Basic magnesium sulfate powder, method for producing basic magnesium sulfate powder, resin composition containing basic magnesium sulfate powder, masterbatch pellet, and molded article

摘要

In the basic magnesium sulfate powder according to the present invention, at least a part of the surface is coated with an inorganic phosphorus compound. It is preferable that the phosphorus content is 0.001 to 5.0 mass%.