... , absorb and decompose the formaldehyde Cocoanut Shell Charcoal Cocoanut active charcoal use high quality coconut shell as raw material, water vapor is ... , good adsorption ability, big intensity, stable chemical properties,durable in use. Widely used in metallurgy, chemical, oil, electricity power, food, drink water ... max5cmAsh contentmax3%moisturemax10%Specific heat-1.00J/g.°C Cocoanut Shell Charcoal