transparent insulation polyester film for capacitors

PET Capacitor Base Film 1.Good eletrical insulation 2.Good dielectric property 3.Chemical inertness 4.Stable shrinkage

Polyester Capacitor Film

Characteristics:

1.Good eletrical insulation 

2.Good dielectric property

3.Chemical inertness

4.Stable shrinkage and thickness

Applications:

Capacitor film is widely used as the dielectric in film capacitors and also as the insulation in transformers and solenoids.

Specifications:

Thickness	Width/Roll Diameter	Roll ID
3.5~25μm	Customized	76mm(3’’),152mm(6’’)
Note:Other specifications are customized.

  

Typical Physical Properties:

Items	Units	Typical     Values			Testing Methods
Thickness	μm	3.8	6.0	23	DIN53370
Tensile Strength(MD/TD)	MPa	210/210	210/210	210/210	ASTM D 882
Elongation at Break(MD/TD)	%	120/100	120/100	130120	ASTM D 882
Shrinkage(MD/TD)150°C, 30min	%	2.2/0.5	2.2/0.5	2.2/0.5	ASTM D 1204
DC Breakdown Voltage	V/μm	250	250	200	GB/T13541-92
Relative dielectric constant 1kHz	——	3.2	3.2	3.2	GB/T13541-92
Dissipation Factor 50Hz	——	2.3×10-³	2.8×10-³	2.8×10-³	GB/T13541-92

Note:

MD:Machine Direction;TD:Transverse Direction

The above data can only be regarded as typical physical properties rather than guaranteed values,which can be adjusted at customer’s request.

transparent insulation polyester film for capacitors