| abstract |
The present invention relates to a fine powder obtained by pulverizing one or more of natural minerals such as kaolin, loess, mica, pozzolan, clay, and vermiculite as a raw material into 100 to 1,000 mesh, and natural pulp or natural fiber 1 to 5 g of a binder material, 1 to 5 g of an expanding material, 5 to 30 g of a flame retardant material, 0.1 to 5 g of a flour material, and 0.1 to 5 g of a flame retardant material per 100 g of natural pulp or natural fiber, 5 g of natural calcium carbonate, and 1.0 to 10.0 g of a calcium complex or zinc complex of at least one oil selected from the group consisting of tea tree oil, castor oil and flaxseed oil. Which is a natural building material containing natural minerals. |