Pocan® S7926

Unreinforced, Injection Molding, Extrusion, Flame Retardant, Improved Impact

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
Extrusion, Injection Molding

Rheological properties

Melt volume-flow rate
40
cm³/10min
Temperature
270
°C
Load
5
kg
Molding shrinkage (parallel)
2.1
%
Molding shrinkage (normal)
2
%

Mechanical properties

Tensile modulus
2400
MPa
Yield stress
40
MPa
Yield strain
3
%
Tensile creep modulus (1h)
2300
MPa
Tensile creep modulus (1000h)
1500
MPa
Flexural modulus
2300
MPa
Flexural strength
70
MPa
Flexural strain at flexural strength
5
%
Charpy impact strength (+23°C)
N
kJ/m²
Charpy impact strength (-30°C)
N
kJ/m²
Charpy notched impact strength (+23°C)
9
kJ/m²
Charpy notched impact strength (-30°C)
6
kJ/m²
Izod impact strength (+23°C)
N
kJ/m²
Izod impact strength (-30°C)
110
kJ/m²

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
60
°C
Temp. of deflection under load (0.45 MPa)
130
°C
Temp. of deflection under load (8.00 MPa)
47
°C
Coeff. of linear therm. expansion (parallel)
1.1
E-4/°C
Coeff. of linear therm. expansion (normal)
1.2
E-4/°C
Burning Behav. at 0.75 mm nom. thickn.
V-2
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
5VB
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Oxygen index
30
%
Ball pressure temperature
190
°C
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (1) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
775
°C
GWIT (Thickness (1) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
700
°C
GWIT (Thickness (3) tested)
3
mm
Relative Temperature Index - electrical
125
°C
RTI electrical (Thickness (1) tested)
1
mm
Relative Temperature Index - with impact
110
°C
RTI with impact (Thickness (1) tested)
1.5
mm
Relative Temperature Index - without impact
125
°C
RTI without impact (Thickness (1) tested)
1.5
mm

Electrical properties

Relative permittivity (100Hz)
3.2
-
Relative permittivity (1 MHz)
3.1
-
Dissipation factor (100 Hz)
15
E-4
Dissipation factor (1 MHz)
150
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
30
kV/mm
Comparative tracking index
600
V
Comparative tracking index (PLC)
0
class

Other properties

Water absorption
0.4
%
Humidity absorption
0.2
%
Density
1370
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