Technical Data Sheet
Safety Data Sheet
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PET Disc

Our PET Discs are available in a comprehensive choice of 330 variations, with different diameters, thicknesses and surface finishes to accommodate a wide range of applications. PET, or polyethylene terephthalate, is known for its mechanical strength, chemical resistance and optical clarity. Common uses for PET Discs include spacers, washers, and substrates in scientific instrumentation and industrial equipment. Our huge variety of PET Discs allows engineers and researchers to select the optimal product for their specific application.
Thickness: 0.175mm
Structure: Biaxially Oriented
Colour: Clear
Diameter: 50mm
Technical Name: Polyethylene terephthalate
Formula: Polyester, PET, PETP
Density: 1.39g/cm³
CAS Number: 25038-59-9
UOM Code: 102-772-83
SKU: 1000016212
Product Code: ES30-FM-000140

Tolerances

Disc
Thickness ±20%
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€105.54
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Tolerances

Disc
Thickness ±20%
Technical Data Sheet
Safety Data Sheet

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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
Other Customers Purchased
  1. €104.97
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  2. €105.98
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  3. €104.95
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  4. €105.12
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  5. €105.31
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  6. PET Disc Thickness: 0.25mm
    Structure: Amorphous
    Transparency: Transparent
    Colour: Transparent
    Diameter: 12.5mm
    Technical Name: Polyethylene terephthalate
    Formula: Polyester, PET, PETP
    Density: 1.39g/cm³
    CAS Number: 25038-59-9
    UOM Code: 106-806-43
    €105.05
    each
    Discounts applied for volume purchases
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