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Pyrex Concave Mirrors
Pyrex Concave Mirrors chosen for mirrors usually depends on it surface quality, durability, adhesion of coatings, resistance to thermal expansion,etc.
Product details
产品指标如下：
Material Pyrex glass or substitute
Dia tolerance (inch) +0, -0.005
Dia tolerance (mm) +0, -0.13
Center Thickness tolerance ±0.010” (±0.25 mm)
Clear Aperture 85% Central Diameter
Parallelism 3 arc min
Surface Accuracy 1/4 wave at 633 nm
Surface Quality 60/40
Coating Protected Silver
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