rsed in 15 minutes, there are no air bubbles; Or observed for 24 hours, there is no change of air pressure.Re-encapsulation Performance: The closures are pressurized up to 100KPa±5KPa in water, immersed in 15 minutes, there are no air bubbles; Or observed for 24 hours, there is no change of air pressure after three times of repeat encapsulation.?Voltage-resistance strength: Under the effect of 15kv/DC/1min, non-puncture, and no arc-over.Insulation resistance: ≥2X104MΩMaximum capacity: 144cor