Quartz Glass Rod

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Felix Glass is a professional custom quartz rod manufacturer and OEM optical quartz fabrication supplier, supplying semiconductor-grade precision optical quartz components for light guide manufacturers, laboratory thermal equipment, semiconductor processing lines and optical instrument factories worldwide.

Our quartz glass rods are extruded from 99.99% high-purity fused silica with JGS1 deep UV grade, JGS2 UV-Vis grade and JGS3 infrared grade. Solid quartz bars feature ultra-low CTE, excellent deep UV transmittance, outstanding thermal shock resistance and stable chemical inertness. Widely used as light guide rods, high-temperature support shafts, stirring rods and optical transmission media in industrial and laboratory environments.

We provide custom diameter, cutting length, end polishing, chamfering and shaping processing, fully comply with ISO 9001 quality standards, supporting lab prototype sampling and large OEM mass production.

Product Specifications

Parameter	Specification
Material	99.99% High‑Purity Fused Silica (JGS1/JGS2/JGS3)
Diameter Range	1mm–100mm customizable solid bar
Standard Length	50mm–2000mm, cut to exact length
Surface Finish	Fine outer circle polishing, smooth uniform surface
Transmission Range	185nm–3500nm full UV-Vis-IR spectrum
Operating Temperature	Up to 1100°C continuous working
CTE	5.5×10⁻⁷ /°C ultra-low thermal expansion
Hydroxyl Content	Low-OH option for UV light transmission
Tolerance	Diameter ±0.05mm, length ±0.1mm
Customization	Precision cutting, double-end polishing, chamfer, grinding, shaping

Key Features

✓ High Deep UV Light Conductivity for Light Guide Applications

✓ Ultra-Low CTE & Excellent High Temperature Stability

✓ Smooth Polished Outer Surface for Uniform Light Transmission

✓ Inert Chemical Property Resists Most Acid & Solvents

✓ Multiple Diameter Options from Tiny Micro Rod to Large Solid Bar

✓ Custom End Polishing & OEM Small Batch Sample Support

Manufacturing Capabilities

1. Full‑Axis CNC Machining for complex outlines & holes
2. Precision Edge Grinding & Safety Chamfer Processing
3. Single & Double Sided Ultra‑Fine Optical Polishing
4. High‑Temperature Tempering & Stress Relief Treatment
5. Magnetron Sputtering Multi‑Layer Optical Coating
6. Complete Optical Performance Lab Inspection

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Available Material Grades

1. JGS1 Deep UV Grade – UV light guide, UV curing optical transmission

2. JGS2 UV‑Vis Grade – General lab stirring rods, optical instrument shafts

3. JGS3 IR Grade – Infrared light conduction, thermal detection equipment

4. Low-OH Ultra-Clear Fused Silica – High-precision optical light guide rods

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Main Application Industries

1. Optical Light Guide Rods for UV Curing & Medical Analytical Devices

2. Laboratory High-Temperature Stirring & Mixing Rods

3. Semiconductor Furnace High-Temperature Support Shafts

4. Spectroscopy Optical Transmission & Light Path Components

5. Photovoltaic Wafer Annealing Equipment Support Parts

6. Medical UV Disinfection Instrument Light Conduction Parts

7. Industrial Laser Optical Coupling & Light Transmission Components

8. Custom High-Temperature Insulation & Support Structural Parts

Custom Manufacturing Service

1. Full OEM & ODM one‑stop optical glass customization

2. Small prototype sample orders supported before mass production

3. Ultra‑low MOQ for laboratory & R&D startup clients

4. Free technical drawing evaluation & customized solution design

5. Custom coating, printing, shaping and hole layout processing

Why Choose Felix Glass

1. 19+ years professional fused silica optical glass manufacturing experience

2. ISO 9001 certified full factory quality control system

3. Independent optical testing laboratory for all performance indicators

4. Stable export supply chain serving global industrial customers

5. Standardized production line to guarantee consistent fast delivery

Frequently Asked Questions

1. Q: What is the MOQ for custom quartz glass rods?
A: Ultra-low MOQ supported, short small-diameter sample rods available for optical lab testing.
2. Q: Can you produce quartz rods according to customer dimension drawings?
A: Our optical engineering team accepts custom diameter & length requirements, free drawing review and 24-hour quotation.
3. Q: Which quartz grade is suitable for UV light guide rods?
A: JGS1 low-OH deep UV grade ensures high and stable deep ultraviolet light transmittance.
4. Q: What maximum temperature can solid quartz rods bear?
A: Stable continuous operation up to 1100°C, no cracking under rapid cold and hot alternation.
5. Q: Can both ends of quartz rods be mirror polished?
A: Yes, double-end high-precision polishing for light coupling and light guide transmission.
6. Q: What is the minimum customizable diameter of quartz rod?
A: Minimum solid rod diameter reaches 1mm for micro optical instruments.
7. Q: Is quartz rod resistant to acid chemical corrosion?
A: Inert to almost all acids except hydrofluoric acid, widely used for chemical lab stirring.
8. Q: Can quartz rods be chamfered or ground into special shapes?
A: Edge chamfering, step grinding and special profiling processing are all available.
9. Q: What’s the difference between quartz rod and quartz tube in light transmission?
A: Solid quartz rod achieves higher light coupling efficiency for light guide systems; tubes are mainly for gas/liquid flow channels.
10. Q: Do you provide fixed-length cutting service for raw quartz rods?
A: All solid bars can be precisely cut to any specified length as required.

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