AKROMID®

Preliminary

A3 black (7557)PA66

AKROMID® A3 black (7557) is an unreinforced, UV stabilised polyamide 6.6.

Properties

Modulus

3.000MPa

Strength

80MPa

Impact

180kJ/m²

Mechanical Properties

Tensile modulus

ISO 527-2

1 mm/min | d.a.m.
1 mm/min | conditioned
3000 MPa
1100 MPa

Tensile stress at yield

ISO 527-2

50 mm/min | d.a.m.
50 mm/min | conditioned
80 MPa
45 MPa

Tensile strain at break

ISO 527-2

50 mm/min | d.a.m.
50 mm/min | conditioned
> 15 %
> 25 %

Charpy impact strength

ISO 179-1/1eU

23°C | d.a.m.
23°C | conditioned
30°C | d.a.m.
-
30°C | conditioned
-
no break
no break
no break
no break

Charpy notched impact strength

ISO 179-1/1eA

23°C | d.a.m.
4 kJ/m²

Thermal Properties

Temperature of deflection under load HDT/A

ISO 75

1,8 MPa
65 °C

Temperature of deflection under load HDT/B

ISO 75

0,45 MPa
210 °C

Temperature of deflection under load HDT/C

ISO 75

8 MPa
45 °C

Melting temperature

ISO 11357-3

DSC, 10K/min
260 °C

Flammability

Burning rate

UL 94

1,6 mm Wall thickness
HB Class

Burning rate (<100 mm/min)

FMVSS 302

> 1 mm Thickness
+

General properties

Density

ISO 1183

23°C
1,14 g/cm³

Humidity absorption

ISO 1110

70°C, 62% r.H.
2,9 %

Molding shrinkage

ISO 294-4

flow
transverse
1,3 - 1,5 %
1,5 - 1,7 %

Rheological Properties

Flowability

AKRO

1 mm Thickness
2 mm Thickness
310 mm
980 mm

Disclaimer

All specifications and information given on this website are based on our current knowledge and experience. A legally binding promise of certain characteristics or suitability for a concrete individual case cannot be derived from this information. The information supplied here is not intended to release processors and users from the responsibility of carrying out their own tests and inspections in each concrete individual case. AKRO®, AKROMID®, AKROLEN®, AKROLOY®, AKROTEK®, ICX® and PRECITE® are registered trademarks of the Feddersen Group.