| 摘要 |
PROBLEM TO BE SOLVED: To provide an artificial lawn filler capable of being kept in a constantly uniform state without being solidified, and an artificial lawn structure comprising the same. ! SOLUTION: An artificial lawn filler includes first and second fillers with a particle diameter of 0.05-5 mm. A standard deviation σ of differences among 90%, 70%, 50%, 30% and 10% particle diameters of the first and second fillers is less than 0.14, and a difference between 80% particle diameters of the first and second fillers is less than 0.4 mm. ! COPYRIGHT: (C)2015,JPO&INPIT |
