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Home Materials Library High impact polystyrene (HIPS)
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High impact polystyrene (HIPS)

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Price range:
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Colors:

  • White

Description:

HIPS is a high-impact polystyrene with excellent processability and balanced mechanical properties, designed for general-purpose injection moulding. With a moderate flexural modulus and good impact resistance, it is ideal for producing rigid parts that require ease of moulding and dimensional consistency. The material’s stable flow behavior and good surface finish make it particularly suited for aesthetic or thin-walled parts in appliances and electronic housings, where visual quality and cost-efficiency are key.

Processes:

Special properties

  • Impact resistance
PropertyValue, metric
Density1.04 g/cm³
Elongation at Break70%
Hardness96 (R-Scale)
Ultimate Tensile Strength23.5 MPa
Download datasheet
  • Injection moulding SPI surface finishes Injection moulding SPI surface finishes
    Injection Moulding SPI Finishes Injection Moulding SPI Finishes

    SPI

    SPI finishes are a set of standard mould finishes with different polished textures for enhanced properties.

    Notes:

    A1, A2, A3, B1, B2, B3, C1, C2, C3, D1, D2, D3

    Final result:

    • Heavily polished, to semi-gloss to fine and coarse matte depending on the selection
  • Injection moulding VDI surface finishes Injection moulding VDI surface finishes
    Injection moulding VDI surface finishes Injection moulding VDI surface finishes

    VDI

    VDI is an international standard for mould texturing of matte surfaces. It is mainly processed by Electrical Discharge Machining (EDM) when mould machining.

    Notes:

    VDI12, VDI15, VDI18,VDI21, VDI 24, VDI27, VDI30, VDI33, VDI36, VDI39, VDI42, VDI45

    Final result:

    • Fine-to-coarse grain depending on the selection

  • Custom

    Mouldmaker’s choice of finish. Typically SPI B-2, depending on geometry and drafts. Interior, non-cosmetic faces, are typically as-machined.