Description
High borosilicate window glass sight glass sheet
Thickness(mm):0.1-30mm
Size tolerance:+/-0.02mm
Edge Finish:Ground and beveled
Surface Quality:60-40 scratch-dig
Surface Flatness:λ/4 @ 633 nm
Parallelism:≤3 arc min (≤0.9 mrad)
Transmistance:>90%
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