Durethan® BM240

40% Mineral Reinforced, Injection Molding, Low Warpage

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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
  • 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)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)
0.85
%
Molding shrinkage (normal)
0.85
%

Mechanical properties

Tensile modulus
5800
MPa
Stress at break
85
MPa
Strain at break
10
%
Flexural modulus
5500
MPa
Flexural strength
150
MPa
Charpy impact strength (+23°C)
140
kJ/m²
Charpy impact strength (-30°C)
80
kJ/m²
Charpy notched impact strength (+23°C)
<10
kJ/m²
Charpy notched impact strength (-30°C)
<10
kJ/m²
Izod notched impact strength (-40°C)
<10
kJ/m²
Puncture - maximum force (+23°C)
3030
N
Puncture - maximum force (-30°C)
728
N
Puncture energy (+23°C)
20
J
Puncture energy (-30°C)
3
J

Thermal properties

Melting temperature (10°C/min)
222
°C
Temp. of deflection under load (1.80 MPa)
90
°C
Temp. of deflection under load (0.45 MPa)
190
°C
Coeff. of linear therm. expansion (parallel)
0.6
E-4/°C
Coeff. of linear therm. expansion (normal)
0.7
E-4/°C
Glow Wire Flammability Index GWFI
650
°C
GWFI (Thickness (1) tested)
2
mm

Other properties

Water absorption
6
%
Humidity absorption
1.9
%
Density
1460
kg/m³

Material specific properties

Viscosity number
142
cm³/g
Drying temperature dry air dryer
80
°C
Drying time dry air dryer
2-6
h
Residual moisture content
0.03-0.12
%
Melt temperature (Tmin - Tmax)
270-290
°C
Mold temperature
80-120
°C