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Flexible film heating element.mica thermicFlexible film heating element. Functional characteristic Radiating each side,large heating area,high speed warm boot, high heating efficiency . Barotolerance, double insulation, safe and reliable . Far infrared radiation, health care efficacy. Heat downy, noiseless, odorless and lightless, environmental sanitation, suitable for household use. Light and thin material, good antiseismic design. Tenical requirements Design requirements : Be in accordance with GB4706· 1 -2003 and GB4706.23-1998 . Size350X180 mm Temperature220280 VoltageAC 220V Power600W,according to the international standard. Pressure requirements : At room temperature conditions, it has no the phenomenont of flashover and puncture after withstanding the impact of ac 1800V. Insulation resistance is more than 100MΩ in the normal work. Leakage current is less than 0.5 mA in the temperature of 0-80°C and the conditions of the working voltage the same as the rated voltage. Life-span is more than 3000 hours in the normal working.