Fibreglass is most often thought of as old technology, and yet decades after introduction it remains the best option for low to medium volume rigid moulded products.

Industry systems vary from the most precise hand-lay procedures, to higher volume compression processes.  Aerotrans Australia utilise hand-lay, chopper process and light RTM.

Hand-Lay is typically used for low volumes and/or where lay-up precision is required.  Chopper gun processing decreases production time and is the best option for most medium volume projects.  However, if a specific task requires increased precision and a need to have both sides of the product moulded, Aerotrans Australia will then offer Light Resin Transfer Moulding (RTM).

Glass Fibre Chopping

  1. First one starts with a perfect mould, waxed, polished and prepped for production.
  2. Then careful, skilled application of ‘in-mould’ coating – Gelcoat (in this case white)
  3. After gelcoat is cured in our heat area at just the right time the glass fibre rovings are chopped into the flowing resin and is carefully, evenly applied over the total mould surface.
  4. Prior to curing the total area is hand rolled to ensure that there are no air bubbles that may cause product failure after supply.
  5. Once all air bubbles are rolled out, the cure process continues for a few hours. While this process is underway, some products have stiffening membranes inserted to add rigidity at minimal additional weight.
  6. At the relevant time the product is released from the mould, the demoulding flanges are trimmed, along with any specific shaping for installation of component on equipment.
  7. Product is detailed, packed and sent to either warehouse or client.

Light RTM (Resin Transfer Moulding)

  1. Two part mould is used to provide a lighter product with greater tolerances.
  2. Gelcoat is applied in similar manner to open mould production.
  3. Special glass fibre is applied in sheet form.
  4. B-Mould is positional, sealed and vacuum is applied.
  5.  Once cured the component, which is moulded inside and out is demoulded and trimmed in a similar way to all other products.

The estimated fuel savings in this web-site are specific to product type, based on many years of customer feedback. Many factors influence fuel savings; should you like a performance estimate more specific to your application, please call 1300-4-AEROZ or 03 9753 4555.

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