ABS compounds

ABS engineering plastic for housings and structural parts.

Example grade / typical values — to be corrected by GREENPOLYMER

Selection criteria

  • Appearance
  • Toughness
  • Flow

ABS is made of acrylonitrile, butadiene and styrene. It is easy to process, has a good surface, is easy to color and costs relatively little. ABS is commonly used for cosmetic parts, accessory housings, keys, toolboxes and internal brackets.

The weak points of ABS are heat resistance and weathering. Standard ABS has a heat deflection temperature of 80–95 °C at 1.80 MPa (Typical values. Refer to the actual TDS.) and yellows and becomes brittle under long sun exposure. When higher heat resistance, low-temperature toughness or halogen-free flame retardancy is needed, consider PC/ABS.

GREENPOLYMER ABS grades

Full list · 4 grades
GradeKey featuresSuitable parts
GRN-ABS-G110General purposeAccessory housings, buttons, trim parts
GRN-ABS-H120High impactToolboxes, storage boxes, housings that must survive drops
GRN-ABS-A110High gloss, mold-in-color (paint-free)Cosmetic parts for appliances and consumer electronics
GRN-ABS-F510Flame retardant (V-0 design target)Cost-sensitive internal parts with moderate heat requirements

Recycled-content versions (-R) of each grade can be customized.

Key properties

Typical values. Refer to the actual TDS.

  • Notched impact (ISO 179/1eA, 23 °C)
    • ABS-G11015–25 kJ/m²
    • ABS-H12025–40 kJ/m²
    • ABS-A11012–22 kJ/m²
    • ABS-F5108–15 kJ/m²
  • HDT (ISO 75, 1.80 MPa)
    • ABS-G11080–95 °C
    • ABS-H12080–90 °C
    • ABS-A11080–90 °C
    • ABS-F51075–85 °C
  • Flammability (UL 94, design target)
    • ABS-G110HB @ 1.5 mm
    • ABS-H120HB @ 1.5 mm
    • ABS-A110HB @ 1.5 mm
    • ABS-F510V-0 @ 1.5 mm
Full table
GradeNotched impact (ISO 179/1eA, 23 °C)HDT (ISO 75, 1.80 MPa)Flammability (UL 94, design target)
GRN-ABS-G11015–25 kJ/m²80–95 °CHB @ 1.5 mm
GRN-ABS-H12025–40 kJ/m²80–90 °CHB @ 1.5 mm
GRN-ABS-A11012–22 kJ/m²80–90 °CHB @ 1.5 mm
GRN-ABS-F5108–15 kJ/m²75–85 °CV-0 @ 1.5 mm

For full properties, see Products.

How to choose between ABS grades

  • First, check whether flame retardancy is needed

    If it is, choose GRN-ABS-F510. If you need halogen-free, this is difficult with ABS, so consider halogen-free PC/ABS instead.

  • Then look at appearance

    For high-gloss, mold-in-color parts choose GRN-ABS-A110. Matte or textured surfaces usually use GRN-ABS-G110.

  • Finally, consider drops and assembly

    With drop requirements, many snap fits or many screw bosses, choose GRN-ABS-H120.

When to switch to PC/ABS

SituationReason
The part works above 80 °C for long periodsABS has too little heat margin
Impact performance needed below −20 °CABS loses much of its impact strength at low temperatures
Halogen-free V-0 neededPC chars well, so halogen-free flame retardancy is easier to achieve
Outdoor useStandard ABS has poor weather resistance

Processing advice

Typical values. Refer to the actual TDS.

  • Drying80–85 °C, 2–4 h; moisture content below 0.1 % recommended
  • Melt temperature210–250 °C; flame-retardant grades at the lower end, usually not above 230 °C
  • Mold temperature40–80 °C; upper end for high-gloss parts
Injection speed
Medium to high; for high-gloss parts combine with mold temperature control
Residence time
Avoid long residence for flame-retardant grades to prevent degradation and discoloration
Regrind
Control the regrind ratio to your specification and validate appearance and impact separately
Full table
ItemRecommended
Drying80–85 °C, 2–4 h; moisture content below 0.1 % recommended
Melt temperature210–250 °C; flame-retardant grades at the lower end, usually not above 230 °C
Mold temperature40–80 °C; upper end for high-gloss parts
Injection speedMedium to high; for high-gloss parts combine with mold temperature control
Residence timeAvoid long residence for flame-retardant grades to prevent degradation and discoloration
RegrindControl the regrind ratio to your specification and validate appearance and impact separately

Design points

  • Keep wall thickness as even as possible

    Sudden changes in wall thickness cause sink marks and warpage.

  • Make the screw boss outer diameter about 2–2.5 times the hole diameter, with a fillet at the root

    This is a common industry rule of thumb; mold trials decide.

  • On high-gloss parts, watch weld line locations

    Keep weld lines off visible surfaces where possible.

  • Avoid contact with certain chemicals while under stress

    Hand cream, alcohol and some cleaners can cause stress cracking; run stress cracking tests with the actual media.

FAQ

Can ABS housings reach V-0?

Yes. The design target of GRN-ABS-F510 is V-0 @ 1.5 mm, but it uses a conventional flame-retardant system. If you need halogen-free, choose halogen-free PC/ABS.

Can mold-in-color ABS fully replace painting?

It depends on the appearance requirements. Mold-in-color removes the painting step but places higher demands on the mold, gates and process. Send us your color plaque and appearance standard and we will evaluate it together.

Can ABS be used outdoors?

Standard ABS is not recommended for long-term outdoor use. For outdoor parts see weather-resistant PC/ABS (GRN-PCA-W310).

Related content

Contact us

Tell us the part name, wall thickness, appearance requirements, whether flame retardancy is needed and the expected volume. Phone +86 18822892298 | Email hello@greenpolymer.com