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Hot-press moulding

SMC-BMC Production

Composite parts hot-press moulded from SMC and BMC

SMC and BMC are thermoset composite materials reinforced with glass fibre. Pressed in heated moulds, they become light, rust-free parts with repeatable dimensions. The panels of our GRP modular water tanks are made the same way.

On every project we look at part geometry, surface expectations and the operating environment together.

Offer Form
  1. SMC-BMC Production — SMC panel being moulded in a hot press

SMC panel system

GRP Modular Water Tank

GRP modular water tanks are built by joining panels hot-press moulded from SMC. Because they are delivered in pieces and assembled on site, they can also go inside buildings and into spaces with narrow access; dimensions are set by the needs of each project.

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  1. GRP Modular Water Tank — render

SMC and BMC

Both are made of thermoset resin, glass fibre and fillers or additives; what sets them apart is the form in which they enter the mould.

  • SMC

    Sheet Moulding Compound

    Supplied as sheet

    Suited to large parts with a clean, even surface. Our GRP water tank panels are moulded from SMC.

  • BMC

    Bulk Moulding Compound

    Supplied as a dough-like compound

    Suited to small, detailed parts with complex shapes.

SMC and BMC parts are commonly used in infrastructure, electrical and industrial applications.

How hot-press moulding works

The material is shaped under pressure in a heated two-part mould and cures inside it.

  1. The material is prepared

    SMC sheets are cut to suit the mould; BMC compound is weighed for the part.

  2. It is charged into the mould

    The prepared material is placed in the heated lower mould.

  3. The press closes

    The upper mould comes down; the material fills the cavity under pressure and cures with heat.

  4. The part is removed

    The mould opens, flash is trimmed and any finishing is carried out.

General material properties

  • Light weight

    Lighter than metal, which makes handling and installation easier.

  • Corrosion resistance

    Does not rust or rot, so it suits damp environments.

  • Electrical insulation

    Does not conduct electricity, so it can be used where insulation is needed.

  • Freedom of form

    Parts with complex shapes can be moulded in a single operation.

  • Repeatable quality

    Parts from the same mould match in dimensions and surface.

  • Resin-dependent properties

    Chemical resistance and fire behaviour depend on the resin system chosen.

Quote

Get a Quote for SMC-BMC Production

Share the details of your project, and our team will work through the right solution with you.

What to send us for a quote

  1. A drawing, sample or photo of the part
  2. Approximate quantity
  3. Operating environment and your expectations