Durethan® BKV55XF

55% Glass Reinforced, Injection Molding, Heat Stabilized, Improved flow

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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
  • Good or high flow
  • Heat stabilized
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)2023-10-27
  • Absence Declaration Phthalates (2005/84/EC: DEHP, DBP, BBP,DINP,DIDP, DNOP)2023-11-16
  • Absence Declaration Red Phosphorus2023-11-16
  • Conflict minerals declaration (EICC, GeSI)2024-05-15
  • REACH Registration Statement2024-03-27
  • RoHS Statement (2011/65/EC: Heavy metals)2024-02-01
  • SVHC, REACH Annex XIV and –XVII Statement2024-06-27
Processing technology
Injection Molding
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Rheological properties

Molding shrinkage (parallel)
0.2
%
Molding shrinkage (normal)
0.5
%

Mechanical properties

Tensile modulus
17300
MPa
Stress at break
215
MPa
Strain at break
2.5
%
Flexural modulus
16500
MPa
Flexural strength
330
MPa
Charpy impact strength (+23°C)
90
kJ/m²
Charpy notched impact strength (+23°C)
15
kJ/m²
Izod notched impact strength (+23°C)
15
kJ/m²

Thermal properties

Melting temperature (10°C/min)
221
°C
Temp. of deflection under load (1.80 MPa)
208
°C
Temp. of deflection under load (0.45 MPa)
218
°C
Coeff. of linear therm. expansion (parallel)
0.12
E-4/°C
Coeff. of linear therm. expansion (normal)
0.9
E-4/°C

Other properties

Density
1620
kg/m³

Material specific properties

Drying temperature dry air dryer
80
°C
Drying time dry air dryer
2-6
h
Residual moisture content
0.05-0.15
%
Melt temperature (Tmin - Tmax)
270-290
°C
Mold temperature
80-120
°C