Inclusions max 0.03mm2 /100cm3 (class 0)
Specifications
- Vacuum Leak Rate UHV <5x10-10 mbar l/s
- Size or DN DN63CF (4 ½ " OD flange)
- Compliance ISO 3669:2017
- Vacuum Seal Annealed Cu Gasket
- Body Material Stainless Steel 304
- Temperature Range -100°C to 200°C
- Inside Diameter 68mm
- Flatness λ/4 @632nm
- Coating BBAR 550-1099
- Parallelism <10 arc sec
- Surface Finish 20-10 Scratch-dig
- Optical Material Fused Silica grade A, 3D
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