镧火石玻璃: TLaF

牌号

n d

n F- n C

V d

n h

n g

 

n F

n e

n D

n c

n r

气泡级别

光吸收类 别

α [ 10 - 7 / o C

20-120 o C 

 

Tg o C

耐潮

耐酸

密度

g / cm 3

△ p g.F

△ P F.d

TLaF1

1.69362

0.01410

49.19

1.71878

1.71141

1.70354

1.69696

1.69350

1.68944

1.68706

A0-A

1-4

70

630

2

3a

3.65

-0.0034

0.0031

TLaF2

1.71700

0.01497

47.90

1.74281

1.73577

1.72745

1.72056

1.71686

1.71248

1.70993

A0-A

1-4

73

630

3

3a

3.97

-0.0081

-0.0029

TLaF3

1.74400

0.01656

44.93

1.77284

1.76496

1.75562

1.74794

1.74385

1.73906

1.73630

A0-A

0-2

70

610

3

2b

4.03

-0.0050

-0.0005

TLaF4

1.74950

0.02142

34.99

1.78783

1.77704

1.76461

1.75457

1.74931

1.74319

1.73969

A0-A

1-4

84

575

2

2b

3.82

-0.0059

-0.0009

TLaF6

1.75719

0.01584

47.80

1.78446

1.77706

1.76826

1.76096

1.75705

1.75242

1.74974

A0-A

1-3

60

655

1

2a

4.13

-0.0085

-0.0022

TLaF7

1.78179

0.02108

37.09

1.81964

1.80895

1.79667

1.78678

1.78610

1.77559

1.77216

A0-A

3-5

85

610

3

3b

4.29

0.0000

0.0005

TlaF8

1.78427

0.01899

41.30

1.81775

1.80845

1.79762

1.78878

1.78410

1.77863

1.77548

A0-A

3-5

71

635

2

2b

4.31

-0.0050

-0.0007

TlaF9

1.78443

0.01788

43.87

1.81555

1.80702

1.79696

1.78868

1.78427

1.77908

1.77609

A0-A

2-3

60

650

2

1b

4.30

-0.0082

-0.0019

TLaF10

1.78831

0.01663

47.40

1.81693

1.80917

1.79993

1.79226

1.78816

1.78330

1.78048

A0-A

0-2

61

660

2

1b

4.32

-0.0091

-0.0025

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