Abbe Number (v_d):

65.41

Bevel:

Protective as needed

Clear Aperture (%):

≥90

Clear Aperture CA (mm):

45.00

Diameter (mm):

50.00 ±0.5

Thickness (mm):

3.30 ±0.2

Coating:

Uncoated

Coefficient of Thermal Expansion CTE (10^-6/°C):

3.25 (+20 to +300°C)

Density (g/cm³):

2.23

Edges:

Ground

Index of Refraction n_d:

1.472

Knoop Hardness (kg/mm²):

480

Operating Temperature (°C):

1 hour @ 500; >100 hours @ 450

Poisson's Ratio:

0.2

Resistance to Temperature Difference (K):

Short Term, 1 hr: 110K
1 - 100 hrs: 90K
Long Term, >100 hrs: 80K

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

BOROFLOAT^®

Surface Flatness (P-V):

4 - 6λ

Surface Quality:

80-50

Thermal Shock (K):

Up to 4mm Thick: 175K
4 - 6mm Thick: 160K
6 - 15mm Thick: 150K

Transformation Temperature (°C):

525

Transmission (%):

90

Type:

Protective Window

Wavelength Range (nm):

350 - 2000

Young's Modulus (GPa):

64

Regulatory Compliance

RoHS 2015:

Compliant

Reach 211:

Compliant

Certificate of Conformance:

View

產品系列說明

熱膨脹係數低
出色的可見光至近紅外穿透能力
很高的熱衝擊抵抗能力

BOROFLOAT®硼矽酸鹽窗口片非常適用於高溫及惡劣環境的應用。與常見的硼矽酸鹽窗口片不同，BOROFLOAT®硼矽酸鹽窗口片的生產採用漂浮技術，可產生無與倫比的表面準確度 (通常為每英寸4 - 6λ)。BOROFLOAT®的熱衝擊抵抗能力較標準的鈉鈣玻璃高出大約三倍。

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50mm Diameter x 3.3mm Thickness, Uncoated, BOROFLOAT® Window

Regulatory Compliance

產品系列說明