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TRIPET® NP2559GN30

PET

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Description

  • TRIPET is the registered trademark of polyethylene terephthalate resin manufactured by Samyang Corporation. Polyethylene terephthalate resins contain uniformly dispersed glass fibers or mineral/glass fiber combinations in polyethylene terephthalate (PET) resin that has been specially formulated for rapid crystallization during injection molding process.
  • TRIPET NP2559GN30 BK is a halogen and antimony free flame retarded, glass reinforced grade, which offers a unique combination of properties high strength, modulus, heat resistance and excellent dimensional stability. TRIPET NP2559GN30 BK shows good processability with no corrosive emission during processing and superior flame retardancy at 1/32 inch in the UL94 test.

Characteristics

  • Flame retardancy
  • Halogen & Antimony free
  • Excellent heat resistance
  • Minimal moisture absorption
  • Exceptional dimensional stability
  • Resistance to a wide range of chemicals, oils, grease and solvents
  • Excellent electrical properties
  • Fast injection-molding cycles

Applications

  • TRIPET NP2559GN30 BK resin is used in a wide range of various automotive, electrical and electronic applications.

TYPICAL DATA OF TRIPET® NP2559GN30 GRADE

PROPERTY UNIT ASTM METHOD TYPICAL DATA
Physical
Specific Gravity - D792 1.58
Water Absorption (24 hours at 23℃) % D570 0.1
Melt Flow Rate (265℃, 5kg) g/10min D1238 > 40
MECHANICAL
Tensile Elongation at break % D638 1,200
Flexural Strength at yield kgf/㎠ D790 1,700
Flexural Modulus kgf/㎠ D790 120,000
Izod Impact Strength, notched, 23℃ (1/8”) kgf∙㎝/㎝ D256 5.6
Rockwell Hardness R scale D785 118
THERMAL
HDT, 18.6 ㎏f/㎠ D648 230
ELECTRICAL
Volume Resistivity Ω∙㎝ D257 10¹⁴
Dielectric Strength kV/㎜ D149 20
Dielectric Constant - D150 3.8
OTHERS
UL-94 Flammability (1/8”, 1/16”,, 1/32” thickness) - (UL 94) V-0
Mold Shrinkage (3mm thickness) % D955 0.1 ~ 0.3
※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 TRIPET® NP2559GN30 GRADE

General processing conditions for TRIPET® NP2559GN30 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 255 ~ 265
Nozzle Temperature 265 ~ 270
Front Temperature 255 ~ 265
Middle Temperature 255 ~ 265
Rear Temperature 250 ~ 260
Mold Temperature > 120
Back Pressure MPa < 70
Screw Speed rpm < 60
Injection Pressure MPa < 70
Injection Speed % < 60
Hold Pressure MPa < 50
Injection Cushion mm 3 ~ 6