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Heat treatments

Heat treatment is used for the sterilisation and / or devitalisation of both imported and exported goods without the use of toxic gases. It is an environmentally friendly solution that is safe and harmless to your goods and products.

Goods suitable for this treatment include birdseeds, grains, herbs, bark products, Bali grass thatching, water hyacinth and moss products.

With export packaging guidelines that came into effect in early to mid-2004, exporters have the option for fumigation, heat treatment or kiln drying.

Our experience at Rentokil shows that due to the damaging affects of Methyl Bromide on the Ozone layer, some countries prefer heat treated timber packaging.

Rentokil’s heat treatment solutions

As well as AQIS, we can provide Australian companies a service for some products that have to be heat treated before they can go interstate or to the public.

We can offer a Dry Heat treatment.

  • The oven sizes used are a 26m3 ovens and a 80m3 oven
  • All our ovens use convection heating technology to minimise as far as possible any chance of the product being burnt or ignited
  • We have been heat treating for over 15 years and we have never had a burnt product

Call Rentokil on 1300 306 494 to schedule an appointment to discuss your requirements for heat treatment or fumigation.

Dry heat treatment

Dry heat treatment is the most common use of oven treatment.

Some of the products that can be treated with dry heat include honey, some grains and poppy seeds.

Personal effects are heat treated to ensure there is no foreign product coming into Australia to affect our flora and fauna.

How it works

  • Depending on the product, the normal rate for heat treatment is 85oC for 8 hours, which is the temperature and time AQIS has assessed to be enough to sterilize a product.
  • Other treatments vary from 85oC to 121oC (Soil) and up to 48 hours. Some timber products over 200mm in diameter require heat treatment at a rate of 56oC/30 minutes core temperature.
  • This process involves drilling a hole in the product so that a probe can be inserted.
  • Even though treatment is only for 30 minutes, it can take quite a few hours to reach the core temperature. This could possibly cause the product to crack, although we attempt to reduce this chance by bringing goods to temperature slowly.

Further information and next steps

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