Kimble has not produced IN-3 glass in over a decade, but now our supplier has been licensed by Kimble Glass of Vineland, NJ to produce this excellent sealing glass. This glass was developed to seal to 96% alumina ceramic, tantalum and 42% nickel iron alloy (ASTM F30). It is available in flake; ground and screened, spray dried or blended. Contact us at sales@glassdynamicsllc.com.
| Sealing Glass: Kimble IN-3® | |||
|---|---|---|---|
Glass Code: Kimble IN-3® |
IN-3 |
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Type |
Borosilicate |
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Color |
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Principal Use: Alumina Ceramic, Tantalum and Nickel Iron Alloy |
Sealing |
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Thermal Expansion |
Multiply by 10-7 cm/cm/°C |
0 -300°C |
56.0 |
Thermal Contraction |
25°C. to Setting Point |
71.0 |
|
Working Point |
Log Viscosity = 4 |
1155° C |
|
Softening Point |
ASTM-C-338 |
710° C |
|
Annealing Point |
ASTM-C-336 |
521° C |
|
Strain Point |
ASTM-C-336 |
479° C |
|
Density-Annealed gm/cc |
2.32 |
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Log10 of Volume Resistivity ohm/cm |
250°C |
7.1 |
|
350°C |
5.7 |
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Dielectric Properties (1MHz 25°C) |
Dielectric Constant |
6.7 |
|
Loss Factor % |
4.0 |
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Refractive Index |
1.49 |
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