Heat Treated Wooden Pallet

Heat Treated Wooden Pallet

wooden pallet
Wooden Pallet

Heat Treated Wooden Pallet- Comply ISPM15 certification

Wooden pallet is a flat transport structure that supports goods on stable fashion while being lifter by a forklift,pallet jack,front loader,work saver, or other jacking device or a crane.
Wooden pallet is the structural foundation of a unit load which allows handling and storage efficiencies. Goods of shipping containers are often place on pallet secured with strapping ,stretch wrap or shrink wrap and shipped.
Heat Treatment or Fumigation can be provided for export purposes.

What exactly is Heat Treated Wooden Pallet?

Heat Treatment (HT)  is a process whereby lumber is heated in a closed chamber until it reaches a core temperature of 56°C for at least 30 minutes in order to kill pathogens such as insects, fungi, or micro-organisms.
It differs from kiln drying in that it specifies a core temperature for a minimum time period, while kiln drying specifies only a certain moisture content.
The difference is significant. Kiln drying can be accomplished without reaching the temperatures required for heat treating, and conversely, heat treating can be achieved (and often is) without drying the lumber.
Among the activities provided by the standard ISPM-15 for the production of wood packaging material there is the TREATMENT, required step to affix the IPPC/FAO in accordance with the requirements.
According to the rules and guidelines laid down by the European Union, the only treatment methodology recognized since 2010 is the thermal treatment (code “HT”).
This activity is carried out in a drying kiln and foresees to raise temperature at the core of the wood to at least 56°C for a minimum time of 30 minutes (so-called direct method).
How is the process of heat treatment? These are the main steps:
HEATING: During this phase the timber is heated in a gradual and quick manner.
HT TREATMENT (Phytosanitary treatment according to standard FAO ISPM-15):
For some applications it is required that the material is treated at high temperature in order to reduce the possible presence of undesired micro-organisms.
This phase allows to certify a wood temperature always above a certain value for the time necessary (direct method = 56°C in the heart of the wood for 30 minutes).
COOLING: Before being picked from the cell the material is cooled; the reduction in temperature will be about a third of that reached during the drying phase.
In winter it will be further reduced so as to avoid excessive thermal excursion than the outside temperature.

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