Ultrawhite B270 optical glass windows China Manufacturer

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Ultrawhite B270 optical glass windows

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Payment Type: T/T,Paypal

Terms of Trade: FOB,CFR,CIF,EXW

Delivery Time: 10

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Basic Info

Model No.:B270

Additional Info

Packaging: carton package

Productivity: 10000pcs/month

Brand: Haisheng

Transportation: Ocean,Air

Place of Origin: China

Supply Ability: 10000pcs/month

Certificate: Iso9001

HS Code: 9001909090999

Port: Shanghai

Product Description

ultrawhite B270 optical glass

Product description:

Colorless optical glass is mainly for BK7, B270, quartz glss of JGS1,JGS2,JGS3 and other materials. And we can custom made according to customers requirements. Its transmission is 7% higher than common glass, it can arrive at 99%.

And B270 show windows common size for 300*400, 400*600, etc.

Colorless optical glass--B270 technology requirement

Model Thickness λtj λ0 Tλ0 K

(mm) (nm) (nm) (%)

B270 1-5 310±10 400 ≥89.5 ≥1.0

B270 Ultra White Glass

Nature of optical Through rate

nd 1.5230

ne 1.5251

ve 58.3

2mm 91.7%

4mm 91.6%

15mm 91.0%

Mechanical performance Standard value

Density 2.55g/cm3

Knoop hardness HK 100 542kg/mm2

Young's modulus E 71.5kN/mm2

Poisson's ratio μ 0.208

Thermal properties Standard value

Strain point 511°C

Annealing Point 541°C

Softening point 724°C

Coefficient of thermal expansion 9.4×10E-6/K

Chemical performance Standard value

Deliquescence(ISO719) HGB3

Acid resistance(ISO1776) 2

Alkaline resistance(ISO695) A2

Technology Index: