Pocan® TF4237S1

30% Glass Fiber Reinforced, Injection Molding, Flame Retardant, Excellent Surface Properties

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
9
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.3
%
Molding shrinkage (normal)
0.9
%

Mechanical properties

Tensile modulus
11000
MPa
Stress at break
140
MPa
Strain at break
2.2
%
Flexural modulus
10700
MPa
Flexural strength
220
MPa
Flexural strain at flexural strength
2.5
%
Charpy impact strength (+23°C)
55
kJ/m²
Charpy impact strength (-30°C)
50
kJ/m²
Izod impact strength (+23°C)
50
kJ/m²
Izod impact strength (-30°C)
50
kJ/m²

Thermal properties

Temp. of deflection under load (1.80 MPa)
200
°C
Temp. of deflection under load (0.45 MPa)
220
°C
Vicat softening temperature (50°C/h 50N)
202
°C
Coeff. of linear therm. expansion (parallel)
0.2
E-4/°C
Coeff. of linear therm. expansion (normal)
0.8
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
-
Oxygen index
29.7
%
Ball pressure temperature
205
°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)
1.6
mm
Glow Wire Ignition Temperature GWIT
800
°C
GWIT (Thickness (1) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
775
°C
GWIT (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
750
°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
105
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
110
°C
RTI with impact (Thickness (2) tested)
3
mm
Relative Temperature Index - without impact
115
°C
RTI without impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
120
°C
RTI without impact (Thickness (2) tested)
1.5
mm

Electrical properties

Volume resistivity
1E14
Ohm*m
Surface resistivity
1E17
Ohm
Electric strength
34
kV/mm
Comparative tracking index
200
V
Comparative tracking index (PLC)
3
class

Other properties

Density
1660
kg/m³

Material specific properties

Drying temperature circulating air dryer
120
°C
Drying time circulating air dryer
4-8
h
Melt temperature (Tmin - Tmax)
260-270
°C
Mold temperature
80-100
°C
admissible residence time at Tmax
<5
min

Diagrams