4 cm x 4 cm (dimension) Coconut-shell
Charcoal briquette
Viewed from top. The
Diameter is 4 cm. 
Coconut shell charcoal (powder) . 
Laboratory test
( Laboratory for Quality Testing of Export and Import Goods, 
Directorate for Quality Control, Ministry of Industry) for this charcoal is as follow: 
Ash content: 1. 67% -2. 11% , 
Water content: 4. 87% -8. 87% , 
Volatile matter: 20. 14% , 
Carbon: 75. 07% -77. 75% 
Charcoal (Coconut Shell Charcoal