Whiteboard Chalk algem consists of natural and non-toxic raw materials of high quality and without chemical additives. The company algem is the first on the Russian market, who has poured the chalk. The company has patented the composition of chalk, and its square shape. Whiteboard Chalk algem applies to health as not harmful. His bond component is gypsum and purified in very small amounts of water. Algem is so far the only company in Russia has officially registered his trademark. In the production of chalk algem the chalk powder are thoroughly mixed with gypsum. The quality of the blackboard chalk algem depends on the quality of the chalk powder, which should contain no solid sand and gypsum particles in the powder. The resulting powder is diluted in a barrel with water by hand, thereafter, the mixture is poured into molds and left there for a while to dry. When evaporation of water, a chemical reaction occurs - the binding of the molecular structure of the chalk and gypsum. The pallet with chalk algem is pushed in the dryer cabinet, there is the chalk for a certain time and only the finished chalk algem comes in the packaging department for manual packaging.
