Glass Materials

Types of Technical Glass Materials

As one of the largest glass suppliers in the United States, Elan offers hundreds of specific glass formulations and colors that cater to a variety of needs and specifications. These glass materials can be divided into three categories:

Hard Glasses

A typical silica based glasses with a Coefficient of Thermal Expansion lower than 6 ppm/°C. These are most commonly used to form matched seals with the likes of Kovar, Molybdenum and Tungsten. Typical hard glasses are Alkali Barium Borosilicate and Alkali Borosilicate. Some of the most common Elan hard glasses are Elan 14, Elan 19 and Elan 88.

Soft Glasses

These are the glasses with a Coefficient of Thermal Expansion above 6 ppm/°C. The most common use for these types of glasses is forming hermetic seals between Alloy 52 pins and Stainless Steel housings. Soft glasses are also used for many other compression sealing applications. Typical soft glasses are Soda Lime glass and Alkali Barium glass. Elan’s most popular soft glasses are Elan 13, Elan 26, Elan 48 and Elan 82.

Specialty Glasses

As an independent company with over 70 years of experience, Elan Technology has developed and acquired many glasses for specific uses such as lithium battery sealing glasses, titanium sealing glasses, aluminum sealing glasses and Elan 46 ceramic-glass composite.

Learn more about Elan Technology’s specialty glass preforms and components for hermetic sealing.

For additional details and recommendations, please review our the glass recommendations documentation.

Elan 05

Density: 2.48/ 2.60

Coefficient of Expansion: 88

Dielectric Constant: 5.6

Comments:
Corning 9010 Substitute

Common Uses:
Hermetic compression seals for feedthroughs and connectors

Details

Elan 09

Density: 2.48/2.60

Coefficient of Expansion: 88.5

Dielectric Constant: 6.7

Comments:
Designation for Corning 9013

Common Uses:
Transistor outline headers, telecom packages and multi pin hermetic headers

Details

Elan 11

Density: 2.48/2.60

Coefficient of Expansion: 89

Dielectric Constant: 6.3

Comments:
Designation for Corning 9010

Common Uses:
Hermetic compression seals with Dumet, SAE 1010 CRS or Stainless Steel Grade 430

Details

Elan 13

Density: 2.48/2.60

Coefficient of Expansion: 89

Dielectric Constant: 5.6

Comments:
Corning 9013 Substitute

Common Uses:
Feedthroughs, headers and hermetic seals with No. 4 Alloy or No. 52 Alloy

Details

Elan 42

Density: 2.48/2.64

Coefficient of Expansion: 92

Dielectric Constant: 7.1

Comments:
Designation for Fusite T

Common Uses:
Compression seals, commonly with Cold Rolled Steel or Stainless Steel Housing

Details

Elan 47

Density: 2.48/2.56

Coefficient of Expansion: 90

Dielectric Constant: 5.8

Comments:
Shock-Resistant

Details

Elan 48

Density: 2.50/2.65

Coefficient of Expansion: 90

Dielectric Constant: 7.7

Comments:
Fusite T Substitute

Common Uses:
Compression seals, commonly with Cold Rolled Steel or Stainless Steel Housing

Details

Elan 63

Density: 2.40/2.48

Coefficient of Expansion: 101

Dielectric Constant: 5.4

Details

Elan 65

Density: 2.40/2.48

Coefficient of Expansion: 86

Dielectric Constant: 5.5

Details

Elan 14

Density: 2.12/2.20

Coefficient of Expansion: 47.5

Comments:
Corning 7052 & Kimble EN-1 Substitute

Common Uses:
Matched seals with Tungsten or Kovar

Details

Elan 16

Density: 2.12/2.20

Coefficient of Expansion: 45

Dielectric Constant: 5.0

Comments:
Designation for Fusite K

Common Uses:
Matched seals with small diameter pins, commonly Kovar

Details

Elan 19

Density: 2.12/2.22

Coefficient of Expansion: 57

Comments:
Kimble IN-3 Substitute

Common Uses:
Matched seals with Molybdenum, Kovar or 42% Nickel Iron Alloy

Details

Elan 21

Density: 2.12-2.20

Coefficient of Expansion: 48.4

Dielectric Constant: 5.1

Comments:
Designation for Corning 7052

Common Uses:
Matched seals with Tungsten or Kovar

Details

Elan 22

Density: 2.20/2.28

Coefficient of Expansion: 51.5

Dielectric Constant: 5.7

Comments:
Designation for Corning 7056

Common Uses:
Electronics

Details

Elan 88

Density: 2.20/2.28

Coefficient of Expansion: 56

Dielectric Constant: 5.0

Comments:
Kovar Sealing Glass

Common Uses:
Matched seals with Molybdenum, Kovar or 42% Nickel Iron Alloy

Details

Elan 15

Density: 2.22

Coefficient of Expansion: 33

Comments:
Corning Pyrex Substitute

Common Uses:
Applications requiring heat resistance

Details

Elan 28

Density: 2.03/2.12

Coefficient of Expansion: 30.5

Dielectric Constant: 4.1

Comments:
Designation for Corning 7070

Common Uses:
Compression seal with Nickel Alloys No. 42, No. 52 or No. 4, or with Kovar

Details

Elan 46

Density: 2.27

Coefficient of Expansion: 110-220

Dielectric Constant: 6.0

Comments:
Sealable glass-ceramic composite material

Common Uses:
Matched hermetic seals, with SAE 1010 Cold Rolled Steel or Stainless Steel Grade 430

Details

Elan 82

Density: 2.36/2.44

Coefficient of Expansion: 93

Comments:
Kimble R-6 Substitute

Common Uses:
Matched seals with No. 4 Alloy or No. 52 Alloy

Details

Elan 26

Density: 2.38/2.50

Coefficient of Expansion: 89

Dielectric Constant: 5.5

Comments:
Compressor Sealing Glass

Common Uses:
Soft glass for compression seals with Dumet

Details

Elan 52

Density: 3.16

Coefficient of Expansion: 82

Comments:
Lithium Battery Sealing Glass

Details

Elan 56

Density: 2.84

Coefficient of Expansion: 160

Comments:
ALSG-32 / AL Sealing Glass

Details

Elan 91

Density: 2.53/2.57

Coefficient of Expansion: 62

Comments:
Designation for Cabal 12

Common Uses:
Battery sealing applications

Details

Elan 92

Density: 2.70

Coefficient of Expansion: 61

Comments:
Designation for TA-23

Common Uses:
Ambient temperature lithium batteries

Details

To view Elan Technology’s Glass Materials full technical details, click here.

Elan Technology offers additional glass materials beyond the items described above, including leaded glasses — please contact us for more information.

Any single value density (i.e., Elan 15, Elan 46, etc.) is reference.

The data above is to be used as a reference only. Please contact us for full details and product inquiries.