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Fused Silica Sheet - T 0.635mm 15mm x 15mm

Details

SKU: 1000002656 Product Code: SI82-SH-000163
Fused Silica Sheet is an ultra-pure glass material prized for its exceptional thermal stability, low thermal expansion, and outstanding optical transparency from deep ultraviolet to infrared wavelengths. Fabricated from high-purity SiO₂, it resists devitrification, chemical attack, and maintains high mechanical strength even at elevated temperatures. This form is extensively used in photonics, semiconductor processing, and precision optics manufacturing. Specific applications include high-quality micro-hole arrays for optical diffractive elements fabricated using femtosecond laser machining, ultra-thin substrates for advanced electronics achieved via chemical-mechanical polishing and etching, and micro-structured sheets with controlled surface features for enhanced optical performance. In research and innovation, fused silica sheets are integral to experiments requiring minimal optical distortion, precise microfabrication, and robust thermal performance. Their purity, dimensional stability, and adaptability to advanced processing make them a critical enabler in both cutting-edge industrial fabrication and scientific instrumentation.
Formula: SiO₂
Thickness: 0.635mm
Length 1: 15mm
Length 2: 15mm
CAS Number: 7631-86-9
UOM Code: 021-868-94
Legacy Code: SI823063
Distributor Code:
GF02186894

Tolerances

Foil/Film/Sheet
Thickness ±20%
$417.00
each
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Material Properties

Chemical Resistance
Element Value
Acids - concentrated Good
Acids - dilute Good
Alkalis Fair
Halogens Good
Metals Fair
Magnetic Properties
Element Value
Maximum permeability 365-2500nm
Coercivity - as cast( A m⁻¹ ) 1.46
Remanence ratio( Br/Bs ) 1715
Saturation flux density( T ) 3.8
Physical Properties
Element Value
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( gcm⁻³ ) 2.18
Thermal Properties
Element Value
Upper continuous use temperature( C ) 900-1200
Specific heat( J K⁻¹ kg⁻¹ ) 750@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 1.2-1.4@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 0.5-0.75@20-1000°C
Mechanical Properties
Element Value
Tensile modulus( GPa ) 65-75
Hardness - Vickers( kgf mm⁻² ) 490
Electrical Properties
Element Value
Volume resistivity( Ohmcm ) 10¹⁴@25