DIN plus wood pellets

The DIN plus wood pellets proposal and specification is as the following:

Diameter (mm) : 4< D <10

Length (mm): <5 x D

Raw density (kg/dm(3)) >1.12

Moisture (%): <10

Ash (%): <0.5

Net calorific value (MJ/kg): 18

Sculpture (%): <0.04

Nitrogen (%): <0.30

Chlorine (%): <0.02

Mechanical Durability (%): <2.3
Additives (%): <2

Fines: -

Arsenic (mg/kg): <0.87

Cadmium (mg/kg): <0.5

Chromium (mg/kg): <8

Copper (mg/kg): <5

Mercury (mg/kg): <0.05

Nickel (mg/kg): -

Lead (mg/kg): <10

Zinc (mg/kg): <100