Beijing Zhong Cheng Quartz Glass Co., Ltd.
Main products:Quartz,fused silica,fused quartz,glass,optical glass
Products
Contact Us
  • Contact Person : Ms. Xun Sherry
  • Company Name : Beijing Zhong Cheng Quartz Glass Co., Ltd.
  • Tel : 86-10-69766700
  • Fax : 86-10-69766671
  • Address : Beijing,Beijing,Hou Bai Hu Jian 26, Yangfang, Changping District, Beijing, China
  • Country/Region : China
  • Zip : 100025

u tube apparatus

u tube apparatus
Product Detailed
High Corrosion Resistance Low Thermal Expansion Coefficient Competitive Price

Quartz Tubing: Clear Or Unclear

Dimension Range:Φ2mm-Φ300mm

Thickness Range:1mm-6.5mm

Tolerance: +-0.02mm-+-1mm

Length: 1200mm-2000mm

 Service

At ZCQ, we are committed to providing our customers with excellent precision optical service. 

We are able to fabricate custom-designed optical glass products with

 provided materials or the OEM service, if that is what you require.

ZCQ Offers Two Major Categories: 

1. Quartz Products Series  

 2.Optical Glass Products Series

 Manufacturing Features:

1. Customer Designed Products

2. Different Precise Levels for Different Products

3. Good Quality

4. No Minimum Order

5. Timely Delivery and Various Transport Channels  

Characteristics and superiority

 Optical Property:

Based on differences of Optical Performances and Purity, ZCQ usually Supply three basic Quartz Materials:

 Fused Quartz, Synthetic Fused Silica (UV) and Infrared Optical Quartz

Chemical Property:

NAME

UNIT ×10-4%

Al 

Fe 

Ca 

Mg 

Yi 

Cu 

Mn 

Ni 

pb 

Sn 

Cr 

Na 

Li 

OH 

Fused Quartz 

16 

0.92 

1.5 

0.4 

1.0 

0.01 

0.05 

<0.3

<0.3

<0.3

<0.3 

0.2 

1.49 

1.67 

<0.3 

400 

Synthetic Fused Silica 

0.37 

0.31 

0.27 

0.04 

0.03 

0.03 

0.01 

<0.03

<0.03

<0.03

<0.03 

0.02 

0.5 

0.5 

<0.03 

1200 

Infrared Optical Quartz 

35 

1.45 

2.68 

1.32 

1.06 

0.22 

0.07 

<0.03

<0.03

<0.03

<0.03 

0.3 

2.2 

<0.3 

Mechanical Property: 

Mechanical Property

Reference Value

Mechanical Property

Reference Value

Density

2.203g/cm3

Refractive Index

1.45845

Compressive Strength

>1100Mpa

Coefficient of thermal expansion

5.5×10-7cm/cm.°C

Bending Strength

67Mpa

Hot work temperature

1750~2050°C

Tensile Strength

48.3Mpa

The temperature for a short time

1300°C

Poisson's Ratio

0.14~0.17

The temperature for a long time

1100°C

Elastic Modulus

71700Mpa

Resistivity

7×107Ω.cm

Shearing Modulus

31000Mpa

Dielectric Strength

250~400Kv/cm

Moths Hardness

5.3~6.5(Moths Scale)

Dielectric Constant

3.7~3.9

Deformation Point

1280°C

Dielectric absorption coefficient

<4×104

Specific Heat(20~350°C)

670J/kg °C

Dielectric loss coefficient

<1×104

Thermal Conductivity(20°C)

1.4W/m °C

Typical Mechanical Property of Fused Quartz  

u tube apparatus



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