A electroless plating susceptive fire retardant polyphenylene ether resin comprising a polyphenylene ether resin; a rubber modified resin comprising a grafted rubber phase comprising an elastomeric rubber having grafted thereto, in {TAIL ~ a specific grafting degree}, {HEAD ~ a graft component} composed of acrylonitrile units and vinyl aromatic compound units and a resin phase of a polymer or polymer mixture comprising acrylonitrile units and vinyl aromatic compound units; and optionally, a polystyrene resin in specific proportions; and also comprising red phosphorus and a phosphoric acid ester in specific amounts 
A electroless plating susceptive fire retardant polyphenylene ether resin comprising a polyphenylene ether resin ; a rubber modified resin comprising a grafted rubber phase comprising an elastomeric rubber having grafted thereto , in { TAIL ~ a specific grafting degree } , { HEAD ~ a graft component } composed of acrylonitrile units and vinyl aromatic compound units and a resin phase of a polymer or polymer mixture comprising acrylonitrile units and vinyl aromatic compound units ; and optionally , a polystyrene resin in specific proportions ; and also comprising red phosphorus and a phosphoric acid ester in specific amounts
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