Pocan® B4225 000000

20% 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
18
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.5
%
Molding shrinkage (normal)
1.2
%

Mechanical properties

Tensile modulus
7500
MPa
Tensile modulus (-40°C)
8550
MPa
Tensile modulus (40°C)
6850
MPa
Tensile modulus (100°C)
3620
MPa
Tensile modulus (120°C)
3200
MPa
Tensile modulus (140°C)
2620
MPa
Tensile modulus (160°C)
2460
MPa
Tensile modulus (180°C)
2080
MPa
Tensile modulus (200°C)
1750
MPa
Stress at break
125
MPa
Strain at break
2.8
%
Tensile creep modulus (1h)
7300
MPa
Tensile creep modulus (1000h)
6900
MPa
Flexural modulus
7200
MPa
Flexural strength
185
MPa
Flexural strain at flexural strength
3.2
%
Charpy impact strength (+23°C)
45
kJ/m²
Charpy impact strength (-30°C)
40
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)
40
kJ/m²
Izod impact strength (-30°C)
35
kJ/m²
Puncture - maximum force (+23°C)
628
N
Puncture energy (+23°C)
1.8
J

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
200
°C
Temp. of deflection under load (0.45 MPa)
220
°C
Temp. of deflection under load (8.00 MPa)
126
°C
Coeff. of linear therm. expansion (parallel)
0.3
E-4/°C
Coeff. of linear therm. expansion (normal)
1
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
3.5
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
700
°C
GWIT (Thickness (1) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
700
°C
GWIT (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
700
°C
GWIT (Thickness (3) tested)
3
mm

Electrical properties

Relative permittivity (100Hz)
3.8
-
Relative permittivity (1 MHz)
3.6
-
Dissipation factor (100 Hz)
40
E-4
Dissipation factor (1 MHz)
180
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
29
kV/mm
Comparative tracking index
200
V

Other properties

Water absorption
0.3
%
Humidity absorption
0.1
%
Density
1570
kg/m³

Material specific properties

Viscosity number
97
cm³/g

Diagrams