Pocan® BF4235 000000

30% Glass Reinforced, Injection Molding, Flame Retardant

General Information

Pocan® is a high-quality brand of polybutylene terephthalate (PBT) and PBT blends crafted by Envalior. Pocan is known for its impressive resistance to heat and chemicals, outstanding electrical properties, strength and hardness. It is designed to cater to a wide range of industries, including automotive, electrical/electronics, lighting, household appliances, and sports & leisure.
Special features
Regulatory Affairs
Processing technology
Injection Molding

Rheological properties

Melt volume-flow rate
14
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.4
%
Molding shrinkage (normal)
1.1
%

Mechanical properties

Tensile modulus
11000
MPa
Stress at break
135
MPa
Strain at break
2.1
%
Tensile creep modulus (1h)
11000
MPa
Tensile creep modulus (1000h)
10000
MPa
Flexural modulus
10500
MPa
Flexural strength
210
MPa
Flexural strain at flexural strength
2.6
%
Charpy impact strength (+23°C)
50
kJ/m²
Charpy impact strength (-30°C)
50
kJ/m²
Charpy notched impact strength (+23°C)
<10
kJ/m²
Charpy notched impact strength (-30°C)
<10
kJ/m²
Izod impact strength (+23°C)
45
kJ/m²
Izod impact strength (-30°C)
45
kJ/m²

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
205
°C
Temp. of deflection under load (0.45 MPa)
220
°C
Coeff. of linear therm. expansion (parallel)
0.2
E-4/°C
Coeff. of linear therm. expansion (normal)
0.9
E-4/°C
Burning Behav. at 1.5 mm nom. thickn.
V-0
class
Thickness tested
5VA
mm
Burning Behav. 5V at thickness h
5VA
class
Thickness tested
1.5
mm
Oxygen index
32
%
Ball pressure temperature
215
°C
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (1) tested)
0.75
mm
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (1) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (3) tested)
3
mm

Electrical properties

Relative permittivity (100Hz)
4
-
Relative permittivity (1 MHz)
3.9
-
Dissipation factor (100 Hz)
50
E-4
Dissipation factor (1 MHz)
160
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
29
kV/mm
Comparative tracking index
200
V
Comparative tracking index (PLC)
2
class

Other properties

Water absorption
0.4
%
Humidity absorption
0.1
%
Density
1660
kg/m³

Material specific properties

Viscosity number
93
cm³/g

Diagrams