Właściwości

  • Operating temperature: AK, AKB, AKF from -30°C up to +135°C,  AKR  from -40°C up to +120°C

  • Shrink temperature: > +125°C.

  • Elongation at rupture: minimum 300%.

  • Tensile strength: no less than 13 MPa

  • Longitudinal shrink: not more than 10%

  • Volume resistivity: AK, AKB, AKF: minimum 1013 Ωcm, AKRF: minimum 1012 Ωcm

  • Self-extinguishing: relates to AKR

  • No corrosion In contact with CU

  • Resistant to UV radiation

  • Resistant to creeping current: breakouts red – AKR

  • Dielectric strength: minimum 10kV/mm.

  • Resistance to heat shock: no cracks, no flow (measurement for 4 hours at 250°C)

  • Heat ageing: no cracks, no flow (measurement for 500 hours at 120°C)

  • Colours: AK, AKB, AKF: czarny, AKR: red

  • They have excellent insulating properties and sealing


A – inner diameter before shrinking

A1 – inner diameter after shrinking

a – the inner diameter of the finger

a1 – inner diameter of the finger after shrinking

H – length

H1 – length after shrinking

h – the length of a finger

h1- finger length after shrinking

d2 - inner diameter of central finger