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TRIREX® 3025U

PC

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TYPICAL DATA OF TRIREX® 3025U GRADE

PROPERTY UNIT ASTM METHOD TYPICAL DATA
Physical
Specific Gravity - D792 1.20
Water Absorption (24 hours at 23℃) % D570 0.15
Melt Flow Rate (300℃, 1.2kg) g/10min D1238 10
MECHANICAL
Tensile Strength at yield kgf/㎠ D638 650
Tensile Elongation at break % D638 160
Flexural Strength at yield kgf/㎠ D790 900
Flexural Modulus kgf/㎠ D790 21,000
Izod Impact Strength, notched, 23℃ (1/8”) kgf∙㎝/㎝ D256 75
Rockwell Hardness R scale D785 120
THERMAL
HDT, 18.6 ㎏f/㎠ D648 132
Coefficient of Linear Thermal Expansion ㎜/㎜/℃ D696 5~7 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
UL-94 Flammability (0.5mm thickness) - (UL 94) V-2
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® 3025U GRADE

General processing conditions for TRIREX® 3025U 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 3~4
Moisture Content, Max % 0.02
Melt Temperature 290~320
Nozzle Temperature 290~310
Front Temperature 290~310
Middle Temperature 280~300
Rear Temperature 270~290
Mold Temperature 80~100
Back Pressure MPa 0.4~0.6
Screw Speed rpm 50~70
Vent Depth mm 0.02~0.08
Injection Pressure MPa 70~140
Injection Speed % 50~80
Hold Pressure MPa 35~60
Injection Cushion mm 3~6