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Elmet Technologies

Chevron Phillips EA3025 Crystal Polystyrene  (discontinued **)
Categories: Polymer; Thermoplastic; Polystyrene (PS)

Material Notes: High heat crystal polystyrene.

Applications:

  • Foam egg cartons
  • Foam meat trays
  • Insulation board
  • Bi-axially oriented sheet
Features:
  • Ultra-high molecular weight homopolymer
  • High Vicat softening temperature
  • Narrow molecular weight distribution
  • Good toughness

Information provided by Chevron Phillips

The Chevron Phillips polystyrene product line was transferred to Americas Styrenics in 2008.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.03 g/cc1.03 g/ccASTM D-792
Bulk Density 0.609 - 0.673 g/cc0.0220 - 0.0243 lb/in³
Linear Mold Shrinkage 0.0040 - 0.0080 cm/cm0.0040 - 0.0080 in/in24 hours; ASTM D-955
Melt Flow 1.4 g/10 min
@Load 5.00 kg,
Temperature 200 °C
1.4 g/10 min
@Load 11.0 lb,
Temperature 392 °F
ASTM D-1238
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 55.0 MPa7980 psi0.2 in/min; 0.050" thickness; ASTM D-638
Elongation at Yield 4.0 %4.0 %0.2 in/min; 0.050" thickness; ASTM D-638
Tensile Modulus 3.38 GPa490 ksi0.2 in/min; 0.050" thickness; ASTM D-638
Flexural Strength 83.0 MPa12000 psi0.1 in/min; 0.250" thickness; ASTM D-790B
Flexural Modulus 3.17 GPa460 ksi0.1 in/min; 0.250" thickness; ASTM D-790B
Izod Impact, Notched 0.190 J/cm
@Thickness 3.17 mm,
Temperature 22.8 °C
0.356 ft-lb/in
@Thickness 0.125 in,
Temperature 73.0 °F
ASTM D-256
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 92.0 °C
@Thickness 6.35 mm
198 °F
@Thickness 0.250 in
ASTM D-648
Vicat Softening Point 108 °C
@Thickness 6.35 mm
226 °F
@Thickness 0.250 in
Rate B; ASTM D-1525

**
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