COMPOSITION FOR PLAYGROUND USING OLIVINE TO CONSTRUCT PLAYGROUND WITH PROPER HARDNESS AND IMPROVED PERMEABILITY

摘要

PURPOSE: A composition for playground using olivine is provided to smoothly absorb impact applied to human body during exercise and minimize damage to the playground.;CONSTITUTION: A composition for playground using olivine is formed by mixing olivine of different particle diameters. The particle diameters of olivine comprises 0~0.002mm 2~3 weight%, 0.002~0.05mm 4~5 weight%, 0.05~0.15mm 3.5~5.5 weight%, 0.15~0.25mm 4~5.5 weight%, 0.25~1mm 25~34 weight%, 1~2mm 14~17 weight%, 2~3.5mm 29~39 weight%, and 3.5~5.6mm 2~5 weight%.;COPYRIGHT KIPO 2012