Closed End Quartz Thermocouple Protection Tube High Temperature Resistant Fused

• High purity
• High durability
• High temperature resistance (working temperature 1100°C)
• Flame polished
• Acid and alkali resistance

• SiO₂ > 99.99% — high-purity quartz tube
• Operating temperature: 1250°C; softening temperature: 1730°C
• Excellent visual and chemical performance
• No surface coating and no contaminants
• Health care and environmental protection compliant
• Any dimension can be manufactured
• CE, RoHS, and SGS approved

• Quartz tube: outer diameter Φ2–450 mm, thickness 0.5–20 mm
• Quartz rod: 1.5–80 mm
• Quartz plate: various shapes and specifications, scrubs, transparency, drilling
• Quartz instruments: flask, test tube, beaker, quartz boat
• Processing of all types of special-shaped and customized instruments

• Flame polishing / optical polishing / grinding
• Standard ground joint: 9 mm / 14 mm / 18 mm / 19 mm / 24 mm / 29 mm

We adopt continuous melting, rotation, and flame melting methods to produce various kinds of transparent quartz glass. Our facilities include an arc quartz crucible workshop, an old-process workshop, and a fire-process workshop, enabling us to meet higher customization requirements for quartz glass products — including quartz tubes, quartz plates, quartz crucibles, quartz flanges, furnace quartz tubes, quartz boats, laboratory quartz instruments, quartz heaters, and other related products. These products are widely used in semiconductor, photovoltaic, infrared heating, aerospace, chemical, and university laboratory industries.

Our factory supports custom manufacturing from drawings and samples, including ultraviolet sterilizing lamps, ultraviolet sterilization tubes, ozone sterilization lamp shades, and more.

Electric light source, electrical appliances, semiconductor, optical communications, military industry, metallurgy, building materials, chemical, machinery, electricity, environmental protection, and other industries.

Lianyungang Shengfan Quartz Product Factory is a professional manufacturer specializing in the research and development of quartz plates, quartz tubes, quartz flanges, quartz rings, cuvettes, and quartz instruments. The company is located in China Crystal Capital — Donghai City, Jiangsu Province, China — 70 km from Lianyungang Port with convenient transportation.
Covering an area of 1,000 square meters, we currently employ over 30 people with an annual sales figure exceeding USD 5.2 million. Guided by the philosophy of Technology Orientation, Quality First, Integrity and Responsibility, and Sustainable Operation, the company is dedicated to establishing an international enterprise with standard and sustainable operation capability.