This is sawdust briquette, Made from dried and compressed sawdust. Environmental friendly as compared to coal , an alternative of coal. Industries burn briquettes instead of coal. A block of compressed sawdust that can be used as a fuel product. Its production involves adding a binding material to the dust then applying high pressure and high temperatures. From Wastes to Briquettes. Sawdust briquettes are a perfect general-use replacement for traditional firewood. They give off a lot of heat, are easy to light, and require minimal tending.We make briquettes in 2 sizes 60mm and 90mm