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有读者来信询问什么是填料矿物?其利用前景如何?下面简要答复.填料矿物(又称矿物填料)是一种惰性物质.工业上采用矿物填料制成
A letter from the reader asks what filler minerals are and what is their use prospect? The following brief reply. The filler minerals (also known as mineral fillers) are an inert substance. Industrially made of mineral fillers