Oilmec’s Conventional Top Cementing Plugs are available in Phenolic plastic core & Aluminum core with molded wiping fins from rubber.  Cores are manufactured from phenolic material and cast aluminum. Oilmec offers phenolic core up to 13 3/8” Size and Aluminum core from 16” to 20”. Above 20” Sizes available on customer requested. Oilmec’ Top Cementing Plugs are PDC Drillable.