AKROMID®

Internal

A3 black (3706)PA66

AKROMID® A3 black (3706) is an unreinforced, heat and UV stabilized polyamide 6.6. The compound is characterized by good flowability and is particularly suitable for connecting and fixing elements for outdoor applications. The successor type is AKROMID® A3 black (4432).

Features

heat stabilised 130
UV-stabilised

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
1400 MPa

Tensile stress at yield

ISO 527-2

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

Tensile strain at yield

ISO 527-2

50 mm/min | d.a.m.
> 5 %

Tensile strain at break

ISO 527-2

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

Flexural modulus

ISO 178

2 mm/min | d.a.m.
2 mm/min | conditioned
2800 MPa
1400 MPa

Flexural strength

ISO 178

2 mm/min | d.a.m.
2 mm/min | conditioned
110 MPa
50 MPa

Flexural strain at break

ISO 178

2 mm/min | d.a.m.
2 mm/min | conditioned
7 %
9 %

Charpy impact strength

ISO 179-1/1eU

23°C | d.a.m.
no break

Charpy notched impact strength

ISO 179-1/1eA

23°C | d.a.m.
30°C | d.a.m.
-
7 kJ/m²
6,5 kJ/m²

Izod notched impact strength

ISO 180/1A

23°C | d.a.m.
30°C | d.a.m.
-
40°C | d.a.m.
-
8 kJ/m²
7 kJ/m²
7 kJ/m²

Ball indentation hardness

ISO 2039-1

358N/30s | d.a.m.
358N/30s | conditioned
144 MPa
87 MPa

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
209 °C

Temperature of deflection under load HDT/C

ISO 75

8 MPa
47 °C

Melting temperature

ISO 11357-3

DSC, 10K/min
260 °C

Flammability


Burning rate

UL 94

0,8 mm Wall thickness
1,6 mm Wall thickness
HB Class
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 %

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.