Particle board is an isolation material with high chemical purity that is used in electric machines, condensers and, above all, in oil cooled transformers. The versions with thicknesses up to 3 mm are produced from the purest cellulose fibres on special cartoning machinery. In this process, a mixture of cellulose fibres and water without any binders is processed into a fibre mat, pressed, dried and finally smoothed out between the two drums of a calender and thereby highly compressed (calendered).
Particle board is really nothing more than an extremely compressed and stiff cardboard with a very smooth surface. In addition to its high dielectrical properties (non-conducting) and its ability to be impregnated with transformer oil, particle board is also short term resistant to high temperatures (e.g. at least a few seconds at 350 °C).
There are various types of particle board with very special attributes available. The standard quality – machined particle board - that we have on offer is, among other things, use to make stampings and shaped pieces as well as substrates for punches. In addition, particle board is used to make packaging and office products (e.g. CLIPBOARDS).
Particle board can be punched, stamped, grooved, cut and glued exactly like cardboard. Its relative hardness, however, limits the range of cutting work that can be done by hand with a cutter or shears. Thicknesses of 1.5 mm and above (further thicknesses available on inquiry) should be manually cut with a saw.