Pocan® BF4212

15% Glass Reinforced

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

Rheological properties

Melt volume-flow rate
14
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.7
%
Molding shrinkage (normal)
1.1
%

Mechanical properties

Tensile modulus
7000
MPa
Stress at break
110
MPa
Strain at break
2.6
%
Flexural modulus
6200
MPa
Flexural strength
160
MPa
Flexural strain at flexural strength
3.4
%
Izod impact strength (+23°C)
25
kJ/m²
Izod impact strength (-30°C)
25
kJ/m²

Thermal properties

Melting temperature (10°C/min)
222
°C
Temp. of deflection under load (1.80 MPa)
190
°C
Vicat softening temperature (50°C/h 50N)
212
°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
-
Ball pressure temperature
212
°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
850
°C
GWIT (Thickness (1) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
750
°C
GWIT (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (3) tested)
3
mm
Relative Temperature Index - electrical
120
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
110
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
115
°C
RTI with impact (Thickness (2) tested)
1.5
mm
Relative Temperature Index - without impact
110
°C
RTI without impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
115
°C
RTI without impact (Thickness (2) tested)
1.5
mm

Electrical properties

Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
29
kV/mm
Comparative tracking index (PLC)
3
class

Other properties

Water absorption
0.4
%
Humidity absorption
0.2
%
Density
1530
kg/m³

Material specific properties

Drying temperature circulating air dryer
120
°C
Drying time circulating air dryer
4-8
h
Melt temperature (Tmin - Tmax)
240-260
°C
Mold temperature
80-100
°C

JSON SPT

Melt volume-flow rate
14
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.7
%
Molding shrinkage (normal)
1.1
%

Diagrams