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Edistir® RT 441M

High Impact Polystyrene

Supplied by Polimeri Europa

The technical datasheet with complete property values for Edistir® RT 441M is available to members of the Prospector Plastics Database.
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Product Description
High impact polystyrene combining high toughness and high stiffness with good flowability for easy processing.

Designed for injection moulding of technical parts, housings and covers.
Especially recommended for gas assisted technology.
RT 441M is certified BSI 415/94 acc. IEC65-20-2 at 2.5 mm.

Designation: Thermoplastics ISO 2897-PS-I,M,088-06-07-18

Business machine covers, electrical appliances, electroventilator housings, consumer electronics, front frames, cabinet and back cover for TV sets.

RT 441M is certified UL94 HB "all colors" at 1.5 mm (UL file E83071).

This grade in its natural version complies by composition with the requirements set by the main Regulations for plastic materials intended for food contact (including the EEC Directive 2002/72/CE and subsequent amendments).
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
Features 
  • Food Contact Acceptable
  • Good Flow
  • Good Processability
  • High Impact Resistance
  • High Stiffness
  • Ultra High Toughness
Uses 
  • Appliances
  • Business Equipment
  • Electrical/Electronic Applications
  • Housings
  • Protective Coverings
  • Television Housings
Agency Ratings 
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Multi-Point Data 
  • Viscosity vs. Shear Rate (ISO 11403-2)
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Apparent Density
g/cm³
 ISO 60
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)
g/10 min
 ISO 1133
Molding Shrinkage
%
 Internal Method
Water Absorption (73°F, 24 hr)
%
 ISO 62
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2/1
Tensile Stress
     ISO 527-2/50
Yield
psi
  
Break
psi
  
Tensile Strain (Break)
%
 ISO 527-2/50
Flexural Strength 2
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
      
73°F, 0.126 in
ft·lb/in
 ISO 180/4A
-22°F
ft·lb/in²
 ISO 180/1A
73°F
ft·lb/in²
 ISO 180/1A
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (L-Scale)
 
 ISO 2039-2
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Annealed)
°F
 ASTM D648
Vicat Softening Temperature
      
--
°F
 ISO 306/A50
--
°F
 ISO 306/B50
CLTE - Flow
in/in/°F
 ASTM D696
Thermal Conductivity
Btu·in/hr/ft²/°F
 ISO 8302
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohm
 IEC 60093
Volume Resistivity
ohm·cm
 IEC 60093
Dielectric Constant (50 Hz)
 
 IEC 60250
Dissipation Factor (50 Hz)
 
 IEC 60250
Comparative Tracking Index (Solution A)
V
 IEC 60112
Electric Strength
V/mil
 IEC 60243-1
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0591 in, All Colors)
 
 UL 94
Glow Wire Ignition Temperature (0.0630 in)
°F
 IEC 60695-2-13
UL File Number
 
  
Additional Information
Nominal Value
Unit
Test Method
Designation
 
  
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Edistir® RT 441M, Edistir RT 441M, Edistir® , Edistir, EdistirRT441M, RT 441 M, RT 441M, RT441, 441M, RT441M, PS, Polystyrene, High Impact, Polystyrene High Impact, PS (HIPS), PS HIPS, Polystyrene, Polimeri Europa, PolystyreneHighImpact, PSHIPS, 441RT
Features
Features may also be described by the following terms: Ultra High Toughness, High Stiffness, Good Processability, Easy Processing, High Impact Resistance, Good Flow.
Uses
Uses may also be described by the following terms: Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector, Housings, Housing, Protective Coverings, Protective Covering, Business Equipment, Business Machines, TV Housing, Television Housing, TV Cabinet, LCD TV, Plasma TV, CRT Cabinet.
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): EU (1).
Injection
Nominal Value
Unit
 
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Notes
Predrying normally not required
Notes
1Typical properties: these are not to be construed as specifications.
20.079 in/min
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.