User blog comment:Katie Liv Phars/Decay: The Theoretical Breakdown of Shigaraki Tomura's Quirk/@comment-35975040-20180713094616

It didn't work on sand though. When Shigaraki ambushed the convoy that transported Overhaul, he was attacked by Sand Hero: Snatch. He couldn't touch each particle with all five fingers so he couldn't disintegrate any of the sand. Sand is still solid though.