Celanex® 7716

Category: PBT , Polybutylene Terephthalate
Manufacturer: Celanese Corporation
Trademark: Celanex®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: P3IGxI_Celanex-7716.pdf
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Message
Celanex 7716 is a 35% glass/mineral reinforced, non exuding, flame retarded polybutylene terephthlate which has an excellent balance of mechanical properties and processability. Celanex 7716 is well suited for electrical applications where warp resistance or very flat surfaces are required.
General Information
Filler / Reinforcement
  • Glass \mineral, 35% filler by weight
Additive
  • Flame retardancy
Features
  • Bending resistance
  • Workability, good
  • Flame retardancy
Uses
  • Electrical/Electronic Applications
RoHS Compliance
  • Contact manufacturer
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.69g/cm³ASTM D792, ISO 1183
Molding Shrinkage
    Flow 0.20 - 0.50%ASTM D955
    Vertical flow direction 0.60 - 0.80%ISO 294-4
    Flow direction 0.25 - 0.45%ISO 294-4
Water Absorption (Equilibrium, 23°C, 50% RH)0.10%ISO 62
MechanicalNominal ValueUnitTest Method
Tensile Modulus 10800MPaISO 527-2/1A/1
Tensile Strength
    Fracture, 23°C 77.2MPaASTM D638
    Fracture 83.0MPaISO 527-2/1A/5
Tensile Strain (Break)1.6%ISO 527-2/1A/5
Flexural Modulus (23°C)11700MPaISO 178
Flexural Stress (23°C)140MPaISO 178
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength ISO 179/1eA
    -30°C 5.0kJ/m²ISO 179/1eA
    23°C 5.0kJ/m²ISO 179/1eA
Charpy Unnotched Impact Strength ISO 179/1eU
    -30°C 21kJ/m²ISO 179/1eU
    23°C 22kJ/m²ISO 179/1eU
Notched Izod Impact ISO 180/1A
    -30°C 4.5kJ/m²ISO 180/1A
    23°C 4.9kJ/m²ISO 180/1A
Unnotched Izod Impact Strength (23°C)19kJ/m²ISO 180/1U
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature
    0.45 MPa, not annealed 222°CISO 75-2/B
    0.45 MPa, annealed 214°CASTM D648
    1.8 MPa, not annealed 191°CASTM D648
    1.8 MPa, not annealed 194°CISO 75-2/A
Glass Transition Temperature 160.0°CISO 11357-2
Melting Temperature 2225°CISO 11357-3, ASTM D3418
Linear thermal expansion coefficient ISO 11359-2
    Flow 3.1E-5cm/cm/°CISO 11359-2
    Lateral 4.6E-5cm/cm/°CISO 11359-2
ElectricalNominal ValueUnitTest Method
Surface Resistivity 5.0E+16ohmsIEC 60093
Volume Resistivity
    -- 1.0E+16ohms·cmASTM D257
    -- 2.0E+16ohms·cmIEC 60093
Dielectric Strength
    -- 326kV/mmASTM D149
    -- 24kV/mmIEC 60243-1
Dielectric Constant
    1 MHz 3.60ASTM D150
    100 Hz 4.20IEC 60250
    1 MHz 3.90IEC 60250
Dissipation Factor
    1 MHz 0.010ASTM D150
    1 MHz 0.019IEC 60250
Arc Resistance 124secASTM D495
Comparative Tracking Index
    -- 200VIEC 60112
    -- 250VASTM D3638
FlammabilityNominal ValueUnitTest Method
Flame Rating (0.900 mm)V-0UL 94
InjectionNominal ValueUnit
Drying Temperature 120 - 130°C
Drying Time 4.0hr
Suggested Max Moisture 0.020%
Suggested Max Regrind 50%
Hopper Temperature 20.0 - 50.0°C
Rear Temperature 230 - 240°C
Middle Temperature 235 - 250°C
Front Temperature 235 - 250°C
Nozzle Temperature 240 - 255°C
Processing (Melt) Temp 235 - 255°C
Mold Temperature 65.0 - 96.0°C
Injection Rate Moderate-Fast
Back Pressure 0.00 - 0.345MPa
Injection instructions
Manifold Temperature: 255 to 260°CZone 4 Temperature: 240 to 255°CFeed Temperature: 230 to 240°C
Note Message
1 .10°C/min
2 .10°C/min
3 .Method A (short time)
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