Pocan® BF4232

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
12
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.4
%
Molding shrinkage (normal)
1
%

Mechanical properties

Tensile modulus
10000
MPa
Tensile modulus (-40°C)
12100
MPa
Tensile modulus (40°C)
9200
MPa
Tensile modulus (100°C)
5310
MPa
Tensile modulus (120°C)
4600
MPa
Tensile modulus (140°C)
3660
MPa
Tensile modulus (160°C)
2970
MPa
Tensile modulus (180°C)
2540
MPa
Tensile modulus (200°C)
2140
MPa
Stress at break
135
MPa
Strain at break
2.5
%
Flexural modulus
10000
MPa
Flexural strength
215
MPa
Flexural strain at flexural strength
2.9
%
Charpy impact strength (+23°C)
55
kJ/m²
Charpy impact strength (-30°C)
55
kJ/m²
Charpy notched impact strength (+23°C)
6
kJ/m²
Charpy notched impact strength (-30°C)
6
kJ/m²
Izod impact strength (+23°C)
50
kJ/m²
Izod impact strength (-30°C)
50
kJ/m²

Thermal properties

Melting temperature (10°C/min)
222
°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)
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
1.5
mm
UL recognition
Yes
-
Ball pressure temperature
213
°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
775
°C
GWIT (Thickness (1) tested)
0.4
mm
Glow Wire Ignition Temperature GWIT
775
°C
GWIT (Thickness (2) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
900
°C
GWIT (Thickness (3) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
930
°C
GWIT (Thickness (4) tested)
3
mm
Relative Temperature Index - electrical
125
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
130
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
140
°C
RTI without impact (Thickness (1) tested)
0.75
mm

Electrical properties

Relative permittivity (100Hz)
4.1
-
Relative permittivity (1 MHz)
4
-
Dissipation factor (100 Hz)
30
E-4
Dissipation factor (1 MHz)
165
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Comparative tracking index
250
V
Comparative tracking index (PLC)
2
class

Other properties

Water absorption
0.4
%
Humidity absorption
0.2
%
Density
1640
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