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Ultradur® B 4300 G4

Polybutylene Terephthalate

Glass Fiber Reinforcement, 20%

Supplied by BASF Corporation

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Product Description
Ultradur B 4300 G4 is an easy flowing injection molding PBT with 20% glass fiber reinforcement for rigid, tough, and dimensionally stable parts.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
  • North America
 
Filler / Reinforcement 
  • Glass Fiber Reinforcement, 20% Filler by Weight
Additive 
  • Lubricant
  • Mold Release
 
Features 
  • Good Dimensional Stability
  • Good Flow
  • Good Toughness
  • High Rigidity
  • Lubricated
  • Medium Rigidity
  • Semi Crystalline
Uses 
  • Automotive Applications
  • Automotive Electronics
  • Automotive Exterior Parts
  • Cams
  • Electrical/Electronic Applications
  • Housings
Agency Ratings 
RoHS Compliance 
Automotive Specifications 
Appearance 
  • Black
  • Colors Available
  • Natural Color
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Multi-Point Data 
  • Creep Modulus vs. Time (ISO 11403-1)
  • Isochronous Stress vs. Strain (ISO 11403-1)
  • Isothermal Stress vs. Strain (ISO 11403-1)
  • Secant Modulus vs. Strain (ISO 11403-1)
  • Viscosity vs. Shear Rate (ISO 11403-2)
Physical
Nominal Value
Unit
Test Method
Specific Gravity
     
--
 
ASTM D792
--
lb/in³
ISO 1183 2
Melt volume-flow rate (250°C/2.16 kg)
in³/10min
ISO 1133 2
Molding Shrinkage
     
Flow: 0.125 in
in/in
ASTM D955
Across Flow
%
ISO 294-4
Flow
%
ISO 294-4
Water Absorption
     
Saturation
%
ASTM D570, ISO 62 2
Equilibrium, 50% RH
%
ASTM D570
Equilibrium
%
ISO 62 2
Viscosity Number (Reduced Viscosity)
ml/g
ISO 1628
Mechanical
Nominal Value
Unit
Test Method
Tensile modulus
psi
ISO 527-2 2
Tensile Strength
     
Break, 73°F
psi
ASTM D638
Break, -40°F
psi
ISO 527-2
Break
psi
ISO 527-2 2
Tensile Elongation
     
Break, 73°F
%
ASTM D638
Break
%
ISO 527-2 2
Flexural Modulus
     
73°F
psi
ASTM D790
73°F
psi
ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy notched impact strength (73°F)
ft·lb/in²
ISO 179/1eA 2
Charpy Unnotched Impact Strength
    ISO 179
-22°F
ft·lb/in²
 
73°F
ft·lb/in²
 
Notched Izod Impact (73°F)
ft·lb/in
ASTM D256
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     
66 psi, Unannealed
°F
ASTM D648
66 psi
°F
ISO 75-2 2
264 psi, Unannealed
°F
ASTM D648
264 psi
°F
ISO 75-2 2
Melting Temperature
°F
ASTM D3418, ISO 3146
CLTE - Flow
in/in/°F
ISO 11359-2
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity 3
ohms
ASTM D257, IEC 60093 2
Volume Resistivity
     
0.0591 in
ohm·cm
ASTM D257
--
ohm·in
IEC 60093 2
Relative Permittivity
    IEC 60250 2
100 Hz
 
 
1 MHz
 
 
Dissipation Factor
    IEC 60250 2
100 Hz
 
 
1 MHz
 
 
Comparative tracking index
 
IEC 60112 2
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0591 in)
 
UL 94
UL
Nominal Value
Unit
Test Method
RTI Str (0.0591 in)
°F
UL 746
RTI Imp (0.0591 in)
°F
UL 746
RTI Elec (0.0591 in)
°F
UL 746
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Ultradur® B 4300 G4, Ultradur B 4300 G4, Ultradur® , Ultradur, UltradurB4300G4, B 4300 G 4, B 4300 G4, B4300, 4300G, G4, B4300G4, Polybutylene Terephthalate, PBT, Polyester, BASF, PolybutyleneTerephthalate, 4300B
Features
Features may also be described by the following terms: Good Flow, Good Dimensional Stability, Dimensionally Stable, Semi-Crystalline, Medium Rigidity, Good Rigidity, Good Toughness, Tough, High Rigidity.
Uses
Uses may also be described by the following terms: Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector, Automotive Applications, Automotive Sector, Housings, Housing.
Automotive Specifications
This plastic material has approval for 5 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): FORD (2), OPEL (2), PSA Peugeot-Citroën (1).
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): EC (1).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Max Moisture
%
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Injection Rate
 
 
Back Pressure
psi
 
Notes
1Typical properties: these are not to be construed as specifications.
2Tested in accordance with ISO 10350. 23°C/50%r.h. unless otherwise noted.
31.5 mm
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.