Flame-fused transparent quartz FLH311 FLH321 FLH321N FLH321H FLH321HS
FLH311: natural quartz ingot made by flame fusion, with few bubbles, good transparency and geometric dimensions, and high material utilization. FLH321: natural high-purity quartz ingot with higher purity, made by flame fusion, with few bubbles, good transparency and geometric dimensions, and high material utilization. FLH321H: natural high-purity quartz ingot with low aluminum and low alkali content. FLH321HS: virtually bubble-free, ultra-high-purity material with low alkali and aluminum content, virtually no inclusions, and strong high-temperature resistance, making it an ideal window material. FLH321N: Norwegian-sand material with higher purity, made by flame fusion, with few bubbles, good transparency and geometric dimensions, and high material utilization. Flame-fused quartz materials have few bubbles, good transparency, and good geometric dimensions, and are widely used in semiconductors, optical fiber, solar energy and photovoltaics, and optical coating/film deposition. High-purity, low-bubble flame-fused quartz materials have few bubbles, high purity, virtually no inclusions, and high-temperature resistance, and are widely used in advanced semiconductor manufacturing, optics, chemical processing, and ultraviolet and high-temperature windows. The English source specifically attributes these latter properties and applications to FLH321HS.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Al Impurity [FLH311] | typical:22.00 ppm |
| B impurity [FLH311] | typical:0.20 ppm |
| Ca Impurity [FLH311] | typical:1.50 ppm |
| Co impurity [FLH311] | typical:＜0.05 |
| Cu Impurity [FLH311] | typical:＜0.05 |
| Fe Impurity [FLH311] | typical:1.50 ppm |
| K Impurity [FLH311] | typical:2.00 ppm |
| Li Impurity [FLH311] | typical:2.00 ppm |
| Mg Impurity [FLH311] | typical:0.30 ppm |
| Mn Impurity [FLH311] | typical:＜0.10 |
| Na Impurity [FLH311] | typical:2.00 ppm |
| Ni Impurity [FLH311] | typical:＜0.10 |
| Ti Impurity [FLH311] | typical:2.00 ppm |
| OH impurity [FLH311] | typical:~200 ppm |
| Al Impurity [FLH321] | typical:14.20 ppm |
| B impurity [FLH321] | typical:0.08 ppm |
| Ca Impurity [FLH321] | typical:0.50 ppm |
| Co impurity [FLH321] | typical:＜0.50 |
| Cu Impurity [FLH321] | typical:＜0.01 |
| Fe Impurity [FLH321] | typical:0.23 ppm |
| K Impurity [FLH321] | typical:0.30 ppm |
| Li Impurity [FLH321] | typical:0.50 ppm |
| Mg Impurity [FLH321] | typical:＜0.05 |
| Mn Impurity [FLH321] | typical:＜0.05 |
| Na Impurity [FLH321] | typical:0.30 ppm |
| Ni Impurity [FLH321] | typical:＜0.05 |
| Ti Impurity [FLH321] | typical:1.30 ppm |
| OH impurity [FLH321] | typical:~200 ppm |
| Al Impurity [FLH321H] | typical:8.00 ppm |
| B impurity [FLH321H] | typical:0.04 ppm |
| Ca Impurity [FLH321H] | typical:0.60 ppm |
| Co impurity [FLH321H] | typical:＜0.05 |
| Cu Impurity [FLH321H] | typical:＜0.01 |
| Fe Impurity [FLH321H] | typical:0.15 ppm |
| K Impurity [FLH321H] | typical:0.07 ppm |
| Li Impurity [FLH321H] | typical:0.15 ppm |
| Mg Impurity [FLH321H] | typical:＜0.05 |
| Mn Impurity [FLH321H] | typical:＜0.05 |
| Na Impurity [FLH321H] | typical:0.12 ppm |
| Ni Impurity [FLH321H] | typical:＜0.05 |
| Ti Impurity [FLH321H] | typical:1.40 ppm |
| OH impurity [FLH321H] | typical:~200 ppm |
| Al Impurity [FLH321N] | typical:12.00 ppm |
| B impurity [FLH321N] | typical:0.08 ppm |
| Ca Impurity [FLH321N] | typical:0.30 ppm |
| Co impurity [FLH321N] | typical:＜0.02 |
| Cu Impurity [FLH321N] | typical:＜0.01 |
| Fe Impurity [FLH321N] | typical:0.10 ppm |
| K Impurity [FLH321N] | typical:0.20 ppm |
| Li Impurity [FLH321N] | typical:0.40 ppm |
| Mg Impurity [FLH321N] | typical:＜0.05 |
| Mn Impurity [FLH321N] | typical:＜0.05 |
| Na Impurity [FLH321N] | typical:0.40 ppm |
| Ni Impurity [FLH321N] | typical:＜0.03 |
| Ti Impurity [FLH321N] | typical:1.20 ppm |
| OH impurity [FLH321N] | typical:~200 ppm |
| Al Impurity [FLH321HS] | typical:8.00 ppm |
| B impurity [FLH321HS] | typical:＜0.04 |
| Ca Impurity [FLH321HS] | typical:0.60 ppm |
| Co impurity [FLH321HS] | typical:＜0.05 |
| Cu Impurity [FLH321HS] | typical:＜0.01 |
| Fe Impurity [FLH321HS] | typical:0.20 ppm |
| K Impurity [FLH321HS] | typical:0.10 ppm |
| Li Impurity [FLH321HS] | typical:0.20 ppm |
| Mg Impurity [FLH321HS] | typical:0.01 ppm |
| Mn Impurity [FLH321HS] | typical:＜0.05 |
| Na Impurity [FLH321HS] | typical:0.10 ppm |
| Ni Impurity [FLH321HS] | typical:＜0.05 |
| Ti Impurity [FLH321HS] | typical:1.30 ppm |
| OH impurity [FLH321HS] | typical:~200 ppm |
| Density [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 2.2 g/cm³ |
| Young's Modulus [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 74 GPa |
| Poisson’s Ratio [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 0.16 |
| Flexural Strength [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 65 MPa |
| Compressive strength [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 1100 MPa |
| Tensile Strength [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 50 MPa |
| Torsional strength [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 30 MPa |
| Mohs Hardness [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 6~7 |
| Dielectric Constant [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 3.74 |
| Dielectric loss [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 0.0002 |
| Dielectric strength [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 3.7×10⁷ |
| Electrical Resistivity [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 1×10¹⁶ |
| Strain Point [Gas-fused transparent quartz series physical properties (not distinguished by individual grade); η=10^(14.5); Source parentheses also contain ℃] | 1080 ℃ |
| Annealing point [Gas-fused transparent quartz series physical properties (not distinguished by individual grade); η=10¹³; Source parentheses also contain ℃] | 1180 ℃ |
| Softening Point [Gas-fused transparent quartz series physical properties (not distinguished by individual grade); η=10^(7.8); Source parentheses also contain ℃] | 1700 ℃ |
| Thermal Conductivity [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade); 20℃] | 1.4 W/m·k |
| Specific Heat [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade)] | 670 J/kg.k |
| Coefficient of Thermal Expansion [Flame-Fused Transparent Quartz Series Physical Properties (Not Distinguished by Individual Grade); α; 20℃~320℃] | 5.5 ×10⁻⁷/k |
Applications
Key Features
Datasheet
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