Briquetts are made of saw dust and/or wood chips. The raw material is dry and no additives (i.e. glue) are added. With use of high pressure these particles are pressed togehter. Pressure, heat and the natural ingredients of work together, so that a genuine natural wood fuel product stays at the end of the production. There are various sizes and forms available depending on the kind of the press line and matrix used.

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Softwood briquette type “RUF”


Type of timber:
Softwood, mainly Pine/Spruce/Fir

Depending on the source of raw material there might be a slight percentage of hardwood saw dust/chips be pressed together with the softwood saw dust/chips. These kind of briquette are called “Mixed wood briquette”, but they are sold under the headline “Softwood briquette”.

The shape of the briquette depends on the press matrix used.

The most common shape looks like a brick and ist gernerally called “RUF” briquette. The name “RUF” comes from the company Ruf, which produces press machines for this kind of briquette.

The shape of the briquette states nothing about the calorific value. The calorific value depends on the density of the briquette and the press pressure.

DIN 51731-Norm

Technical Data:
Size type „RUF“: 155 x 65 x 100 mm, respectively different sizes according to the press matrix.
Density: ca. 1,0 kg/dm³.

Calorific value:
ca. 5,0 kwh/kg

Moisture content:
below 12%

ca. 1,0 weight-%

10 kg bag, 96 bags per pallet (960 kg/pallet)
25 kg bag, 42 bags/pallet (1050 kg/pallet)


  • only certified timber used
  • no additives used (i.e. glue)
  • 100% pure nature
  • It is a renewable eco friendly product – and is in a broader sense co2 neutral.
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