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{"title":"High Transmittance Large Caliber Quartz TC Tube Clear For Chemical Laboratory","imgUrl":"https:\/\/img.chinax.com\/nimg\/7d\/16\/97b71091fe2a96b0ab53ab0c4ffc-200x200-1\/high_transmittance_large_caliber_quartz_tc_tube_clear_for_chemical_laboratory.jpg","attrs":{"Processing Service":"customization","Model Number":"Quartz TC Tube","Place of Origin":"China","Outside Diameter":"1mm-32mm(0.04in-1.26in)"}}
{"title":"Polishing Clear Quartz Glass Tube for Pyrolysis Furnace","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/77\/764df0734a04f2e60d486982224c-200x200-1\/polishing_clear_quartz_glass_tube_for_pyrolysis_furnace.jpg","attrs":{"Place of Origin":"China","Processing Service":"Moulding","OEM":"Accept Quartz Tube Customized","Certification":"CE"}}
{"title":"Round Bottom Transparent Quartz Glass Test Tube High Temperature Resistance","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/e0\/8e9467cab52b6bd3d8adacdb2763-200x200-1\/round_bottom_transparent_quartz_glass_test_tube_high_temperature_resistance.jpg","attrs":{"Outside Diameter":"2cm","Color":"Clear","Surface Treatment":"Grinded","Ozone Content":"Ozone Free"}}
{"title":"One End To Seal Off Quartz Test Tubes Ozone Free For Laboratory","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/49\/48fbc61d1ca7202fdaf4f32f519f-200x200-1\/one_end_to_seal_off_quartz_test_tubes_ozone_free_for_laboratory.jpg","attrs":{"Processing Service":"Bending, Welding, Punching, Decoiling, Cutting, Moulding","OEM":"Accept Quartz Tube Customized","Place of Origin":"China","Shape":"One End Closed Quartz Tube"}}
SiO₂ purity above 99.99%, premium grades up to 99.999%
Extremely low impurity content — no bubbles, no stones, no striae
No devitrification or deformation at high temperatures, ensuring a longer service life
2. Extreme Heat Resistance & Thermal Stability
Long-term service temperature 1100°C–1200°C, short-term up to 1450°C
Melting point approx. 1730°C, far higher than ordinary glass
Ultra-low thermal expansion coefficient (5.5×10⁻⁷/°C); excellent thermal shock resistance — a tube at 1100°C can be plunged into cold water without cracking
3. Strong Corrosion Resistance & Chemical Inertness
Highly stable against most acids (except hydrofluoric acid)
Better alkali resistance than ordinary glass
No reaction with metals at high temperatures, never contaminating materials
Ideal for high-cleanliness applications in chemical and semiconductor industries
4. Full-Spectrum Light Transmission & Superior Optics
High UV transmittance (full 185nm–2500nm band)
Deep-UV transmittance far exceeding ordinary glass
Good infrared transmittance as well
Suitable for UV lamps, lasers and optical instruments
Jiangsu Xiangtong Quartz Technology Co., Ltd., located in Donghai County, Lianyungang, was founded in 2023. We are a professional manufacturer of high-purity fused silica quartz products.
We own a 18,000 ㎡ production base with clean workshop and complete processing equipment for cutting, grinding... Jiangsu Xiangtong Quartz Technology Co., Ltd., located in Donghai County, Lianyungang, was founded in 2023. We are a professional manufacturer of high-purity fused silica quartz products.
We own a 18,000 ㎡ production base with clean workshop and complete processing equipment for cutting, grinding...
