Arnite® TV4 270

35% Glass Reinforced, Food Contact Quality

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

Molding shrinkage [parallel]
0.3
%
Molding shrinkage [normal]
1.1
%

Mechanical properties

Tensile modulus
11500
MPa
Stress at break
155
MPa
Strain at break
2.5
%
Charpy impact strength (+23°C)
65
kJ/m²
Charpy impact strength (-30°C)
65
kJ/m²
Charpy notched impact strength (+23°C)
9.7
kJ/m²
Charpy notched impact strength (-30°C)
13
kJ/m²

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
213
°C
Temp. of deflection under load (0.45 MPa)
224
°C
Coeff. of linear therm. expansion (parallel)
0.3
E-4/°C
Coeff. of linear therm. expansion (normal)
0.7
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
-
Relative Temperature Index - electrical
140
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - electrical
140
°C
RTI electrical (Thickness (2) tested)
3
mm
Relative Temperature Index - with impact
130
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
130
°C
RTI with impact (Thickness (2) tested)
3
mm
Relative Temperature Index - without impact
140
°C
RTI without impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
140
°C
RTI without impact (Thickness (2) tested)
3
mm

Electrical properties

Volume resistivity
>1E13
Ohm*m
Electric strength
30
kV/mm
Comparative tracking index
475
V
Comparative tracking index (PLC)
1
class

Other properties

Water absorption
0.25
%
Humidity absorption
0.15
%
Density
1570
kg/m³

Rheological calculation properties

Density of melt
1260
kg/m³
Thermal conductivity of melt
0.197
W/(m K)
Spec. heat capacity melt
1740
J/(kg K)
Eff. thermal diffusivity
9.01E-8
m²/s

Diagrams