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Standard Films
Keratherm Brown
 
Description
Keratherm Brown represents a well-balanced ratio of cost-effective solution and very good thermal properties. These fiberglass reinforced films along with their very smooth surface exhibit very good thermal resistance properties with a high insulation capacity at low mounting pressures.
Applications
automotive
white goods
engine controllers
audio and video components
LCD displays
power converters
(AC-DC, DC-DC)
 
Standard Films: Keratherm Brown
Property 
Symbol
Unit
70/50
70/60
Color  
brown
brown
Thermal Properties
Thermal Resistance
Rth
K/W
0.44
0.52
Thermal Impedance
Rti
°Cmm²/W
Kin²/W
178
0.27
-
0.34
Thermal Conductivity
l
W/mK
1.4
-
Electrical Properties
Breakdown Voltage
Ud;ac
kV
4.0
4.0
Dielectric Breakdown
Ed;ac
kV/mm
16
16
Volume Resistivity  
Wcm
1x1013
1x1013
Dielectric Loss Factor
tan d
1
7.3x10-3
7.3x10-3
Dielectric Constant
er
1
3.6
3.6
Mechanical Properties
Overall Thickness
(±10%)
mm
0.250
0.275
Hardness  
Shore A
85
85
Tensile Strength  
N/mm²
10
10
Elongation  
%
5
5
Physical Properties
Application Temperature  
°C
-40 to +200 
-40 to +200 
Density
r
g/cm³
2.25
2.25
Flame Class  
UL
94V-1
94V-1
with Adhesive Coating  
 
no
yes
Reinforced with Fiberglass  
 
yes
yes
 


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