Akulon® Ultraflow K-FKMV5

25% Mineral Reinforced, Flame Retardant (halogen free), High Flow

General Information

Akulon® is our family of high performance polyamide 6 and polyamide 66 materials, used by customers across the world in applications ranging from automotive, electronics & electrical, to furniture and packaging.
We offer Akulon® grades for injection molding, blow molding and extrusion (including barrier film, stock shapes, convoluted tubes, and mono and multi filament).
In molded parts the material offers an excellent balance of easy design and processing with outstanding mechanical properties over a wide temperature range and in diverse conditions. Meanwhile for extrusion the strength, resilience and easy processing of Akulon® sets the market standards.
Special features
Regulatory Affairs
Processing technology
Injection Molding
Design challenge
Downsizing & Miniaturization
Flame Retardancy | Halogen free

Rheological properties

Melt volume-flow rate
25
cm³/10min
Temperature
250
°C
Load
2.16
kg
Molding shrinkage (parallel)
0.6
%
Molding shrinkage (normal)
0.8
%

Mechanical properties

Tensile modulus
6200
MPa
Stress at break
65
MPa
Strain at break
2
%
Flexural modulus
6500
MPa
Flexural strength
115
MPa
Charpy impact strength (+23°C)
25
kJ/m²
Charpy impact strength (-30°C)
25
kJ/m²
Charpy notched impact strength (+23°C)
2
kJ/m²
Charpy notched impact strength (-30°C)
2
kJ/m²

Thermal properties

Melting temperature (10°C/min)
220
°C
Temp. of deflection under load (1.80 MPa)
110
°C
Temp. of deflection under load (0.45 MPa)
205
°C
Burning Behav. at 1.5 mm nom. thickn.
V-2
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Burning Behav. at 3.0 mm nom. thickn.
V-2
class
Thickness tested
3
mm
UL recognition
Yes
-
Burning Behav. at 0.75 mm nom. thickn.
V-2
class
Thickness tested
0.75
mm
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)
3
mm
Glow Wire Ignition Temperature GWIT
725
°C
GWIT (Thickness (1) tested)
1.5
mm
Relative Temperature Index - electrical
65
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - electrical
65
°C
RTI electrical (Thickness (2) tested)
3
mm
Relative Temperature Index - with impact
65
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
65
°C
RTI with impact (Thickness (2) tested)
3
mm
Relative Temperature Index - without impact
65
°C
RTI without impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
65
°C
RTI without impact (Thickness (2) tested)
3
mm

Electrical properties

Volume resistivity
>1E13
Ohm*m
Surface resistivity
Ohm
Comparative tracking index
V

Other properties

Water absorption
6.2
%
Humidity absorption
1.8
%
Density
1380
kg/m³

Rheological calculation properties

Density of melt
1170
kg/m³
Thermal conductivity of melt
0.201
W/(m K)
Spec. heat capacity melt
2250
J/(kg K)
Eff. thermal diffusivity
7.63E-8
m²/s

Applications

Molded case circuit breakers

Industry
Electrical
Most grades are available with halogenfree flameretardancy, and in specific electro-grey colour for housings.}