Polyester heaters

The etched heating element has superior heat transfer and exceptionally uniform heat output, which results in a faster warm-up cycle and longer life. Use this heater to cover large areas with uniform heat, for flat or gently curved surfaces. Etched foil polyester heaters can be designed and fabricated in many types of configurations to fit the size and shape required by your application.

Benefits of polyester heaters:

Low wattage
Distributed wattage
Edge loss compensation
Very small heaters can be precisely manufactured
Economical mass production
Accurate reproduction of complex circuits

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Technical data

Max. element temperature	105 °C (221°F)
Min. element temperature	-60°C (-76°F)
Dielectric strength at 20°C AS per ASTM KV/mm	175
Thermal conductivity at 100 °C W/(m•K)	0.16
Moisture absorption as per ASTM D-570-63. (24h immersion at 23°C)	0.8%
Waterproof as per IEC 335-1 sect. 15-16	yes
Constant of dielectricity at 25°C, 50Hz	3.3
Bending radius, min.	1 mm
Max. element width	600 mm
Power density	0,6 W/cm²
Resistance tolerance	As standard, ±10% of nominal.Tolerance down to ±2% available
Rated voltage	Up to 1000 V AC/DC single or 3 phase