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TRIREX® ST2-3022U

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TYPICAL DATA OF TRIREX® ST2-3022U GRADE

PROPERTY UNIT ASTM METHOD TYPICAL DATA
Physical
Specific Gravity - D792 1.19
Water Absorption (24 hours at 23℃) % D570 0.15
Melt Flow Rate (300℃, 1.2kg) g/10min D1238 15
MECHANICAL
Tensile Strength at yield kgf/㎠ D638 600
Tensile Elongation at break % D638 160
Flexural Strength at yield kgf/㎠ D790 900
Flexural Modulus kgf/㎠ D790 20,000
Izod Impact Strength, notched, 23℃ (1/8”) kgf∙㎝/㎝ D256 80
Rockwell Hardness R scale D785 120
THERMAL
HDT, 18.6 ㎏f/㎠ D648 130
Coefficient of Linear Thermal Expansion ㎜/㎜/℃ D696 5.6 x 10-5
ELECTRICAL
Volume Resistivity Ω∙㎝ D257 4E+16
Dielectric Strength kV/㎜ D149 30
Dielectric Constant - D150 2.85
Dissipation Factor - D150 0.0092
ARC Resistance sec D495 120
OTHERS
Mold Shrinkage (3mm thickness) % D955 0.5~0.7
※The figures listed in this table are typical values obtained under the standard test methods and may not be applicable for products that are under different application condition.

PROCESSING GUIDE FOR TRIREX® ST2-3022U GRADE

General processing conditions for TRIREX® ST2-3022U are shown below.
Drying prior to processing is essential to ensure desired appearance and property performance.

SPECIFICATION UNIT CONDITIONS
Drying Temperature 120
Drying Time hr 3~5
Moisture Content, Max % 0.02
Melt Temperature 290~310
Nozzle Temperature 280~315
Front Temperature 290~315
Middle Temperature 275~300
Rear Temperature 260~280
Mold Temperature 65~105
Back Pressure MPa 0.3~0.7
Screw Speed rpm 50~70
Vent Depth mm 0.025~0.076