德国 Kerafol Keratherm 导热绝缘垫片

德国 Kerafol Keratherm 86/37 86/17 86/27 86/47 导热绝缘垫片

KERATHERM®green

This silicone elastomer film is characterized by its excellent electrical values. It exhibits good thermal behavior. Optional fibre glass reinforcement leads to very goodmechanicalproperties.Thesefilm types possess excellent mechanical stability along with good perforation strength. Due to its structure, Keratherm green is extremely self-adhesive.

Additional adhesive coatings available.

• - automotive

• - telecommunication units

• - high voltage units

• - DC-DC converters

Kerafol Keratherm 86/37 86/17 86/27 86/47 导热绝缘垫片

Colour green

Thermal Properties

Thermal resistance Rth K/W 0.32 Thermal impedance Rti °Cmm²/W 129 Kin²/W 0.20

Thermal conductivity λ W/mK 1.8

Electrical Properties

Breakdown voltage Ud; ac kV 8.0

Dielectric breakdown Ed; ac kV/mm 26.0

Volume resistivity Ωm 2.5 x 10¹¹

Dielectric loss factor tan δ 6.0 x 10-3

Dielectric constant ε r 2.9

Mechanical Properties

Measured thickness (+/-10%) mm 0.225

Hardness Shore A 65 - 75

Tensile strength N/mm² 2.0

Elongation % 75

Physical Properties

Application temperature °C -60 to +250

Density g/cm³ 2.29

Flame rating UL-94 V-0

Possible thickness details see page 57