Quartzel® fiber is a homogeneous, non-porous, continuous, amorphous, ultra-pure silica glass with a SiO2 content ≥ 99.95%. Quartzel® felts are produced from pure fused quartz fiber.
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Quartzel® Felts
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Main properties
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Optimal balance between thermal conductivity and density
CF data below.
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Integrity as insulating material
Up to 1050°C.
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Ablative material
Above 1600 °C and extreme heat flow.
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Low thermal expansion and resistance to thermal shock
CTE= 0.54 10-6 K-1.
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Low loss material
Dk = 3.74 & Df = 0.0002 at 10 GHz.
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Product portfolio
Areal weight* Approximate density Binder type
Max. available dimension (m)
Carton dimensions (mm) Quantity per carton Low density Quartzel® felts:
80 g/m² 10-20 kg/m3 PVA 3.5 x 1
20 x 1
L 1330 x W 670 x H 670
L 1250 x W 500 x H 500
15 x 3.5 = 52,5m²
1 x 20 = 20m²
Product Properties
Thermal conductivity:
Data for 80g/m² felt at a density of 26kg/m3 according to hot guarded plate method (ISO8302)Temperature 20°C 100°C 200°C 300°C 400°C 500°C Thermal conductivity mW/m/K 35 50 80 127 191 274 -
Dual-use
Dual-use disclaimer: Quartzel® products are all classified as a dual-use commodity by the European and US authorities. Therefore, an export license is required to export these goods to some countries. Our team will support you in this process. Read more about it here.
