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7584 heat sink metal products are offered for sale by suppliers on Alibaba.com, of which aluminum profiles accounts for 33%, heat sinks accounts for 5%, and fans & cooling accounts for 1%. A wide variety of heat sink metal options are available to you, such as project installation, auto cad layout and onsite metering.You can also choose from ip65, ip54 heat sink metal,as well as from silver heat sink metal and whether heat sink metal is aluminum alloy, stainless steel, or bronze.