Pocan® B7425

20% Glass Beads Reinforced, Injection Molding, Excellent Surface Properties, Low Warpage

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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
  • Low warpage
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 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
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Rheological properties

Melt volume-flow rate
35
cm³/10min
Temperature
260
°C
Load
5
kg
Molding shrinkage (parallel)
2.1
%
Molding shrinkage (normal)
2.1
%

Mechanical properties

Tensile modulus
3300
MPa
Stress at break
50
MPa
Strain at break
6
%
Tensile creep modulus (1h)
3300
MPa
Tensile creep modulus (1000h)
2700
MPa
Flexural modulus
3300
MPa
Flexural strength
90
MPa
Flexural strain at flexural strength
5
%
Charpy impact strength (+23°C)
35
kJ/m²
Charpy impact strength (-30°C)
25
kJ/m²
Charpy notched impact strength (+23°C)
2
kJ/m²
Charpy notched impact strength (-30°C)
3
kJ/m²
Izod impact strength (+23°C)
30
kJ/m²
Izod impact strength (-30°C)
20
kJ/m²
Puncture - maximum force (+23°C)
365
N
Puncture energy (+23°C)
1.1
J

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
70
°C
Temp. of deflection under load (0.45 MPa)
170
°C
Temp. of deflection under load (8.00 MPa)
50
°C
Coeff. of linear therm. expansion (parallel)
1
E-4/°C
Coeff. of linear therm. expansion (normal)
1
E-4/°C
Burning Behav. at 0.75 mm nom. thickn.
HB
class
Thickness tested
0.75
mm
Burning Behav. at 1.5 mm nom. thickn.
HB
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Burning Behav. at 3.0 mm nom. thickn.
HB
class
Thickness tested
3
mm
UL recognition
Yes
-
Oxygen index
23
%
Ball pressure temperature
200
°C
Glow Wire Flammability Index GWFI
650
°C
GWFI (Thickness (1) tested)
2
mm

Electrical properties

Relative permittivity (100Hz)
3.8
-
Relative permittivity (1 MHz)
3.6
-
Dissipation factor (100 Hz)
90
E-4
Dissipation factor (1 MHz)
170
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
25
kV/mm
Comparative tracking index
250
V

Other properties

Water absorption
0.4
%
Humidity absorption
0.1
%
Density
1440
kg/m³

Material specific properties

Viscosity number
130
cm³/g
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)
250-270
°C
Mold temperature
80-100
°C

Diagrams