Heat Treated Wood
The treated wood is somewhat darkened in colour.
Heat treated wood. ISPM-15 is an agreement between the United States and 133 other countries that requires all wood packaging material both hardwood and pine used in exports be heat treated at a core temperature of 56 degrees Celsius for a minimum of 30 minutes. The wood used is prime quality knot free pine which comes from certified forests in northern Sweden. It has been established that at the temperatures above 180C fats and waxes disappeared from the sapwood surface and caused no problem with adhesion 17.
Heat treating is necessary for wood packaging products used in shipping to stop the spread of insects and disease through international trade. The wood shown in this picture is a No 2 grade KD-HT Kiln-Dried Heat Treated S-P-F Spruce-Pine-Fir. Maturity of the technology.
Esteves and Pereira 2009. Heat treatment of wood BioResources 41 370-404. For example some countries apply restrictions regarding bark in wood while all other international shipping require wooden crates to be either fumigated or heat treated follow ISPM 15 certification.
The process involves heating the wood to a core temperature of 56 C 133 F for at least 30 minutes. This process eliminates the presence of pests found in wood crating products and therefore protects crops and forests in other parts of the world. Quality of heat treated wood All of our products are of the highest quality which is achieved by manufacturers combining know-how modern technology high-quality raw materials well-trained staff and systematic quality control.
Heat treated wood is wood that has been exposed to high temperatures. The debarking component of the regulation is to prevent the re-infestation of insects while lumber is sitting to be manufactured or even after it has been manufactured. As a principle the heat treatment process can be done on all wood species.
It is also known for lighting more easily than traditional wood and tends to burn very well. The purpose of heat treatment is to improve the usefulness of the material. Heat-treated wood is a good substrate for coatings as it is dry after production and free of resin which runs out during heating.