Heat resistance

After the sleeving has been treated under a temperature of250±3°C in a cabinet (or 24 hours the coating of the sleevingsshould not appear detached, and discolored.

Self-extinguishment

Shorter than 10 seconds if the diameter of the sleeving is (orless than) 3.5mm. But shorter than 15 seconds if the diameter ofthe sleeving is 4 to 27mm.

Breakdown voltage

Type II Not lower than 1500V