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Fuel briquettes of "RUF" standard are obtained from 100% sawdust without artificial additives and without the addition of binders.
They are made by hydraulic pressing with a pressure of 300 atm.
They are distinguished by high density 950 - 1100 kg / m3, calorific value up to 4700 kcal / kg and ash content no more than 1%.
They look like a "brick" with the dimensions of the edges of 150 mm x 100 mm x 60 mm.
Packed in plastic wrap, 12 "RUF bricks" per pack.
The weight of one "RUF brick" is 840 - 900 g.