BASIC MAGNESIUM SULFATE POWDER, METHOD FOR PRODUCING BASIC MAGNESIUM SULFATE POWDER, RESIN COMPOSITION CONTAINING BASIC MAGNESIUM SULFATE POWDER, MASTER BATCH PELLET, AND FORMED BODY

摘要

This basic magnesium sulfate powder according to the present invention has a surface at least a portion of which is coated with an inorganic phosphorous compound. A phosphorous content is preferably 0.001-5.0 mass%.