• Lianyungang Shengfan Quartz Product Co., Ltd
    The Quartz Tube has very high quality, looking forward further cooperation
  • Lianyungang Shengfan Quartz Product Co., Ltd
    The products are fully suitable for our school's lab.
  • Lianyungang Shengfan Quartz Product Co., Ltd
    satisfied with the products,and delivery in time.
Contact Person : Sharon Zhao
Phone Number : +8615161325985
Whatsapp : +8615161325985

Customed Pressure Endurable Quartz Heater Tube High Transparent Quartz Tube Vacuum Sealed Flange

Place of Origin China
Brand Name shengfan
Certification ISO9001
Model Number QTT-1
Minimum Order Quantity 5 pieces
Price Negotiable

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Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

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Product Details
Material Fused Quartz Working Temperature 1100℃
Hardness Morse 6.5 Softening Point 1780℃
Annealing Point 1250°C Short-term Working Temperature 1300°C
Long-term Working Temperature 1100°C
High Light

borosilicate glass tube


glass capillary tube

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Product Description

Customed Pressure Endurable Quartz Heater Tube High Transparent Quartz Tube Vacuum Sealed Flange




Material Properties:


1. High purity

2. High duribility

3. High Temperature Resistance(working temperature 1100℃)

4. Flame polished 

5. Acid and alkali resistance

6.No air bublle,no air line


Property Typical Values
Density 2.2x103 kg/m3
Hardness 5.5 - 6.5 Mohs' Scale 570 KHN 100
Design Tensile Strength 4.8x107 Pa (N/m2) (7000 psi)
Design Compressive Strength Greater than 1.1 x l09 Pa (160,000 psi)
Bulk Modulus 3.7x1010 Pa (5.3x106 psi)
Rigidity Modulus 3.1x1010 Pa (4.5x106 psi)
Young's Modulus 72GPa (10.5x106 psi)
Poisson's Ratio 0.17
Coefficient of Thermal Expansion 5.5x10 -7 cm/cm·°C (20°C-320°C)
Thermal Conductivity 1.4 W/m·°C
Specific Heat 670 J/kg·°C
Softening Point 1683°C
Annealing Point 1215°C
Strain Point 1120 °C
Electrical Resistivity 7x107 ohm cm (350°C)
Dielectric Properties (20°C and 1 MHz)
Constant 3.75
Strength 5x107 V/m
Loss Factor Less than 4x10-4
Dissipation Factor Less than 1x10-4
Index of Refraction 1.4585
Constringence (Nu) 67.56
Velocity of Sound-Shear Wave 3.75x103 m/s
Velocity of Sound/Compression Wave 5.90X103 m/s
Sonic Attenuation Less than 11 db/m MHz
Permeability Constants(700°C) (cm3 mm/cm2 sec cm of Hg)
Helium 210x10-10
Hydrogen 21x10-10
Deuterium 17x10-10
Neon 9.5x10-10


Further processing:


CNC,Quartz Tube welding,sealing


Customed Pressure Endurable Quartz Heater Tube High Transparent Quartz Tube Vacuum Sealed Flange 0

Customed Pressure Endurable Quartz Heater Tube High Transparent Quartz Tube Vacuum Sealed Flange 1




They are widely used in electric light, diffusion tube, protection tube, optical instrument, sight glass, observation window for furnace, semiconductor, photoelectron, military industry, metallurgy, water treat,emt, lab glassware and many other fields.


We adopt continue melting method,rotation method, flame melting method to produce various kinds of transparent.Meanwhile,we have Arc quartz crucible workshop,old process workshop, fire process workshop, so that we can accept higher requirements to customize all kinds of quartz glass products, such as Quartz tube, Quartz plate, Quartz crucible, Quartz flange, Furnace quartz tube, Quartz boat, Laboratory quartz instruments, Quartz heater and other related quartz glass products.These products are widely used in semiconductor, photovoltaic, infrared heating, flight, chemical, and large colleges and universities in the laboratory and other industry fields.


Company profile:


Lianyungang Shengfan Quartz Product Factory is a professional manufacture specialized in research and development of quartz plate,quartz tube,quartz flange,quartz ring,cuvette and quartz instrument. The company is located in China Crystal Capital - Donghai City, Jiangsu Prov., China. 70 km far from Lianyungang port, convenient transportation.


Covering an area of 1000 square meters,we now have over 30 employees,an annual sales figure exceeding USD 5.2 million.


With the philosophy of Technology Orientation, Quality First,Integrity and Responsibility,Sustainable Operation, the company dedicates to establish an international enterprise with standard and sustainable operation capability.