Akulon® K225-KS

Flame Retardant (halogen free), Heat Stabilized

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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
  • Heat stabilized
General Document
Regulatory Affairs
  • Absence Declaration BNST2023-11-16
  • Absence Declaration Biocidal Products2023-11-16
  • Absence Declaration DMF (2009/251/EC: Dimethylfumarate)2023-11-16
  • Absence Declaration ELV (2000/53/EC: Heavy metals)2024-02-15
  • Absence Declaration EPA 20 High Priority Substances 20192023-11-16
  • Absence Declaration Food Allergens2023-11-16
  • Absence Declaration NMP (N-Methylpyrrolidone)2023-11-16
  • Absence Declaration Nano Materials2023-11-16
  • Absence Declaration Ozone Depleting Chemicals2023-11-16
  • Absence Declaration PAH (Polycyclic Aromatic Hydrocarbons)2023-11-16
  • Absence Declaration PBT chemicals under TSCA section 6(h)2023-11-16
  • Absence Declaration PFAS2024-03-05
  • Absence Declaration POPs (Persistent Organic Pollutants)2023-10-27
  • Absence Declaration Phthalates (2005/84/EC: DEHP, DBP, BBP,DINP,DIDP, DNOP)2023-11-16
  • Absence Declaration Red Phosphorus2023-11-16
  • Absence Declaration opBDE (2003/11/EC: Octa- / Pentabromodiphenylether)2023-11-16
  • CALIFORNIA PROPOSITION 65 (NDS)2024-01-02
  • Conflict minerals declaration (EICC, GeSI)2024-03-21
  • Packaging, Packaging Waste and CONEG declaration (94/62/EC)2021-12-06
  • REACH Registration Statement2024-03-27
  • REACH STATEMENT KOREA2023-11-16
  • REACH STATEMENT TURKYE2023-11-16
  • RoHS Statement (2011/65/EC: Heavy metals)2024-02-01
  • SVHC, REACH Annex XIV and –XVII Statement2024-03-27
  • Turkish customs legislation info letter (EK-8 form)2023-11-16
Yellow Card
Processing technology
Injection Molding
Automotive OEM
PSA
OEM Specification
STELLANTIS - 01994-16-00164-MAN-01378-20-00200-(2021-07)
Applications
Have a question? Contact us

Rheological properties

Melt volume-flow rate
34.8
cm³/10min
Temperature
250
°C
Load
2.16
kg
Molding shrinkage (parallel)
1.1
%
Molding shrinkage (normal)
0.91
%

Mechanical properties

Tensile modulus
3800
MPa
Yield stress
80
MPa
Yield strain
3.5
%
Nominal strain at break
6
%
Nominal strain at break (90°C)
>50
%
Flexural modulus
3400
MPa
Flexural strength
115
MPa
Charpy impact strength (+23°C)
95
kJ/m²
Charpy impact strength (-30°C)
90
kJ/m²
Charpy notched impact strength (+23°C)
5
kJ/m²
Charpy notched impact strength (-30°C)
3
kJ/m²

Thermal properties

Melting temperature (10°C/min)
220
°C
Temp. of deflection under load (1.80 MPa)
75
°C
Temp. of deflection under load (0.45 MPa)
180
°C
Vicat softening temperature (50°C/h 50N)
204
°C
Coeff. of linear therm. expansion (parallel)
0.9
E-4/°C
Coeff. of linear therm. expansion (normal)
0.9
E-4/°C
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. at 0.4 mm nom. thickn.
V-0
class
Thickness tested
0.4
mm
Burning Behav. at 0.75 mm nom. thickn.
V-0
class
Thickness tested
0.75
mm
Oxygen index
40
%
Ball pressure temperature
210
°C
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (1) tested)
0.38
mm
Glow Wire Flammability Index GWFI
960
°C
GWFI (Thickness (2) tested)
1.5
mm
Glow Wire Ignition Temperature GWIT
960
°C
GWIT (Thickness (1) tested)
0.38
mm
Glow Wire Ignition Temperature GWIT
960
°C
GWIT (Thickness (2) tested)
1.5
mm
Relative Temperature Index - electrical
150
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - electrical
150
°C
RTI electrical (Thickness (2) tested)
3
mm
Relative Temperature Index - with impact
75
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
80
°C
RTI with impact (Thickness (2) tested)
3
mm
Relative Temperature Index - without impact
95
°C
RTI without impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
95
°C
RTI without impact (Thickness (2) tested)
3
mm

Electrical properties

Relative permittivity (100Hz)
3.3
-
Relative permittivity (1 MHz)
3.2
-
Dissipation factor (100 Hz)
90
E-4
Dissipation factor (1 MHz)
200
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
Ohm
Electric strength
30
kV/mm
Comparative tracking index
600
V

Other properties

Water absorption
9
%
Humidity absorption
2.5
%
Density
1180
kg/m³

Rheological calculation properties

Density of melt
898
kg/m³
Thermal conductivity of melt
0.28
W/(m K)
Spec. heat capacity melt
2530
J/(kg K)
Eff. thermal diffusivity
1.22E-7
m²/s

Diagrams

Applications

Contactors

Industry
Electrical
Material
Most grades are available with halogenfree flameretardancy, and in specific electro-grey colour for housings. Also Lasermarkable grades are available. ForTii® has a Heat Deflection Temperature (HDT) of 305°C .}
More information

Fuse holder

Industry
Electrical
Material
The fuse holder is a vital element in LVSG that protects different electrical loads against short circuit current. The application houses the fuse and facilitates easy assembly or replacement. Herein, the thermoplastic materials from Envalior Engineering Materials offer an advantage over traditional materials.}
More information

Motor Starter/Overload Relays

Industry
Electrical
Material
Most grades are available with halogenfree flameretardancy, and in specific electro-grey colour for housings. Also Lasermarkable grades are available. ForTii® has a Heat Deflection Temperature (HDT) of 305°C .}
More information