Basic magnesium sulfate powder, method for manufacturing basic magnesium sulfate powder, resin composition containing basic magnesium sulfate powder, masterbatch pellet, and molded body

摘要

A basic magnesium sulfate powder according to the present invention has a surface at least partially coated with an inorganic phosphorus compound. The basic magnesium sulfate powder preferably has a phosphorus content of from 0.001 to 5.0 mass %.