Variations for Coffee Husk/Chaff Biomaterial


Coffee Husk/Chaff Biomaterial

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Step one

Mix the 15 grams of agar agar,  250 ml of water and 5 ml of glycerol

Step two

Heat this mixture and stir until the begins to bubble and it becomes a homogeneous thick paste

Step three

Next turn off the heat and add the coffee chaff/husks. Make sure to mix the ingredients well so that all of the husks are connected by the paste

Step four

Prepare your mould to be clean and dry, then spoon or pour the mixture into the mould. The drying time will depend on how well the mould is ventilated and how warm the environment is too (whether drying in an oven or air-drying).