RUF pine is made from pure, untreated wood by-product (sawdust) and is held together by compression alone, containing no additives or chemicals. Briquettes are renowned for their quality of production resulting in densely constructed briquettes so you have less mess. Long burning time and high heat output with less than 5% moisture content and 1% ash residue. High density and free from harmful glues so are a natural, carbon-neutral alternative to coal. 10kg packs, long burning time, and high heat output. Can be used as a substitute for kiln-dried logs.