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Presspan

Presspan are employed in electrical machines for layer insulation, slot, insulation, slot closure and interphase insulation as a result of the general frenf fowards performance increase these materials are submitted to high electrical and thermal stresses. Good mechanical strength is the prerequisite for automatic processing by the customer. These demands are met in particular by combined flexible insulating material in multi-layer structures of pressboard, polyester and polymidde foils, of aramide paper and various non-woven fabrics.



Images



Material Properties

Apparent density

1.1∼1.2 g/cm3

Humidity

6-8%

Ash content

Máximo 3%

Tensile strength

MD maximun 65 N/mm2 CMD maximun 35 N/mm2

Elongation at break

MD minimum 2.5% CMD minimum 6.5%

Dielectric strength

maximun 6 KUImm


Available

Widths

From 0.15-1mmm

Coils (width)

640-1280mm

Plates

640-800mm 800-1280mm

Rolls

Minimum thickness 0.15mm