Pocan® BFN4221

20% Glass Reinforced, 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
15
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.7
%
Molding shrinkage (normal)
1.2
%

Mechanical properties

Tensile modulus
8500
MPa
Tensile modulus (-40°C)
9060
MPa
Tensile modulus (40°C)
6870
MPa
Tensile modulus (100°C)
4350
MPa
Tensile modulus (120°C)
3970
MPa
Tensile modulus (140°C)
3620
MPa
Tensile modulus (160°C)
3260
MPa
Tensile modulus (180°C)
2850
MPa
Tensile modulus (200°C)
2310
MPa
Stress at break
90
MPa
Strain at break
2.4
%
Flexural modulus
8300
MPa
Flexural strength
140
MPa
Flexural strain at flexural strength
2.4
%
Charpy impact strength (+23°C)
35
kJ/m²
Charpy impact strength (-30°C)
30
kJ/m²
Izod impact strength (+23°C)
30
kJ/m²
Izod impact strength (-30°C)
25
kJ/m²

Thermal properties

Melting temperature (10°C/min)
220
°C
Temp. of deflection under load (1.80 MPa)
207
°C
Temp. of deflection under load (0.45 MPa)
222
°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
-
Burning Behav. 5V at thickness h
5VA
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Ball pressure temperature
210
°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
800
°C
GWIT (Thickness (3) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
800
°C
GWIT (Thickness (4) tested)
3
mm
Relative Temperature Index - electrical
130
°C
RTI electrical (Thickness (1) tested)
0.4
mm
Relative Temperature Index - electrical
150
°C
RTI electrical (Thickness (2) tested)
0.75
mm
Relative Temperature Index - with impact
140
°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

Volume resistivity
1E13
Ohm*m
Electric strength
33
kV/mm
Comparative tracking index
525
V
Comparative tracking index (PLC)
0
class
Inclined-Plane Tracking
2
kV

Other properties

Density
1470
kg/m³

Material specific properties

Drying temperature circulating air dryer
120
°C
Drying time circulating air dryer
4-8
h
Melt temperature (Tmin - Tmax)
250-265
°C
Mold temperature
70-90
°C
admissible residence time at Tmax
<5
min

Diagrams