Quartz Material

Technical data for our high-purity quartz materials

Quartz Material Grades

Select from our range of high-performance quartz materials

Fused silica quartz

Fused Silica Quartz

High-purity amorphous silicon dioxide with exceptional optical and thermal properties

Property Value
Purity 99.99% SiO2
Density 2.20 g/cm3
Thermal Expansion 0.55 x 10-6/°C
Softening Point 1580°C
UV Transmission >90% @ 200nm
IR Transmission >85% @ 2500nm
Dielectric Constant 3.75 @ 1MHz
Synthetic quartz

Synthetic Quartz

Laboratory-grown crystalline quartz with superior uniformity and consistency

Property Value
Purity 99.997% SiO2
Density 2.65 g/cm3
Thermal Expansion 7.5 x 10-6/°C
Melting Point 1670°C
UV Transmission >85% @ 200nm
IR Transmission >90% @ 2500nm
Dielectric Constant 4.3 @ 1MHz
Opaque quartz

Opaque Quartz

High-temperature resistant quartz with excellent thermal insulation properties

Property Value
Purity 99.9% SiO2
Density 2.15 g/cm3
Thermal Expansion 0.60 x 10-6/°C
Maximum Service Temp 1050°C
Thermal Conductivity 1.4 W/m·K
Porosity 10-15%

Material Property Comparison

Key characteristics of our quartz material grades

Property Fused Silica Synthetic Quartz Opaque Quartz
Purity (% SiO2) 99.99% 99.997% 99.9%
Max Service Temp (°C) 1100 1200 1050
Thermal Expansion (10-6/°C) 0.55 7.5 0.60
UV Transmission @ 200nm >90% >85% Opaque
Thermal Shock Resistance Excellent Good Excellent
Chemical Resistance Excellent Excellent Very Good

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