... /barrel 3.usage:firm,seal,gasket,club,panel,axletree,seal ring,loop,etc. 4.dongyue No.Item DF-16Grade AQualified1.Smoothnes ... film,the products of thin wall,seal,gasket,club,panel, tube,seal ring, tube,filling compounds, etc.14Packing,Storage,TransportationPTFE is packed in ...