- Other product label : Charcoal , Biomass Char, Biochar - Raw materials: Palm Kernel Shell (PKS}, or Empty Fruit Bunch (EFB) - Hazardous Components: Carbonized materials - Product use description: Solid Fuel, Activated Carbon Precursor, Soil Amendment/ Enhancer - Product Description: Colour: Black particles MC : < 10 (%WT) Sizes: