KIMBLE IN-3®SEALING GLASS

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
Type
Borosilicate
Color
 
Principal Use: Alumina Ceramic, Tantalum and Nickel Iron Alloy
Sealing
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
Log10 of Volume Resistivity ohm/cm
250°C
7.1
350°C
5.7
Dielectric Properties (1MHz 25°C)
Dielectric Constant
6.7
Loss Factor %
4.0
Refractive Index
1.49

 

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Designed by Kim Kelly