Specialty Materials for Electronic Assembly
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All Categories > Electrically Conductive Tape & Composite Adhesives > Electrical Insulation and Isolation Tapes > Polyester Films > Film-Polyester Backing Substrates > Item # M741  
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Item # M741, Film-Polyester Backing Substrates


Film-Polyester Backing Substrates

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Polyester films have excellent dimensional stability, high tensile, tear, and impact strengths, and ultimate elongation up to 120% of its original dimensions. These films exhibit low water absorption and good resistance to oils, greases, strong acids, and organic solvents. They also retain electrical properties, dielectric strength and dielectric constant in continuous operating temperatures from -100°F to 350°F (-73°C to 177°C). Applications include transformer and capacitor wrapping, printed circuit board fabrication, splicing tapes, composite bonding protection, and low-cost masking.




 Specifications   

Color
Blue

Adhesive System
S

Backing Thickness
1.0 mil
0.025 mm

Adhesive Thickness
2.0 mil
0.051 mm

Total Thickness
3.0 mil
0.076 mm

Adhesion Strength
25 oz/in
276 g/cm

Tensile Strength
25 lb/in
4.5 kg/cm

Elongation
100 %

Dielectric
5.0 kV

Insulation Class
130 ºC

Min Temperature Range
-100 ºF
-73 ºC

Max Temperature Range
350 ºF
177 ºC

Comments
High Tack Silicone Adhesive