Several series, and the longest length is about 6 meters,and which get our nation's patents.

Long Defrosting Electric Heating Element

1.   Damp insulation resistance ≥ 200MΩ

2.   Insulation resistance after wet and hot test ≥ 30MΩ

3.   Damp insulation current ≤ 0.5mA

4.   Surface electric density ≤ 3.5W/cm2

5.   Operating temperature: 150oC (MAX: 300oC)