polyester base film for membrane touch switch

Polyester Film for Membrane Touch Switch 1.Good flatness 2.Good heat stability,no heat shrinkage 3.Good printability

Polyester Film for Membrane Touch Switche

Characteristics:

1.Good dimensional stability at high temperature.Almost no MD and TD heat shrinkages

2.Good flatness even after heating3.Good printability

4.No surface treatment

Applications:

MTS base film is used in membrance touch switch applications in many consumer and industrial products,such as the flexible circuits of autombile instruments,computers,calculators,telephones,

digital cameras and electric appliances.

 Specificatios:

Thickness	Width/Roll Diameter	Roll ID
50~125μm	Customized	76mm(3’’),152mm(6’’)
Note:Other specifications are customized.

  

Typical Physical Properties:

Items	Units	Typical     Values			Testing Methods
Thickness	μm	50	75	100	DIN53370
Tensile Strength(MD/TD)	MPa	180/180	180/180	180/180	ASTM D 882
Elongation at Break(MD/TD)	%	180/180	190/180	190/180	ASTM D 882
Shrinkage(MD/TD)@150°C, 30min	%	0.7/0.1	0.7/0.1	0.7/0.1	ASTM D 1204
Shrinkage(MD/TD)@170°C, 60min	%	1.0/0.2	1.0/0.2	1.0/0.2	ASTM D 1204
Dielectric Strength	v/μm	170	150	120	GB/T 13541-92
Dissipation Factor 50 Hz	-	2.3×10-3	2.3×10-3	2.3×10-3	GB/T 13541-92
Relative Dielectric conatant 50Hz	-	3.1	3.1	3.1	GB/T 13541-92

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.

polyester base film for membrane touch switch