Durethan® B35F

Unreinforced, Film Extrusion, Extrusion, Food Contact Quality, Medium Viscosity, no additives

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General Information

Durethan® is the trade name for our range of engineering thermoplastics based on polyamide 6 and polyamide 66. These polyamides are partially crystalline thermoplastics which offer an ideal combination of properties, especially for technical applications. They provide high mechanical strength and stiffness, good dielectric properties, high resistance to both heat and chemical attack, and good friction and wear properties.
Special features
  • Medium viscosity
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
  • Food Contact Declaration2024-03-12
  • 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
Extrusion
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Rheological properties

Melt volume-flow rate
7
cm³/10min
Temperature
235
°C
Load
2.16
kg

Mechanical properties

Tensile modulus
2800
MPa
Yield stress
75
MPa
Yield strain
4
%
Nominal strain at break
20
%
Flexural modulus
2600
MPa
Charpy impact strength (+23°C)
N
kJ/m²
Charpy impact strength (-30°C)
N
kJ/m²
Charpy notched impact strength (+23°C)
5
kJ/m²
Charpy notched impact strength (-30°C)
5
kJ/m²
Izod notched impact strength (+23°C)
7
kJ/m²

Thermal properties

Melting temperature (10°C/min)
222
°C
Temp. of deflection under load (1.80 MPa)
50
°C
Temp. of deflection under load (0.45 MPa)
150
°C
Temp. of deflection under load (8.00 MPa)
40
°C
Coeff. of linear therm. expansion (parallel)
0.8
E-4/°C
Coeff. of linear therm. expansion (normal)
0.8
E-4/°C
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
24
%

Electrical properties

Relative permittivity (100Hz)
3.9
-
Relative permittivity (1 MHz)
3.5
-
Volume resistivity
1E12
Ohm*m
Surface resistivity
Ohm
Electric strength
30
kV/mm
Comparative tracking index
600
V

Other properties

Water absorption
10
%
Humidity absorption
3
%
Density
1140
kg/m³

Material specific properties

Viscosity number
190
cm³/g