physical bamboo charcoal powder 1,Fixed carbon: >75%. 2,Calorific value: 7000J. 3,Ash: <6%. 4,Moisture:10%. High quality bamboo charcoal powder for soil Specifications: Fixed carbon>75%Calorific value7000kcalAsh<6%Moisture<12%Granularity40-60 meshDelivery: 2-3 weeksUsage: charcoal bag, soil.Packing methods: 20kg/bag,or according to customer’s requirementPayment terms: T/T, Western Union, L/C