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Peelable Heat Sealable PET Disk

Grade: Peelable - Heat Sealable
Formula: Polyester, PET, PETP
Form: Disk
Material: Polyethylene terephthalate (PET)
CAS Number: 25038-59-9
Commodity: Polymers
Thickness: 0.038mm
Color: Clear
The Peelable Heat Sealable PET Disk features an adhesive-backed polyester film. With 2 variations, these disks are designed for temporary bonding applications by providing adhesion combined with clean removability. The polyester film can be adhered to substrates when heat and pressure are applied, then can be cleanly removed and repositioned when required. Its applications include being used as a masking material during processes like electroplating, anodizing and powder coating where easy removal is desired after processing steps are complete.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Disk
Thickness ±20%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Good-Poor
Acids - dilute Good
Alcohols Good
Alkalis Poor
Aromatic hydrocarbons Good-Fair
Greases and Oils Good
Halogenated Hydrocarbons Good-Poor
Halogens Fair-Poor
Ketones Good-Fair
Mechanical Properties
Element Value
Coefficient of friction 0.2-0.4
Hardness - Rockwell M94-101
Poisson's ratio 0.37-0.44
Tensile modulus( GPa ) 02-Apr
Izod impact strength( J m⁻¹ ) 13-35
Tensile strength( MPa ) 80, for biax film 190-260
Electrical Properties
Element Value
Dielectric constant @1MHz 3
Dissipation factor @ 1kHz 0.002
Dielectric strength( kV mm⁻¹ ) 17
Surface resistivity( Ohm/sq ) 10¹³
Volume resistivity( Ohmcm ) >10¹⁴
Physical Properties
Element Value
Flammability HB
Radiation resistance Good
Refractive index 1.58-1.64
Resistance to Ultra-violet Fair?
Limiting oxygen index( % ) 21
Water absorption - equilibrium( % ) 0.7
Water absorption - over 24 hours( % ) 0.1
Density( gcm⁻³ ) 1.3-1.4
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 115
Heat-deflection temperature - 1.8MPa( C ) 80
Lower working temperature( C ) 20
Upper working temperature( C ) 115-170
Specific heat( J K⁻¹ kg⁻¹ ) 1200-1350
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.15-0.4@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 20-80

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    Inherent Viscosity: 0.80 dl/g
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