Durethan® BKV35H3.0

35% Glass Reinforced, Injection Molding, Heat Stabilized

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
Regulatory Affairs
Processing technology
Injection Molding

Rheological properties

Molding shrinkage (parallel)
0.23
%
Molding shrinkage (normal)
0.68
%

Mechanical properties

Tensile modulus
11000
MPa
Stress at break
190
MPa
Strain at break
3
%
Flexural modulus
10700
MPa
Flexural strength
290
MPa
Charpy impact strength (+23°C)
85
kJ/m²
Charpy impact strength (-30°C)
75
kJ/m²
Charpy notched impact strength (+23°C)
15
kJ/m²
Charpy notched impact strength (-30°C)
10
kJ/m²
Izod notched impact strength (+23°C)
15
kJ/m²

Thermal properties

Melting temperature (10°C/min)
222
°C
Temp. of deflection under load (1.80 MPa)
205
°C
Temp. of deflection under load (0.45 MPa)
215
°C
Coeff. of linear therm. expansion (parallel)
0.2
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
-
Glow Wire Flammability Index GWFI
650
°C
GWFI (Thickness (1) tested)
2
mm
Relative Temperature Index - electrical
120
°C
RTI electrical (Thickness (1) tested)
1.5
mm
Relative Temperature Index - with impact
95
°C
RTI with impact (Thickness (1) tested)
1.5
mm
Relative Temperature Index - without impact
140
°C
RTI without impact (Thickness (1) tested)
1.5
mm

Electrical properties

Relative permittivity (100Hz)
4
-
Relative permittivity (1 MHz)
4
-
Dissipation factor (100 Hz)
70
E-4
Dissipation factor (1 MHz)
150
E-4
Volume resistivity
1E13
Ohm*m
Surface resistivity
Ohm
Electric strength
40
kV/mm
Comparative tracking index
525
V

Other properties

Water absorption
6.5
%
Humidity absorption
1.9
%
Density
1410
kg/m³

Material specific properties

Viscosity number
140
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