... 5% 4.Calorific value: 8000J/kg strong production capacity charcoal supplier in kerala india Specification:Fixed carton content: 95%Ash content: <4 ... .3) Traditional kiln, long carbonized time, We get the charcoal from traditional kilns after 25 days carbonization.4) Good quality ... , My charcoal get No odor , No smoke, No spark. No medical ...