MSE PRO 100 mm SCHOTT D263 Glass Wafer, 500 um Thick, DSP, w/ Bevel, Primary Flat Only

SCHOTT D263 glass is a clear, lightweight, low fluorescence, borosilicate glass. It has a good chemical resistance and uniform optical transmittance in the visible range. It has higher infrared transmission than most other thin glass materials. It is not permeable to moisture and flexible like plastic. 

Order D263 glass wafers with the best price on the market from a trusted materials science supplier, MSE Supplies.

Product Number: WA1201

Material: SCHOTT borosilicate glass

Grade: D263 optical grade

Diameter: 4" (100 +/- 0.1 mm)

Thickness: 500 +/- 50 um

Primary Flat: 32.5±2mm

Surface Polishing: Double Side Polished (DSP) with surface roughness Ra < 1 nm on both the top surface and bottom surface

Surface Finish: S/D 40/20

Physical Properties of D263 glass

• Density: 2.51 g/cm³
• Surface roughness: < 1 nm RMS
• Luminous transmittance τ_vD65 (d = 1.1 mm): 91.7%
• Coefficient of Thermal Expansion: 7.2*10^-6 /°C (20 °C - 320 °C)
• Transformation temperature: 557 °C
• Dielectric constant ε_r at 1 MHz: 6.7
  
• Refractive index n_D 1.5230