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Beijing Zhong Cheng Quartz Glass Co., Ltd.
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ZCQ only use environment-friend, sustainable and long stable materials to fulfill our customer' s requirement.
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  4. Highly Purity Synthetic Fused Silica
  5. High-Purity Fused Quartz Glass, ZCQ-K Series
High-Purity Fused Quartz Glass, ZCQ-K Series

High purity, excellent mechanical stability, high temperature resistance, outstanding chemical stability, few bubbles, and customizable size make it optimal materials for various reflectors and sight windows.

Type Bubbles and Inclusions Optical uniformity Hydroxyl content Residual strain Applications
The bubble grade is given
for every 100 cm3
DIN ISO 10110 Striae PV value ppm
(μg/g)
nm/cm
ZCQ-K32 1/6x0.3 No striae
in functional direction
< 1x10-5 ~200 < 10 Heat resistant sight window
ZCQ-K33 1/6x0.1 No striae
in functional direction
< 8x10-6 ~200 < 10 Laser reflective optical applications, heat resistant sight window
Type Bubbles and inclusions Optical uniformity Hydroxyl content Residual strain Applications
The bubble grade is given
for every 100 cm3
DIN ISO 10110 Striae PV value nm/cm nm/cm
ZCQ-K32 1/6x0.3 No striae
in functional direction
< 1x10-5 ~200 < 10 Heat resistant sight window
ZCQ-K33 1/6x0.1 No striae
in functional direction
< 8x10-6 ~200 < 10 Laser reflective optical applications, heat resistant sight window
Mechanical Properties
Mechanical Data ZCQ-K32~33
Density (g/cm3) 2.203
Modulus of Elasticity (MPa) 7.25x104
Poisson's Ratio 0.17
Compressive Strength (MPa) 1150
Tensile Strength (MPa) 50
Bending Strength (MPa) 67
Mohs Hardness 5.5~6.5
Micro Hardness 8000~9000
Refraction Index Dispersion
Abbe constant ZCQ-K
Vd=(nd – 1)(nF – nC) 67.5±0.6
Dispersion constants (Sellmeier)
B1 4,76523070x10-1
B2 6,27786368x10-1
B3 8,72274404x10-1
C1 1,18369052x10-2
C2 2,84888095x10-3
C3 9,56856012x10-1
Electrical Properties
Dielectric constant (ε) 0-106Hz 3x1010Hz
3.7 3.81
Dielectric strength in kV/cm 20°C 500°C
250-400 40-50
Dielectric loss angle (tg δ) 1KHz 1MHz-109Hz 3x1010Hz
< 5x10-4 < 1x10-4 < 4x10-4
Resistivity in Ω·cm 20°C 100°C 400°C
1x1018 1x1016 1x1010
Resistivity in Ω·cm 800°C 1000°C 1200°C
6.3x106 1x106 1.3x105

Transmittance Curve (ZCQ-K33 Thickness: 10mm)

High-Purity Fused Quartz Glass, ZCQ-K Series
Chemical Composition
Element Al Fe Ca Mg Ti Ni Mn Cu Li Na K Co Total
ppm ~20.00 ~0.20 ~1.50 ~0.20 ~1.30 ~0.01 ~0.05 ~0.02 ~1.30 ~2.00 ~0.40 ~0.03 ~28.00
Thermal Properties
Thermal characteristics Softening point Annealing point Strain point Max consecutive working temperature Max working temperature
ZCQ-K 1680°C 1150°C 1090°C 1000°C 1200°C
Related Quartz Products
Highly Purity Synthetic Fused Silica is available with 4 series
  • JC-Z Series
  • ZCQ-K Series
  • ZCQ-H Series
  • ZCQ-FH D NFZ JC-D/FH/NFZ-01 Series
Manufacturing Power
  • Material
    1. Fused Silica / Quartz
    2. Highly Purity Synthetic Fused Silica
    3. Borosilicate Glass
    4. BK-7 Glass
    5. B270
    6. Doped Glass
    7. Sapphire Crystal Glass
    8. Corning® HPFS® 7979, 7980 Fused Silica
    9. Lead Glass
    10. Color Filter Glass
  • Production Equipment
Contact Us

Beijing Zhong Cheng Quartz Glass Co., Ltd.

Add.: Hou Bai Hu Jian 26, Yangfang, Changping District, Beijing
Tel.: +86-10-69769891
Mob.: +86 13001911610
(WhatsApp&WeChat)

Email: zcq.etw@quartzwork.com

Tags
Highly purity synthetic fused silica glass reflectors manufacturer sight windows supplier
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