Outdoor carbon-fibre composite
ASA-CF

ASA-CF: Weather resistance, stiffness and low warpage for precise outdoor engineering parts.

ASA-CF adds short carbon fibre to a UV-stable ASA matrix. Compared with unfilled ASA it trades some impact ductility for higher rigidity, better dimensional stability and a controlled matte surface—particularly valuable on large outdoor housings and assembly components.

ASA-CF printed rugged instrument housing being serviced on outdoor agricultural machinery
Representative applicationStiff weather-resistant instrument housing for mobile equipment

The engineer’s read.

Material family names are not specifications. This page anchors the discussion to a named commercial grade and published printed-specimen data, then translates that data into practical selection and design guidance.

What it brings

ASA-CF adds short carbon fibre to a UV-stable ASA matrix. Compared with unfilled ASA it trades some impact ductility for higher rigidity, better dimensional stability and a controlled matte surface—particularly valuable on large outdoor housings and assembly components.

Selection verdict

Choose ASA-CF when outdoor durability and dimensional accuracy must coexist.

Printed properties.

Orientation, conditioning and geometry can move finished-part performance materially. Use these figures to compare candidate materials—not as guaranteed minimums.

PropertyRepresentative valueTest / context
Density1.09 g/cm³ISO 1183
Tensile strength · XY43.51 MPaISO 527
Tensile strength · Z24.95 MPaISO 527
Young’s modulus · XY3.61 GPaISO 527
Flexural modulus · XY3.26 GPaISO 178
Flexural modulus · Z1.74 GPaISO 178
Notched Charpy · XY5.46 kJ/m²ISO 179
HDT · 0.45 MPa103°CISO 75

XY values normally represent flat-printed specimens. Z-direction strength can be substantially lower. Final production settings should be qualified on representative geometry.

Selection logic.

A useful material choice starts with load case, temperature, environment, duty cycle and failure consequence—not the strongest number on a datasheet.

Advantages

  • Strong UV and weather resistance
  • Higher stiffness and dimensional control than unfilled ASA
  • Reduced warpage on larger geometries
  • Professional matte finish

Watch-outs

  • More brittle than unfilled ASA
  • Less suitable for snap fits and repeatedly flexed features
  • Carbon-black appearance limits colour choice

Strong applications

Outdoor instrument housingsVehicle-mounted accessoriesWeatherproof bracketsGarden machinery partsExternal signage hardwareLarge assembly fixtures