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Consult USTRON for a complete range of sputtering target or vapor deposition materials

+81-3-5812-1811Hours:9:00~18:00(weekdays)

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Synthetic quartz & fused quartz

See below for a range of quartz glass products offered by USTRON.

We have manufactured quartz products in Shanghai, China since 2000, offering a variety of synthetic quartz glass and fused quartz glass in a range of different shapes and for varying applications.

 

  1. Vapor deposition materials and sputtering target materials
  2. Optical glass substrates and heat-resistant window glass
  3. Materials for semiconductors and solar batteries, quartz boats, acid-resistant washing tanks and jigs
  4. Quartz core tubes and quartz chambers, etc.

Annular rings for thin-film vapor deposition

Quartz glass plates (up to 1.5 m × 2 m)

Ground quartz glass products

Transparent quartz crucibles

Other processed quartz glass products

Properties

 Fused quartz glassSynthetic quartz glass
Purity 99.99% 99.999%
Stria direction - Stria free in one direction
OH(PPM) 200 1200
Wavelength used 240〜2500nm 200〜2500nm

Properties

Specification Fused quartz glassSynthetic quartz glass
Composition SiO2 Wt(%) 100 100
Thermal properties Thermal expansion coefficient [10-7](50〜200)℃ 6 6
Softening point(℃) 1730 1600
Strain point (℃) 1075 1025
Optical properties Refractive index(nd) 1.45847 1.45847
Dispersion value(vd) 67.7 67.7
Chemical properties Alkali resistance (mg/cm2)※ 0.032 0.032
Mechanical properties Density (g/cm3) 2.20 2.20
Young’s modulus (GPa) 72 72
Hardness (Knoop)(kg/mm2) 550 550
Electrical properties Volume resistivity 1013(Ω・cm)at 200℃ 4.0 4.0
Dielectric constant (F/m) 4.0 4.0

※Dissolved at a rate of 0.032 mg per square centimeter surface area in an NaOH solution (1%) at 20°C in 100 hours.

Transmittance chart

※The blue and red lines in the transmittance chart represent the transmittance of synthetic quartz and fused quartz, respectively.

Quartz rod and tube specifications

Please inquire about quartz rods and tubes in other sizes.

Transparent quartz tubes (material: 99.9% quartz)

Inner diameter x outer diameter x length

Specifications
1.4×3×1200
3×5×1200
4×6×1200
6×8×1200
7×9×1200
8×9×1200
9×11×1200
10×12×1200
11×13×1200
12×14×1200
13×15×1200
14×16×1200
17×15×1200
17×19×1200
16×20×1200
18×20.5×1200
20×23×1200
21×24×1200
22×25×1200
26×30×1200
35×38×1200
36×40×1200
46×50×1200

Transparent quartz rods(material: 99.9% quartz)

Outer diameter x length

Specifications
3×1240
3.5×1270
5×1240
6×1240
10×1240
12×1240
14×1240
15×1240
16×1240
18×1240
25×1240

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