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A photo of the IPPC seal on a wine shipping crate. International Standards For Phytosanitary Measures No. 15 (ISPM 15) is an International Phytosanitary Measure developed by the International Plant Protection Convention (IPPC) that directly addresses the need to treat wood materials of a thickness greater than 6mm, used to ship products between countries.
Wood treated with this process is often used for cladding or siding, flooring, furniture and windows. For the control of pests that may be harbored in wood packaging material (i.e. crates and pallets), the ISPM 15 requires heat treatment of wood to 56 °C for 30 minutes to receive the HT stamp.
Heat treatment: The wood must be heated to achieve a minimum core temperature of 56 °C (133 °F) for at least 30 minutes. Pallets treated using this method bear the initials HT near the IPPC logo. Chemical fumigation: The wood must be fumigated with methyl bromide. Pallets treated using this method bear the initials MB near the
The traditional fire-heated method is still in use today. While they require longer lengths of time to heat, are inconsistent in temperature and all around inferior to more advanced forms of branding, they are inexpensive to produce and purchase. Fire-heated branding irons are used to brand wood, steak, leather, livestock and plastics.
Heat treating furnace at 1,800 °F (980 °C) Heat treating (or heat treatment) is a group of industrial, thermal and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as ...
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