Additive Free Polymer PS Disk

Grade: Additive Free Polymer

Formula: PS

Form: Disk

Material: Polystyrene (PS)

Commodity: Polymers

Thickness: 0.05mm

Structure: Biaxially Oriented

Transparency: Clear/Transparent

The Additive Free Polymer PS Disk from Goodfellow is a versatile product available in 4 variations. As an amorphous thermoplastic, polystyrene offers excellent insulation properties, chemical resistance and ease of processing. The disks can be customized for size and thickness to suit applications like spacers, washers, and substrates in research and industrial settings. With no additives, the polymer maintains purity for use in analytical chemistry and calibration. Goodfellow's range of polystyrene disks offers scientists and engineers an ideal material for prototyping and small-scale production.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

each

Tolerances

Disk

Thickness		±20%

Material Properties for Polymers

Physical Properties

Element	Value
Abbe number	30.8
Flammability	HB
Radiation resistance	Good
Refractive index	1.59-1.6
Resistance to Ultra-violet	Poor
Limiting oxygen index( % )	19
Water absorption - over 24 hours( % )	0.4
Density( gcm⁻³ )	1.05

Chemical Resistance

Element	Value
Acids - concentrated	Fair-Poor
Acids - dilute	Good-Fair
Alcohols	Good-Fair
Alkalis	Good-Fair
Aromatic hydrocarbons	Poor
Greases and Oils	Good-Poor
Halogenated Hydrocarbons	Poor
Halogens	Poor
Ketones	Poor

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.4-3.1
Dissipation factor @ 1kHz	0.0002
Dielectric strength( kV mm⁻¹ )	20
Volume resistivity( Ohmcm )	>10¹⁶

Mechanical Properties

Element	Value
Hardness - Rockwell	M60-90
Poisson's ratio	0.35
Elongation at break( % )	1.6
Tensile modulus( GPa )	2.3-4.1
Izod impact strength( J m⁻¹ )	19-24
Tensile strength( MPa )	30-100

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	90
Heat-deflection temperature - 1.8MPa( C )	80
Upper working temperature( C )	50-95
Specific heat( J K⁻¹ kg⁻¹ )	1200
Thermal conductivity( W m⁻¹ K⁻¹ )	0.1-0.13@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	30-210

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Additive Free Polymer PS Disk

Tolerances

Material Properties for Polymers