LITBK is accredited to testing of different characteristics of wood and non-woody pellet, wood and non-woody briquettes, wood chips, sawdust, biomass, firewood, hog fuels, and other biofuels.

LITBK performs testing on all characteristics - required and recommended, in accordance with the requirements of the current product standards and regulations.

LITBK performs testing of particle size of wood chips for wine.

LITBK is part of the international certification schemes ENplus® and GoodChips® for wood pellets and wood chips respectively. LITBK has been recognized by The European Pellet Council (EPC) and The Bioenergy Europe as a testing body in both certification processes.

The test results are presented in a Test Report.

If requested, test reports may include opinions and interpretations on how the results are used or recommendations for improving product results, as well as declaring conformity in accordance with the requirements of the applicable product standards and regulations.



Test method


Length and diameter

БДС EN ISO 17829:2015

Total moisture content

БДС EN ISO 18134-2:2017

Analytical moisture content

БДС EN ISO 18134-3:2015

Particle size distribution

БДС EN ISO 17827-1:2016

БДС EN ISO 17827-2:2016


БДС EN ISO 18846:2016

Bulk density

БДС EN ISO 17828:2015

Ash content

БДС EN ISO 18122:2015

Ash melting behavior

CEN/TS 15370-1:2006


Calorific value

БДС EN ISO 18125:2017

Mechanical durability of pellets

БДС EN ISO 17831-1:2015

Sulphur and chlorine content

БДС EN ISO 16994:2016

Carbon, hydrogen and nitrogen content

БДС EN ISO 16948:2015

Volatile matter content

БДС EN ISO 18123:2015

Major elements - Al, Ca, Fe, Mg, P, K, Si, Na, Ti

БДС EN ISO 16967:2015

Minor elements - As, Cd, Co, Cr, Cu, Hg, Mn, Mo, Ni, Pb, Sb, V, Zn

БДС EN ISO 16968:2015

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