Pocan® BFN2502

Unreinforced, Injection Molding, Flame Retardant (halogen free)

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
20
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
2.3
%
Molding shrinkage (normal)
2.2
%

Mechanical properties

Tensile modulus
2900
MPa
Yield stress
40
MPa
Yield strain
2.6
%
Nominal strain at break
5.5
%
Flexural modulus
3000
MPa
Flexural strength
75
MPa
Flexural strain at flexural strength
5.2
%
Charpy impact strength (+23°C)
22
kJ/m²
Charpy impact strength (-30°C)
22
kJ/m²
Izod impact strength (+23°C)
18
kJ/m²
Izod impact strength (-30°C)
18
kJ/m²

Thermal properties

Melting temperature (10°C/min)
220
°C
Temp. of deflection under load (1.80 MPa)
73
°C
Temp. of deflection under load (0.45 MPa)
166
°C
Coeff. of linear therm. expansion (parallel)
1
E-4/°C
Coeff. of linear therm. expansion (normal)
1.1
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
-
Burning Behav. 5V at thickness h
5VA
class
Thickness tested
3
mm
UL recognition
Yes
-
Oxygen index
36
%
Ball pressure temperature
195
°C
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (1) tested)
0.4
mm
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (2) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
750
°C
GWIT (Thickness (1) tested)
0.4
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (2) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (3) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (4) tested)
3
mm
Relative Temperature Index - electrical
150
°C
RTI electrical (Thickness (1) tested)
0.4
mm
Relative Temperature Index - with impact
130
°C
RTI with impact (Thickness (1) tested)
0.4
mm
Relative Temperature Index - without impact
150
°C
RTI without impact (Thickness (1) tested)
0.4
mm

Electrical properties

Relative permittivity (100Hz)
3.4
-
Relative permittivity (1 MHz)
3.3
-
Dissipation factor (100 Hz)
69
E-4
Dissipation factor (1 MHz)
59
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
31
kV/mm
Comparative tracking index
600
V
Comparative tracking index (PLC)
0
class

Other properties

Density
1330
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)
250-265
°C
Mold temperature
70-90
°C
admissible residence time at Tmax
<5
min

Diagrams