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2372 polycarbonate pc diffuser products are offered for sale by suppliers on Alibaba.com, of which pc accounts for 16%, sun sheets & pc embossed sheets accounts for 12%. A wide variety of polycarbonate pc diffuser options are available to you, such as injection molding, car and extruded.You can also choose from transparent, white and clear polycarbonate pc diffuser,As well as from pc resin, polycarbonate resin polycarbonate pc diffuser,and whether polycarbonate pc diffuser is injection grade, or injection mould.