Pocan® B4215

12% Glass Reinforced, Injection Molding, Flame Retardant

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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
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 PFAS (PTFE containing)2024-03-05
  • 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
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Rheological properties

Melt volume-flow rate
22
cm³/10min
Temperature
260
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.8
%
Molding shrinkage (normal)
1.1
%

Mechanical properties

Tensile modulus
5800
MPa
Stress at break
100
MPa
Strain at break
2.5
%
Tensile creep modulus (1h)
5500
MPa
Tensile creep modulus (1000h)
5000
MPa
Flexural modulus
5700
MPa
Flexural strength
155
MPa
Flexural strain at flexural strength
3.2
%
Charpy impact strength (+23°C)
25
kJ/m²
Charpy impact strength (-30°C)
25
kJ/m²
Charpy notched impact strength (+23°C)
4
kJ/m²
Charpy notched impact strength (-30°C)
4
kJ/m²
Izod impact strength (+23°C)
20
kJ/m²
Izod impact strength (-30°C)
20
kJ/m²

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
185
°C
Temp. of deflection under load (0.45 MPa)
210
°C
Temp. of deflection under load (8.00 MPa)
70
°C
Coeff. of linear therm. expansion (parallel)
0.4
E-4/°C
Coeff. of linear therm. expansion (normal)
1
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
Burning Behav. 5V at thickness h
5VA
class
Thickness tested
3.5
mm
UL recognition
Yes
-
Oxygen index
32
%
Ball pressure temperature
205
°C
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (1) tested)
2
mm
Relative Temperature Index - electrical
140
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
130
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
140
°C
RTI without impact (Thickness (1) tested)
0.75
mm

Electrical properties

Relative permittivity (100Hz)
3.6
-
Relative permittivity (1 MHz)
3.4
-
Dissipation factor (100 Hz)
40
E-4
Dissipation factor (1 MHz)
190
E-4
Surface resistivity
>1E15
Ohm
Electric strength
29
kV/mm
Comparative tracking index
200
V
Comparative tracking index (PLC)
3
class

Other properties

Water absorption
0.3
%
Humidity absorption
0.1
%
Density
1510
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