DIN 51731

Gryfskand produce according to DIN 51731:

DIN 51731
Diameter mm 4 to 10
Length mm < 50
Density kg/dm3 1,0 < density < 1,4
Humidity % < 12
Ash % < 1.50
Energi value MJ/kg 17,5 < HW < 19,5
Sulpfur % < 0,08
Nitrogen % < 0,3
Chlorine % <0,03