Pocan® T7331
30% Glass Reinforced, Injection Molding, 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
- Good surface properties
General Document
Regulatory Affairs
- Absence Declaration BNST2023-11-16
- Absence Declaration DMF (2009/251/EC: Dimethylfumarate)2023-11-16
- Absence Declaration ELV (2000/53/EC: Heavy metals)2024-02-15
- Absence Declaration Nano Materials2023-11-16
- Absence Declaration Ozone Depleting Chemicals2024-06-27
- Absence Declaration PAH (Polycyclic Aromatic Hydrocarbons)2023-11-16
- Absence Declaration PBT chemicals under TSCA section 6(h)2023-11-16
- Absence Declaration PFAS2024-03-05
- Absence Declaration POPs (Persistent Organic Pollutants)2024-09-04
- Absence Declaration Phthalates (2005/84/EC: DEHP, DBP, BBP,DINP,DIDP, DNOP)2023-11-16
- Absence Declaration Red Phosphorus2023-11-16
- Compliance Statement EU Sanctions and Embargos2024-05-16
- Conflict minerals declaration (EICC, GeSI)2024-05-15
- Deforestation Statement, Regulation (EU) 2023/1115 (EUDR)2024-09-19
- Packaging Declaration EU Decision 97/129/EC (labelling)2024-04-17
- REACH Registration Statement2024-03-27
- RoHS Statement (2011/65/EC: Heavy metals)2024-02-01
- SVHC, REACH Annex XIV and –XVII Statement2024-11-08
Yellow Card
Processing technology
Injection Molding
Injection Molding
Rheological properties
Melt volume-flow rate
30
cm³/10min
ISO 1133
Temperature
260
°C
ISO 1133
Load
5
kg
ISO 1133
Molding shrinkage (parallel)
0.3
%
ISO 294-4
Molding shrinkage (normal)
0.9
%
ISO 294-4
Mechanical properties
Tensile modulus
10400
MPa
ISO 527-1/-2
Tensile modulus (-40°C)
10800
MPa
ISO 527-1/-2
Tensile modulus (40°C)
9390
MPa
ISO 527-1/-2
Tensile modulus (100°C)
4030
MPa
ISO 527-1/-2
Tensile modulus (120°C)
3600
MPa
ISO 527-1/-2
Tensile modulus (140°C)
3280
MPa
ISO 527-1/-2
Tensile modulus (160°C)
3010
MPa
ISO 527-1/-2
Tensile modulus (180°C)
2820
MPa
ISO 527-1/-2
Tensile modulus (200°C)
2360
MPa
ISO 527-1/-2
Stress at break
145
MPa
ISO 527-1/-2
Strain at break
2.8
%
ISO 527-1/-2
Tensile creep modulus (1h)
10000
MPa
ISO 899-1
Tensile creep modulus (1000h)
8500
MPa
ISO 899-1
Flexural modulus
10300
MPa
ISO 178
Flexural strength
230
MPa
ISO 178
Flexural strain at flexural strength
3
%
ISO 178-A
Charpy impact strength (+23°C)
65
kJ/m²
ISO 179/1eU
Charpy impact strength (-30°C)
55
kJ/m²
ISO 179/1eU
Charpy notched impact strength (+23°C)
6.7
kJ/m²
ISO 179/1eA
Charpy notched impact strength (-30°C)
6.7
kJ/m²
ISO 179/1eA
Izod impact strength (+23°C)
55
kJ/m²
ISO 180/1U
Izod impact strength (-30°C)
55
kJ/m²
ISO 180-1U
Puncture - maximum force (+23°C)
650
N
ISO 6603-2
Puncture energy (+23°C)
2.1
J
ISO 6603-2
Thermal properties
Temp. of deflection under load (1.80 MPa)
200
°C
ISO 75-1/-2
Temp. of deflection under load (0.45 MPa)
220
°C
ISO 75-1/-2
Temp. of deflection under load (8.00 MPa)
100
°C
ISO 75-1/-2
Coeff. of linear therm. expansion (parallel)
0.3
E-4/°C
ISO 11359-1/-2
Coeff. of linear therm. expansion (normal)
0.9
E-4/°C
ISO 11359-1/-2
Burning Behav. at 0.75 mm nom. thickn.
HB
class
IEC 60695-11-10
Thickness tested
0.75
mm
IEC 60695-11-10
Burning Behav. at 1.5 mm nom. thickn.
HB
class
IEC 60695-11-10
Thickness tested
1.5
mm
IEC 60695-11-10
UL recognition
Yes
-
-
Burning Behav. at 3.0 mm nom. thickn.
HB
class
IEC 60695-11-10
Thickness tested
3
mm
IEC 60695-11-10
UL recognition
Yes
-
-
Oxygen index
21
%
ISO 4589-1/-2
Ball pressure temperature
220
°C
IEC 60695-10-2
Glow Wire Flammability Index GWFI
750
°C
IEC 60695-2-12
GWFI (Thickness (1) tested)
2
mm
IEC 60695-2-12
Relative Temperature Index - electrical
140
°C
UL746B
RTI electrical (Thickness (1) tested)
1
mm
UL746B
Relative Temperature Index - with impact
120
°C
UL746B
RTI with impact (Thickness (1) tested)
0.5
mm
UL746B
Relative Temperature Index - with impact
125
°C
UL746B
RTI with impact (Thickness (2) tested)
1.5
mm
UL746B
Relative Temperature Index - without impact
140
°C
UL746B
RTI without impact (Thickness (1) tested)
0.75
mm
UL746B
Electrical properties
Relative permittivity (100Hz)
4
-
IEC 62631-2-1
Relative permittivity (1 MHz)
3.8
-
IEC 62631-2-1
Dissipation factor (100 Hz)
18
E-4
IEC 62631-2-1
Dissipation factor (1 MHz)
170
E-4
IEC 62631-2-1
Volume resistivity
>1E13
Ohm*m
IEC 62631-3-1
Surface resistivity
>1E15
Ohm
IEC 62631-3-2
Electric strength
27
kV/mm
IEC 60243-1
Comparative tracking index
250
V
IEC 60112
Other properties
Water absorption
0.3
%
Sim. to ISO 62
Humidity absorption
0.1
%
Sim. to ISO 62
Density
1550
kg/m³
ISO 1183
Material specific properties
Viscosity number
91
cm³/g
ISO 307, 1157, 1628
Drying temperature circulating air dryer
120
°C
Drying time circulating air dryer
4-8
h
Residual moisture content
0.00-0.02
%
acc. to Karl Fischer
Melt temperature (Tmin - Tmax)
260-280
°C
Mold temperature
80-100
°C
