Tips on choosing furniture

PDCH – short of a plate of wood Particulates. This relatively new wood material is patented in 1936 by Pfol. The first plant to produce mono-and trisloyni slabs of wood particles was established in 1941 in Bremen – Germany. It is produced in 10 tons of wood particle plates daily. Basic materials were dried smarchova wood and phenol resins. A year later the name was spelled “slabs of wood particles. Then starts and the application of formaldehyde resins as binders veshtestva.Grubite slabs of wood particles consist of a long fever, whose destination in the surface layer is parallel to the surface of the tablet and perpendicular to its core. Therefore, their strength of bending in the longitudinal direction is greater than in summer. After grinding and polishing they are used in furniture proizvodstvo.Nay often used slabs of wood particles are trisloynite. Their average layer of a coarse, and two more thin surface layers – more subtle and tightly pressed particles. In the recent past tables of wood particles have been shown in free formaldehyde levels harmful to human health. Today the tables are produced from wood particles from the so-called Class 1, which is considered safe. Tables of Class F 2 devote a greater amount of free formaldehyde and used only with additional surface coatings. The most dangerous are the tables of wood particles from Class 3, which are suspended from production in many countries.