Supplier: Coconut charcoal briquette, coconut charcoal briquette grade : diamond raw material : 100% coconut shell charcoal smell test : no smell smoke : no smoke chemical additif : no ( never used) ash colour : white ash content : max 2,5% volatil matter : max 12% moisture : max 5% fixed carbon : 75 85% total sulfur : max 0,03% gross calorific value : 7200 7400 kcal /kg visibility : good ( glowing and reduction of the size ) drop test : good ( strong ) cracking : no crack duration of burning : 2 2,5%