a crucial role as essential materials in the electronic, medical, and optical industries.

Circular Quartz Capillary Tube

Parameter	Dimension	Tolerance	Unit
Length	1-2000	±0.2	mm
Outer Diameter (OD)	0.2-11	±0.03
Inner Diameter (ID)	0.06-10	±0.03
Material	Quartz glass, borosilicate glass, and other
Specification	Other dimensions and tolerances can be manufactured according to customer requirements

Square Quartz Capillary Tube

Parameter	Dimension	Tolerance	Unit
Length	1-2000	±0.2	mm
Outer Diameter (OD)	0.3x0.3-8x8	±0.03
Inner Diameter (ID)	0.1x0.1-6x6	±0.03
Material	Quartz glass, borosilicate glass, and other
Specification	Other dimensions and tolerances can be manufactured according to customer requirements

Various Shapes of Quartz Capillary Tube

Shape	Conical tube, D-shaped tube, Elliptical tube, Trapezoidal tube, Hexagonal tube, Triangular tube, V-shaped rod, U-shaped rod
Aperture	Multi-hole (double holes, four holes, six holes, seven holes, eight holes, double row three holes), elliptical, rectangle, square, triangle, eccentric, D-shaped hole
Material	Quartz glass, borosilicate glass, and other materials
Remark	Minimum tolerance ±0.03mm, other shapes and sizes can be produced according to customer's requirements

Various Shapes of Quartz Capillary Rod

Parameter	Dimension	Tolerance	Unit
Length	1-2000	±0.2	mm
Outer Diameter (OD)	0.2-11	±0.03
Inner Diameter (ID)	0.06-10	±0.03
Material	Quartz glass, borosilicate glass, and other
Specification	Other dimensions and tolerances can be manufactured according to customer requirements

Various Colors Quartz Tubes

Yellow Quartz Tube

Yellow quartz tubes enhance far-infrared transmittance, providing soft lighting suitable for indoor heating. Commonly used sizes include an outer diameter of 10mm and 12mm.

High-Strength Red Quartz Tube

This red quartz tube not only possesses the characteristics and beautiful color of regular ruby quartz tubes but also exhibits higher strength. It is the only quartz tube capable of withstanding impact tests of up to 0.5 J, whereas ordinary quartz tubes cannot endure impact tests exceeding 0.2 J.

Ruby Red Quartz Tube

Enchanting gemstone-red quartz tubes, commonly employed in heaters and oven heating.

Various Shapes of Quartz Tubes

C-shaped Quartz Tube

U-shaped Quartz Tube

C-shaped Quartz Tube

Large Diameter Quartz Tube

We offer customized quartz tube services. We invite you to connect with us for detailed information and personalized solutions.

Quartz Laser Cavity

We have the capability to manufacture laser cavities in various sizes, including single-hole, double-hole, and triple-hole configurations, tailored to meet our customers’ specific requirements. The choice of materials depends on the intended application and desired performance, encompassing options such as:

Borosilicate glass
Synthetic quartz
Fused quartz
Cerium-doped quartz
Erbium-doped quartz
Titanium-doped quartz
Samarium-doped glass

Laser cavities, essential components for laser systems, find widespread use in the advancement of high-power laser technologies.

Quartz tubes, also known as fused quartz tubes or fused silica tubes, are versatile components widely used across various industries.
They can be applied in high-temperature scenarios, where they are commonly referred to as high temperature quartz tubes or high pressure quartz tubes when used under extreme conditions.
They are suitable for specialized environments such as vacuum systems, where they may be termed vacuum quartz tubes.
In UV lamp applications, these tubes are known as UV quartz tubes or UV quartz glass.
In furnace setups, they are often labeled as quartz tubes for furnaces, quartz tubes for tube furnaces, or quartz process tubes.
Each type of quartz tube offers excellent thermal and chemical resistance, making them ideal for use in demanding environments.

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