Datasheet

Overall
thickness
Tensile
strength
Thermal resistance
Type Film structure
mm N/mm² K/W Kin²/W
70/60
70/50 with reinforcement and adhesive coating 0.275 10 0.52 0.34
®
Keratherm - brown
standard films
Applications:
Automotives
Audio and video components
White Goods
Power converters
(AC-DC, DC-DC)
®
Keratherm brown with its very good thermal properties is an excellent choice for cost-effective solutions. These fibreglass
reinforced films along with their very smooth surface has very good thermal resistance with a high insulation capacity at
low mounting pressures.
®
Options for Keratherm -brown (standard film)
The following thicknesses are available: 0.250 mm; 0.3 mm; 0.4 mm; 0.5 mm;
Engine controllers
LCD displays
Properties Unit 70/50
with fibre glass
Color brown
Thermal properties
Thermal resistance R
th
K/W 0.44
Thermal impedance R
ti
°Cmm²/W
Kin²/W
178
0.27
Thermal conductivity λ
W/mK 1.4
Electrical properties
Breakdown voltage U
d; ac
kV 4.0
Dielectric breakdown E
d; ac
KV/mm 16
Volume resistivity
Ωcm
1.0 x 10
13
Dielectric loss factor tan δ
1 7.3 x 10
-3
Dielectric constant ε
r
1 3.6
Mechanical properties
Overall thickness (+/-10%) mm 0.250
Hardness Shore A 85
Tensile strength N/mm² 10
Elongation % 5
Physical properties
Application temperature °C -40 to +200
Density g/cm³ 2.25
Flameclass UL 94V-1
Datasheet
Stegenthumbach 4 - 6
92 676 Eschenbach
Tel.: [phone]
Fax: [phone]
[e-mail]
www.kerafol.com
Keramische Folien GmbH
KERAFOL
Hightech aus der Oberpfalz
The data presented in this leaflet are in accordance with the present state of our knowledge. All statements, technical information and recommendations herein are based on tests we believe to be reliable.
The customer is thereby not absolved from carefully checking all supplies immediately on receipt. The recommendations made in this catalogue should be checked by preliminary trials because of
conditions during processing over which we have no control, especially where other companies' raw materials are also being used. Before using, user shall determine the suitability of the product for its
intended use, and the user assumes all risks and liability whatsoever in connection there with. We reserve the right to alter product constants within the scope of technical process or new developments. The
recommendations do not absolve the customer from the obligation of investigating the possibility of infringement of third parties right and, if necessary, clarifying the position. Sellers' and manufacturer' only
obligation shall be to replace such quantity of the product proved to be defective. Neither seller nor manufacturer shall be liable either in tort or contract for any loss or damage, direct or incidental, or
consequential, including loss of profits or revenue arising out of the use or the inability to use a product. No statement, purchase order or recommendations by seller or purchaser not contained herein shall
have any force or effect unless in an agreement signed by the officers of the seller and manufacturer. last updated: Nov.2006