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A composition for microwave shielding material, which comprises: (a) a 65 to 90 weight percent of iron and cobalt mixed powder blending in rubber matrix, where this mixture is obtained from carbonyl iron powder and cobalt powder after mechanical processing, where the mixing ratio is from 6.5:3.5 to 9.5:0.5, where the diameter of the matrix is from 1 to 7.5 micrometers and where the surface area is from 0.1 to 1.0 square meters per gram; (b) 10 to 35 weight percent of rubber and vulcanization processing dose.
TW82102236A1993-03-251993-03-25Composition for microwave shielding material
TW229336B
(en)
Method for producing mixtures of thermoplastic synthetic materials and mineral or organic charge materials,apparatus for the implementation of the method and material produced thereby