Durethan® BM40XH2.0EF

40% Glass/Mineral Reinforced, Injection Molding, Heat Stabilized, Improved flow, Excellent Surface Properties, 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
  • Good or high flow
  • Good surface properties
  • Heat stabilized
  • Low warpage
General Document
Processing technology
Injection Molding
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Rheological properties

Molding shrinkage (parallel)
0.31
%
Molding shrinkage (normal)
0.72
%

Mechanical properties

Tensile modulus
9000
MPa
Stress at break
130
MPa
Strain at break
2.5
%
Flexural modulus
8800
MPa
Flexural strength
206
MPa
Charpy impact strength (+23°C)
40
kJ/m²
Charpy impact strength (-30°C)
37
kJ/m²
Charpy notched impact strength (+23°C)
3.5
kJ/m²
Charpy notched impact strength (-30°C)
2.5
kJ/m²
Izod notched impact strength (+23°C)
4
kJ/m²

Thermal properties

Melting temperature (10°C/min)
220
°C
Temp. of deflection under load (1.80 MPa)
195
°C
Temp. of deflection under load (0.45 MPa)
215
°C
Coeff. of linear therm. expansion (parallel)
0.28
E-4/°C
Coeff. of linear therm. expansion (normal)
0.85
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

Other properties

Water absorption
5.8
%
Humidity absorption
1.7
%
Density
1450
kg/m³

Material specific properties

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)
280-300
°C
Mold temperature
80-100
°C