Ultradur® B 4300 G6 HR

About
Injection-moulding grade with 30% glass-fibres; for rigid and dimensionally stable technical parts with increased requirements on hydrolysis resistance. For example automotive connectors and housings for electronic units under the hood.&&

Product Description
SupplierBASF
Genericpolybutylene terephthalate
Material StatusCommercial: Active
FeaturesGood Rigidity,Good Dimensional Stability,Hydrolysis stability
AvailabilitysAsia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.51g/cm³ISO 1183
Apparent density0.70 to 0.80g/cm³
Melt Volume Rate
250℃,2.16 kg5.50cm³/10minISO 1133
Shrinkage rate ISO 294-4
TD1.3%ISO 294-4
MD0.45%ISO 294-4
Water absorption rate ISO 62
Saturation, 23 ℃0.40%ISO 62
Equilibrium, 23 ℃, 50% RH0.20%ISO 62
Viscosity number108cm³/gISO 307

MECHANICALNominal valueUnitTest method
Tensile modulus8700MPaISO 527-2
tensile strength
fracture130MPaISO 527-2
Tensile strain
fracture3.3%ISO 527-2

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃12kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength
23℃70kJ/m²ISO 179/1eU

THERMALNominal valueUnitTest method
Hot deformation temperature 
0.45 MPa, unannealed220ISO 75-2/B
1.8 MPa, unannealed205ISO 75-2/A
Melting temperature223ISO 11357-3
Maximum operating temperature
short cycle operation210

Electrical performanceNominal valueUnitTest method
Compared to the leakage tracing index
Solution A400VIEC 60112

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80 to 120°C
Drying time4.0hr
Recommended maximum moisture content0.040%
Hopper temperature80°C
Barrel rear temperature250°C
Barrel middle temperature255°C
Barrel front temperature260°C
Nozzle temperature260°C
Processing (melt) temperature250 to 275°C
Mold temperature60 to 100°C
Screw Speed< 250mm/sec

Notes
1. Typical properties: these are not to be construed as specifications.
2. solution 0,005 g/ml Phenole/1,2 Dichlorbenzol 1:1
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