POCAN® B7425 000000

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POCAN®   B7425 000000 PBT, 20 % glass spheres, injection molding, low tendency to warp, improved surface finish&&POCAN®   B7425 000000 PBT, 20 % glass spheres, injection molding, low tendency to warp, improved surface finish&&POCAN®   B7425 000000 PBT, 20 % glass spheres, injection molding, low tendency to warp, improved surface finish&&

Product Description
SupplierLANXESS
Genericpolybutylene terephthalate
Material StatusCommercial: Active
FeaturesLow warping,Good surface appearance
AvailabilitysAfrica & Middle East ,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.44g/cm³ISO 1183
Apparent density0.90g/cm³ISO 60
Melt Volume Rate
260℃,5 kg35.0cm³/10minISO 1133
Shrinkage rate
TD:120℃,2.0 mm0.20%
TD:260℃,2.0 mm2.1%
MD:120℃,2.0 mm0.20%
MD:260℃,2.0 mm2.1%
Water absorption rate
Saturation, 23 ℃0.40%
Equilibrium, 23 ℃, 50% RH0.10%
Viscosity value
Reduced viscosity130.0ml/gISO 1628

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
-30℃< 10kJ/m²
23℃< 10kJ/m²
Charpy Unnotch Impact strength
-30℃25kJ/m²
23℃35kJ/m²
Impact strength of cantilever beam notch
Notched impact strength of cantilever beam
-30℃20kJ/m²
23℃30kJ/m²

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed170ISO 75-2/B
1.8 MPa, unannealed70.0ISO 75-2/A
Vicat Softening Temp
B120190ISO 306/B120
Ball pressure test
200℃通过 IEC 60695-10-2
Melting temperature225ISO 11357-3
Linear coefficient of thermal expansion
MD:23~55℃1.0E-41/℃
TD:23~55℃1.0E-41/℃
Thermal conductivity coefficient
23℃0.28W/m/KISO 8302
Relative temperature index130UL 746
Electrical performance130UL 746
Impact mechanical performance125UL 746
Halving Interval
Dielectric strength11.4
23 ℃,1 mm25kV/mmIEC 60243-1
Tensile impact strength7.8
tensile strength14.0
Fracture, 23 ℃50.0MPaISO 527-2/5
Temperature index
Dielectric strength, 20000 hr160
Tensile impact strength, 20000 hr130
Tensile strength, 20000 hr140

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Volume resistivity
23℃> 1.0E+15ohms·cmIEC 60093
Relative permittivity
23℃,100 Hz3.80 
23℃,1 MHz3.60 
Dissipation factor
23℃,1 MHz0.017 IEC 60250
Compared to the leakage tracing index
Solution A250VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
US FMVSS302passed ISO 3795
Flame retardant level
0.75 mmHB 
1.50 mmHB 
Glowing wire flammability index
2.0 mm650IEC 60695-2-12
Extreme oxygen index23%ISO 4589-2

Supplementary informationNominal valueUnitTest method
Electrolytic corrosion
23℃A1 IEC 60426
ISO ShortnameISO 7792-1-PBT, GHMR, 11-030, GB20 

MECHANICALNominal valueUnitTest method
Ball hardness160MPaISO 2039-1
Tensile modulus
23℃3300MPaISO 527-1-2
Tensile strain
Fracture, 23 ℃6.0%ISO 527-2/5
Tensile creep modulus
1 hr3300MPa
1000 hr2700MPa
Bending modulus
23℃3300MPaISO 178-A
bending strength
23℃90.0MPa
3.50% strain, 23 ℃85.0MPa
Bending strain5.0%ISO 178/A

Process Conditions
injectionNominal valueUnitTest method
Drying temperature – Dehumidifying desiccant120°C
Drying time – Dehumidifying desiccant4.0 to 8.0hr
Processing (melt) temperature250 to 270°C
Mold temperature80 to 100°C
Residual Moisture Content0.0 to 0.020%Karl Fisher

Notes
1. Typical properties: these are not to be construed as specifications.
2. 60x60x2mm, 4 hr
3. 60x60x2mm, 80°C MT, 600 bar
4. 0.079 in/min
5. 2 mm/min
6. 10°C/min
7. Procedure A
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