Ultradur® B 4040 G6

About
Injection molding grade with 30% glass fibers for industrial parts with excellent surface quality, for example external door handles in vehicles, visible sunroof frames, oven door handles, toaster casings, external mirrors, rear screen wiper arms in vehicles and sunroof wind deflectors. Formerly called KR 4040 G6.&&

Product Description
SupplierBASF
GenericPBT+PET
Material StatusCommercial: Active
FeaturesGood surface appearance,HB
AvailabilitysAsia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.55g/cm³ISO 1183
Apparent density0.70 to 0.80g/cm³
Melt Volume Rate
275℃,2.16 kg15.0cm³/10minISO 1133
Shrinkage rate ISO 294-4
TD0.90%ISO 294-4
MD0.30%ISO 294-4
Water absorption rate ISO 62
Saturation, 23 ℃0.40%ISO 62
Equilibrium, 23 ℃, 50% RH0.20%ISO 62
Viscosity number105cm³/gISO 307
Shrinkage rate 
MD: Free0.18%
TD: Free0.99%

MECHANICALNominal valueUnitTest method
Tensile modulus10500MPaISO 527-2
tensile strength
fracture145MPaISO 527-2
Tensile strain
fracture2.6%ISO 527-2

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃8.0kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃55kJ/m²ISO 179/1eU
23℃60kJ/m²ISO 179/1eU

THERMALNominal valueUnitTest method
Hot deformation temperature 
0.45 MPa, unannealed220ISO 75-2/B
1.8 MPa, unannealed200ISO 75-2/A
Melting temperature223ISO 11357-3
Linear coefficient of thermal expansion
MD:23~80℃2.0E-5 to 3.0E-51/℃ISO 11359-2
specific heat1050J/kg/℃
Temperature index – at 50% tensile strength loss IEC 60216
140IEC 60216
160IEC 60216
Maximum operating temperature
short cycle operation210

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+13ohmsIEC 60093
Volume resistivity1.0E+16ohms·cmIEC 60093
Relative permittivity IEC 60250
100 Hz4.00 IEC 60250
1 MHz3.80 IEC 60250
Dissipation factor IEC 60250
100 Hz1.6E-3 IEC 60250
1 MHz0.017 IEC 60250
Compared to the leakage tracing index
Solution A250VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80 to 120°C
Drying time4.0hr
Recommended maximum moisture content0.040%
Hopper temperature80°C
Barrel rear temperature260°C
Barrel middle temperature265°C
Barrel front temperature270°C
Nozzle temperature270°C
Processing (melt) temperature250 to 280°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
3. plate with film gate 150*150*3 mm³
4. 20000 h
5. 5000 h
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