| 摘要 |
PURPOSE: Disclosed is a packing material of athletic facilities court using inorganic material to be suitable as court packing material for the outer layer of outdoor athletic facilities court like tennis court, basketball court, volleyball game court, badminton court, other playground etc., to have excellent drainage character, excellent hardness and good bound. CONSTITUTION: The packing material of athletic facilities court using inorganic material is characterized by forming ground, lower layer, middle layer, outer layer in order; composing surface layer of court by covering upper layer part by mixing soil(SiO2) of 93-96%, sodium chloride(NaCl) of 0.1-0.5% into the mixture which is mixed with calcium oxide(CaO), calcium chloride(CaCl2), gypsum(CaSO4), alumina(Al2O3) and light burn magnesia(MgO,nH2O) as inorganic material of 4-7% and 0.01-0.5mesh size.
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