Akulon® Fuel Lock FL40-HPX2

Low fuel permeation PA6 suitable for use in blow molding

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
Blow Molding
Automotive OEM
CALLOUT
OEM Specification
ASTM D6779 PA0261

Rheological properties

Melt volume-flow rate
35
cm³/10min
Temperature
275
°C
Load
21.6
kg
Molding shrinkage (parallel)
1.6
%
Molding shrinkage (normal)
1.5
%

Mechanical properties

Tensile modulus
2150
MPa
Tensile modulus (-40°C)
2300
MPa
Yield stress
54
MPa
Yield stress (-40°C)
84
MPa
Yield strain
3.8
%
Yield strain (-40°C)
7.5
%
Nominal strain at break
>50
%
Stress at break
46
MPa
Stress at break (-40°C)
60
MPa
Strain at break (-40°C)
18
%
Flexural modulus
2000
MPa
Flexural strength
75
MPa
Charpy impact strength (+23°C)
N
kJ/m²
Charpy impact strength (-30°C)
N
kJ/m²
Charpy notched impact strength (+23°C)
90
kJ/m²
Charpy notched impact strength (-30°C)
22
kJ/m²
Puncture - maximum force (+23°C)
4000
N
Puncture - maximum force (-30°C)
5500
N
Puncture - maximum force (-40°C)
5800
N
Puncture energy (+23°C)
49
J
Puncture energy (-30°C)
63
J
Puncture energy (-40°C)
75
J

Thermal properties

Glass Transition Temperature from DMTA (tan d)
71
°C
Temp. of deflection under load (1.80 MPa)
55
°C
Temp. of deflection under load (0.45 MPa)
100
°C
Vicat softening temperature (50°C/h 50N)
155
°C
Coeff. of linear therm. expansion (parallel)
1.5
E-4/°C
Coeff. of linear therm. expansion (normal)
0.9
E-4/°C

Other properties

Water absorption
7.4
%
Humidity absorption
2.9
%
Density
1080
kg/m³

Diagrams

Applications

Fuel tank PHEV

Industry
Automotive
  • •} Low Fuel permeation
  • •} Cold impact resistance
}

Outdoor power product fuel tanks

Industry
Consumer goods
  • •} Increased design freedom (minimum wall thickness possible up to 1.2mm)
  • •} Evaporative emissions barrier more than six times higher than regulations require
  • •} Guaranteed to last for the lifetime of the product
}