IIRC, its feldspar instead of quartz. If you worked around silica dust a lot, for sure I would be concerned. Playing in the sand box a few times a month isn’t going to hurt you. But what do I know?
IIRC, its feldspar instead of quartz. If you worked around silica dust a lot, for sure I would be concerned. Playing in the sand box a few times a month isn’t going to hurt you. But what do I know?