Custom Transparent Quartz Glass Ring High Temperature Resistant Insulation Ring

Quartz rings are high-purity components made from fused silica, featuring excellent thermal stability, high-temperature resistance up to 1100°C, and low thermal expansion. They exhibit outstanding light transmittance, strong acid and corrosion resistance, as well as superior electrical insulation. With high dimensional accuracy and good mechanical strength, they are widely used in semiconductor manufacturing, high-temperature furnaces, optical devices, laboratory equipment, and photovoltaic industries, serving as sealing rings, insulation parts, and structural components in harsh environments.

Product Details

Quartz Ring – Application Examples (English)

1. Semiconductor High-Temperature Furnaces
Used as sealing rings, insulation rings, and electrode spacers in diffusion furnaces, oxidation furnaces, and LPCVD systems. High purity, thermal stability, and low contamination ensure stable wafer processing.

2. Photovoltaic & Solar Industry
Applied in PECVD, sintering furnaces, and graphite heaters as support rings, sealing rings, and thermal insulation components for silicon wafer production.

3. Optical & Laser Equipment
Used as optical sealing rings, lens retainers, and optical path spacers with high light transmittance, low thermal expansion, and stable optical performance.

4. UV Light Sources & Lamps
Serves as sealing rings and electrode fixing rings for UV lamps, mercury lamps, and xenon lamps, resisting high temperature and UV radiation.

5. Laboratory & High-Temperature Instruments
Used in high-temperature reactors, furnace seals, and corrosion-resistant connections due to excellent acid resistance and thermal shock resistance.

6. Quartz Component Assembly
Matches with quartz tubes, rods, and boats for flange sealing, port reinforcement, and precision equipment connections.

Advantages of Quartz Ring

High purity: Made of high-purity fused silica, low impurity content, no contamination to materials.
Excellent high-temperature resistance: Stable at 1100°C, softening point up to about 1730°C.
Low thermal expansion coefficient: Outstanding thermal shock resistance, not easy to crack under rapid heating or cooling.
Good light transmittance: High transmittance in ultraviolet, visible and infrared bands.
Strong chemical stability: Resistant to most acids and corrosive chemicals except hydrofluoric acid.
High electrical insulation: Excellent insulation performance even at high temperatures.
High dimensional accuracy: Good mechanical strength, suitable for precision components.