Red glass Characteristic

Type

Thickness
(mm)

A[2856k]

D65

Chemical Stability

ND

α×10-7
(℃)

Tg
(℃)

Ts
(℃)

S

x

y

Y

x

y

Y

DA

DW

HB600

2

0.680

0.319

27.0

0.675

0.325

16.5

1

2

1.523

103

527

605

2.64

HB610

2

0.695

0.305

18.4

0.690

0.310

10.7

1

2

1.523

103

527

605

2.64

HB630

2

0.713

0.287

10.4

0.711

0.289

5.5

1

2

1.523

103

527

605

2.64

HB640

2

0.724

0.276

5.0

0.723

0.277

2.4

1

2

1.523

103

527

605

2.64

HB650

2

0.728

0.272

3.2

0.728

0.272

1.5

1

2

1.523

103

527

605

2.64

HB670

2

0.731

0.269

1.1

0.730

0.270

0.5

1

2

1.523

103

527

605

2.64

HB685

2

0.734

0.266

0.3

0.734

0.266

0.1

1

2

1.523

103

527

605

2.64

HB700

2

0.735

0.265

0.0

0.735

0.265

0.0

1

2

1.523

111

534

592

2.64

Type

Thk(mm)

Cut on
(nm)

Range
(nm)

Trans
(%)

Bubble

Stripe

Stress

HB600

2

600 ± 10

680-2500

≥88.7

C-B

3C

3

HB610

2

610 ± 10

680-2500

≥88.7

C-B

3C

3

HB630

2

630 ± 10

700-2500

≥88.7

C-B

3C

3

HB640

2

640 ± 10

720-2500

≥88.7

C-B

3C

3

HB650

2

650 ± 10

720-2500

≥87.5

C-B

3C

3

HB670

2

670±10

750-2500

≥87.5

C-B

3C

3

HB685

2

685±10

800-2500

≥83.6

C-B

3C

3

HB700

2

700±10

800-2500

≥79.8

C-B

3C

3

HB720

3

720±10

800-2500

≥80.0

C-B

4

3