Properties | Requirements | ||
Resistance to soldering heat | Pass, (only for sleeving having nominal bore Dia. 1.0 - 5.0mm) | ||
Bending after heating | No cracking or detachment of coating shall be visible after bending around mandrels after 96h at 130ºC | ||
Bending at low temperature | No cracking or detachment of coating shall be visible after bending around mandrels while at -25ºC | ||
Hydrolysis of coating | No running of the coating, adherence between sleeving and paper, between the pieces of sleeving nor any sign of discoloration of the paper. | ||
Insulation resistance | at room temp. 1x103 MW after damp heat 1x101 MW | ||
Flame propagation | Method A, 60s max. in addition, the indicator flag on any one of the three test specimens shall not be burned nor shall flaming or glowing particles of flaming drops cotton. | ||
Temperature index | 105ºC | ||
Breakdown voltage, KV min. Straight mandrel with 25mm electrode | Room temp. | Elevated temp | Damp heat |
Central value Lowest individual value | 4.0 2.5 | 1.2 0.8 | 1.2 0.8 |