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Wloptical Co., Ltd
Wloptical is an optical vendor!
Wloptical Co., Ltd
Wloptical Co., Ltd
City: Changchun
Province/State: Jilin
Tel: 86-431-85820326
Contact Person:
Mr. Luke Pang

B270-Superwite is an universal, economically priced quality glass, with a high transparency for visible and near infrared light. The crown glass from Schott has a colorless, white appearance and is particularly clear. B 270 is available as drawn, fire-polished sheet glass or as unpolished bar raw glass. The B270 sheet material is available at many different standard thicknesses and can be used without further surface treatment if surface quality is uncritical. To meet more demanding optical surface quality requirements, B270 can be mechanically ground and optically polished. This facilitates B270 to be used for sophisticated optical quality applications, while keeping the cost under control.

Specifications of B 270-Superwite

Optical Properties
Optical Transmission spectrum of B 270
UV-Transmission of B 270
Abbe numbers:
ve = 58,3 +/-0,6
vd = 58,5


Description

Wavelength (nm)

Refractive Index (20°C)

ng

436

1.5341

nF'

480

1.5297

nF

486

1.5292

ne

546

1.5251

nd

587.5

1.5230

nD

589.3

1.5229

nC'

644

1.5207

nC

656

1.5203


Mechanical Properties
Density 2,55 g/cm3
Young's modulus E 71,5 kN/mm2
Poisson's ratio μ 0,219
Torsion modulus G 29,3 kN/mm2
Knoop hardness HK100 542


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B270 Images

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