| abstract |
The particle size distribution is sharp, the water absorption is low, and the silica particle which can be used suitably as a filler of the resin composition for sealing, its manufacturing method, and the resin composition which consists of this silica particle and resin are provided. Under 50 ° C-90% and 85 ° C-85% conditions, the absorbance at 500 hours is less than 1.0%, D90 / D10 is 3 or less, the specific gravity is 2.1 g / cm3 or more, and the average particle diameter is 10 µm. Silica particle which is the following. |