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Home > Products > Cryogenic Accessories > Varnish
 
 
Wire Cable Grease Epoxy Misc Accesories Solder
 
 
 
Varnish
Max temperature
423 K
Thermal conductivity
1 K  
0.034 W/(m • k)
4.2 K  
0.062 W/(m • k)
77 K  
0.22 W/(m • k)
100 K  
0.24 W/(m • k)
300 K  
0.44 W/(m • k)
Thermal expansion (1/K)
Volume resistivity
Shelf-life (298 K)
Pot life
Cure schedule
5 min to 10 min drying time
Dielectric strength
Dielectric constant
Vapor pressure
Partial
 
Specifications

Maximum operating temperature:
423 K (150 ºC)

Thermal conductivity:
1 K (-272 ºC) - 0.034 W/(m • K)
4.2 K (-269 ºC) - 0.062 W/(m • K)
77 K (-196 ºC) - 0.22 W/(m • K)
100 K (-173 ºC) - 0.24 W/(m • K)
300 K (27 ºC) - 0.44 W/(m • K)

Percent solids by weight: 18 to 20%

Viscosity at 298 K (25 ºC):

1.3 kg/(m-s) (1300 cP)

Specific gravity at 298 K (25 ºC):
0.88

Flash point, closed up:
269 K (-4 ºC)

Drying time (25 µm film, tack free):
5 min
to 10 min at 298 K (25 ºC); 2 min to 5 min at
398 K (125 ºC)

Solvent system:
Xylene, alcohol, acetone

 

Note: The solvents in the varnish have a tendency to craze Formvar® wire insulation. The wire cannot be distributed during curing of the varnish (typically 12 to 24 hours at room temperature)

Classified as hazardous cargo by the U.S. Government. UPS Ground shipment only. Available in continental U.S. only.

 
 
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