Arnite® TV4 261 SF

30% Glass Reinforced, Flame Retardant, High Flow

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
Applications

Rheological properties

Molding shrinkage [parallel]
0.5
%
Molding shrinkage [normal]
1.45
%

Mechanical properties

Tensile modulus
11000
MPa
Tensile modulus (-40°C)
12000
MPa
Tensile modulus (100°C)
5300
MPa
Tensile modulus (120°C)
4600
MPa
Tensile modulus (160°C)
3100
MPa
Tensile modulus (180°C)
2300
MPa
Stress at break
130
MPa
Stress at break (-40°C)
195
MPa
Stress at break (100°C)
70
MPa
Stress at break (120°C)
60
MPa
Stress at break (160°C)
45
MPa
Stress at break (180°C)
35
MPa
Strain at break
2.5
%
Strain at break (-40°C)
2.5
%
Strain at break (120°C)
5
%
Strain at break (160°C)
6
%
Strain at break (180°C)
7
%
Flexural modulus
10500
MPa
Flexural modulus (120°C)
4800
MPa
Flexural modulus (160°C)
3200
MPa
Flexural strength
200
MPa
Flexural strength (120°C)
100
MPa
Flexural strength (160°C)
70
MPa
Charpy impact strength (+23°C)
50
kJ/m²
Charpy impact strength (-30°C)
40
kJ/m²
Charpy notched impact strength (+23°C)
8
kJ/m²
Charpy notched impact strength (-30°C)
8
kJ/m²

Thermal properties

Melting temperature (10°C/min)
225
°C
Temp. of deflection under load (1.80 MPa)
210
°C
Temp. of deflection under load (0.45 MPa)
220
°C
Coeff. of linear therm. expansion (parallel)
0.35
E-4/°C
Coeff. of linear therm. expansion (normal)
0.7
E-4/°C
Burning Behav. at 0.75 mm nom. thickn.
V-0
class
Thickness tested
0.75
mm
Burning Behav. at 1.5 mm nom. thickn.
V-0
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Burning Behav. at 3.0 mm nom. thickn.
V-0
class
Thickness tested
3
mm
UL recognition
Yes
-
Burning Behav. 5V at thickness h
5VB
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (1) tested)
1.5
mm
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (2) tested)
0.75
mm
Glow Wire Ignition Temperature GWIT
700
°C
GWIT (Thickness (1) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (2) tested)
0.75
mm
Relative Temperature Index - electrical
130
°C
RTI electrical (Thickness (1) tested)
0.4
mm
Relative Temperature Index - electrical
140
°C
RTI electrical (Thickness (2) tested)
0.75
mm
Relative Temperature Index - with impact
150
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
140
°C
RTI without impact (Thickness (1) tested)
0.75
mm

Electrical properties

Relative permittivity (100Hz)
4
-
Relative permittivity (1 MHz)
3.8
-
Dissipation factor (100 Hz)
25
E-4
Dissipation factor (1 MHz)
140
E-4
Volume resistivity
>1E13
Ohm*m
Electric strength
28
kV/mm
Comparative tracking index
300
V
Comparative tracking index (PLC)
2
class

Other properties

Water absorption
0.3
%
Humidity absorption
0.15
%
Density
1650
kg/m³

Diagrams

Applications

Bobbins

Industry
Electrical
  • •} UL146 class F for reinforced PBT grades and unreinforced PA46 grades, UL146 class H for reinforced PA46 grades
  • •} Grades available with halogenfree flame-retardant ingredients.
}