Arnite® TV4 240

20% Glass Reinforced

General Information

Arnite® T (PBT) is a high-performance engineering plastic that combines high strength and rigidity with excellent processing characteristics. It’s well suited for a broad range of automotive, electrical & electronic and consumer goods applications.
Special features
Regulatory Affairs
Processing technology
Injection Molding

Rheological properties

Melt volume-flow rate
19
cm³/10min
Temperature
250
°C
Load
2.16
kg
Molding shrinkage [parallel]
0.45
%
Molding shrinkage [normal]
1.3
%

Mechanical properties

Tensile modulus
7200
MPa
Tensile modulus (-40°C)
8100
MPa
Tensile modulus (100°C)
3300
MPa
Tensile modulus (120°C)
3000
MPa
Tensile modulus (160°C)
2500
MPa
Tensile modulus (180°C)
2200
MPa
Stress at break
120
MPa
Stress at break (-40°C)
155
MPa
Stress at break (100°C)
65
MPa
Stress at break (120°C)
60
MPa
Stress at break (160°C)
45
MPa
Stress at break (180°C)
38
MPa
Strain at break
3
%
Strain at break (-40°C)
2.4
%
Strain at break (120°C)
6.5
%
Strain at break (160°C)
6.7
%
Strain at break (180°C)
6.7
%
Flexural modulus
6900
MPa
Flexural modulus (120°C)
3000
MPa
Flexural modulus (160°C)
2500
MPa
Flexural strength
190
MPa
Flexural strength (120°C)
85
MPa
Flexural strength (160°C)
65
MPa
Charpy impact strength (+23°C)
40
kJ/m²
Charpy impact strength (-30°C)
35
kJ/m²
Charpy notched impact strength (+23°C)
7
kJ/m²
Charpy notched impact strength (-30°C)
7
kJ/m²

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
205
°C
Temp. of deflection under load (0.45 MPa)
220
°C
Coeff. of linear therm. expansion (parallel)
0.4
E-4/°C
Coeff. of linear therm. expansion (normal)
0.8
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
UL recognition
Yes
-
Burning Behav. at 3.0 mm nom. thickn.
HB
class
Thickness tested
3
mm
UL recognition
Yes
-
Oxygen index
20
%
Glow Wire Flammability Index GWFI
725
°C
GWFI (Thickness (1) tested)
0.8
mm
Glow Wire Flammability Index GWFI
700
°C
GWFI (Thickness (2) tested)
1.6
mm
Relative Temperature Index - electrical
140
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
130
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
130
°C
RTI without impact (Thickness (1) tested)
0.75
mm

Electrical properties

Relative permittivity (100Hz)
3.7
-
Relative permittivity (1 MHz)
3.5
-
Dissipation factor (100 Hz)
20
E-4
Dissipation factor (1 MHz)
180
E-4
Volume resistivity
>1E13
Ohm*m
Electric strength
30
kV/mm
Comparative tracking index
400
V
Comparative tracking index (PLC)
1
class

Other properties

Water absorption
0.3
%
Humidity absorption
0.15
%
Density
1450
kg/m³

Rheological calculation properties

Density of melt
1220
kg/m³
Thermal conductivity of melt
0.25
W/(m K)
Spec. heat capacity melt
1850
J/(kg K)
Eff. thermal diffusivity
1.11E-7
m²/s

Diagrams