Technical Data Sheet
Safety Data Sheet
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PS Powder

PS Powder is a type of plastic powder we offer in a choice of 19 variations. Its beads are made of polystyrene, a polymer known for its rigidity, hardness and transparency. When heated, the beads expand into foam that can be molded into different shapes. With its lightweight and insulating properties, expandable polystyrene bead powder has applications in packaging, construction, model-making and more. The wide range of sizes and expansion ratios we have available allows you to select the variation best suited to your specific application.
Formula: PS
Maximum Particle Size: 900µm
Weight: 4000g
Bulk Density: 0.6g/cm³
Type: Expandable Bead
Colour: White
CAS Number: 9003-53-6
UOM Code: 355-466-39
SKU: 1000148431
Product Code: ST31-PD-000103

Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
€858.32
each
  • Buy 5 for €695.24 each and save 19%
  • Buy 10 for €635.16 each and save 26%

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may apply for some hazardous materials.

Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal
Technical Data Sheet
Safety Data Sheet

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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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