Pocan® BF4222Z

25% Glass Reinforced, Injection Molding, Flame Retardant, Improved Impact

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
28
cm³/10min
Temperature
260
°C
Load
5
kg
Molding shrinkage (parallel)
0.3
%
Molding shrinkage (normal)
1
%

Mechanical properties

Tensile modulus
8700
MPa
Stress at break
115
MPa
Strain at break
3.3
%
Flexural modulus
7800
MPa
Flexural strength
195
MPa
Flexural strain at flexural strength
3.6
%
Charpy impact strength (+23°C)
70
kJ/m²
Izod impact strength (+23°C)
55
kJ/m²

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
190
°C
Temp. of deflection under load (0.45 MPa)
220
°C
Temp. of deflection under load (8.00 MPa)
110
°C
Coeff. of linear therm. expansion (parallel)
0.3
E-4/°C
Coeff. of linear therm. expansion (normal)
0.9
E-4/°C
Burning Behav. at 0.75 mm nom. thickn.
V-0
class
Thickness tested
0.75
mm
Burning Behav. at 1.5 mm nom. thickn.
V-0
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Burning Behav. at 3.0 mm nom. thickn.
V-0
class
Thickness tested
3
mm
UL recognition
Yes
-
Oxygen index
32
%
Ball pressure temperature
207
°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
750
°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)
3.8
-
Relative permittivity (1 MHz)
3.7
-
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
30
kV/mm
Comparative tracking index
200
V
Comparative tracking index (PLC)
3
class

Other properties

Density
1560
kg/m³

Material specific properties

Drying temperature circulating air dryer
120
°C
Drying time circulating air dryer
4-8
h
Residual moisture content
0.00-0.02
%
Melt temperature (Tmin - Tmax)
240-260
°C
Mold temperature
80-100
°C

Diagrams