Pocan® TFN4230

25% 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

Molding shrinkage (parallel)
0.4
%
Molding shrinkage (normal)
0.9
%

Mechanical properties

Tensile modulus
10300
MPa
Stress at break
100
MPa
Strain at break
1.8
%
Flexural modulus
10400
MPa
Flexural strength
160
MPa
Flexural strain at flexural strength
1.8
%
Charpy impact strength (+23°C)
30
kJ/m²
Charpy impact strength (-30°C)
25
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)
27
kJ/m²

Thermal properties

Temp. of deflection under load (1.80 MPa)
200
°C
Temp. of deflection under load (0.45 MPa)
220
°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
200
°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
800
°C
GWIT (Thickness (1) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
800
°C
GWIT (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
825
°C
GWIT (Thickness (3) tested)
3
mm
Relative Temperature Index - electrical
140
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
80
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
120
°C
RTI without impact (Thickness (1) tested)
0.75
mm

Electrical properties

Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
42
kV/mm
Comparative tracking index
475
V
Comparative tracking index (PLC)
1
class

Other properties

Density
1590
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)
260-270
°C
Mold temperature
80-100
°C
admissible residence time at Tmax
<5
min

JSON SPT

Molding shrinkage (parallel)
0.4
%
Molding shrinkage (normal)
0.9
%

Diagrams